From: Camm Maguire <camm@debian.org>
Date: Wed, 30 Sep 2026 00:26:05 +0000 (+0000)
Subject: [PATCH] <short summary of the patch>
X-Git-Tag: archive/raspbian/2.6.14-24+rpi1^2~1
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=0740cfaa3491194d47f1ff62c70767c0c8b13358;p=gcl.git

[PATCH] <short summary of the patch>

TODO: Put a short summary on the line above and replace this paragraph
with a longer explanation of this change. Complete the meta-information
with other relevant fields (see below for details). To make it easier, the
information below has been extracted from the changelog. Adjust it or drop
it.


Gbp-Pq: Name Version_2_6_15pre23
---

diff --git a/configure b/configure
index 224d2b05..0b3b8fd6 100755
--- a/configure
+++ b/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71.
+# Generated by GNU Autoconf 2.73.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2026 Free Software Foundation,
 # Inc.
 #
 #
@@ -15,21 +15,21 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
+  # contradicts POSIX and common usage.  Disable this.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -101,13 +101,13 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf '%s\n' "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
@@ -129,30 +129,33 @@ case $- in # ((((
   *x* ) as_opts=-x ;;
   * ) as_opts= ;;
 esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+case $# in # ((
+  0) exec $CONFIG_SHELL $as_opts "$as_myself" ;;
+  *) exec $CONFIG_SHELL $as_opts "$as_myself" "$@" ;;
+esac
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+# out after a failed 'exec'.
+printf '%s\n' "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
-  # is contrary to our usage.  Disable this feature.
+  # contradicts POSIX and common usage.  Disable this.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
-  case \`(set -o) 2>/dev/null\` in #(
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 "
@@ -170,8 +173,9 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else \$as_nop
-  exitcode=1; echo positional parameters were not saved.
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -185,14 +189,15 @@ test \$(( 1 + 1 )) = 2 || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else $as_nop
-  as_have_required=no
+else case e in #(
+  e) as_have_required=no ;;
+esac
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -225,12 +230,13 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else case e in #(
+  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
 	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
 then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi
+fi ;;
+esac
 fi
 
 
@@ -250,28 +256,32 @@ case $- in # ((((
   *x* ) as_opts=-x ;;
   * ) as_opts= ;;
 esac
-exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
+case $# in # ((
+  0) exec $CONFIG_SHELL $as_opts "$as_myself" ;;
+  *) exec $CONFIG_SHELL $as_opts "$as_myself" "$@" ;;
+esac
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed `exec'.
-printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
+# out after a failed 'exec'.
+printf '%s\n' "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
 
     if test x$as_have_required = xno
 then :
-  printf "%s\n" "$0: This script requires a shell more modern than all"
-  printf "%s\n" "$0: the shells that I found on your system."
+  printf '%s\n' "$0: This script requires a shell more modern than all"
+  printf '%s\n' "$0: the shells that I found on your system."
   if test ${ZSH_VERSION+y} ; then
-    printf "%s\n" "$0: In particular, zsh $ZSH_VERSION has bugs and should"
-    printf "%s\n" "$0: be upgraded to zsh 4.3.4 or later."
+    printf '%s\n' "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    printf '%s\n' "$0: be upgraded to zsh 4.3.4 or later."
   else
-    printf "%s\n" "$0: Please tell bug-autoconf@gnu.org about your system,
+    printf '%s\n' "$0: Please tell bug-autoconf@gnu.org about your system,
 $0: including any error possibly output before this
 $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi
+fi ;;
+esac
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -310,14 +320,6 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -332,7 +334,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf '%s\n' "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -341,7 +343,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+printf '%s\n' X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -386,11 +388,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -404,21 +407,14 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
-# as_fn_nop
-# ---------
-# Do nothing but, unlike ":", preserve the value of $?.
-as_fn_nop ()
-{
-  return $?
-}
-as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -430,9 +426,9 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  printf '%s\n' "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
@@ -459,7 +455,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+printf '%s\n' X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -492,6 +488,8 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -503,7 +501,7 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { printf "%s\n" "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
+    { printf '%s\n' "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
   # already done that, so ensure we don't try to do so again and fall
@@ -517,30 +515,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
   exit
 }
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
--n*)
-  case `echo 'xy\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
-  esac;;
-*)
-  ECHO_N='-n';;
-esac
-
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -552,9 +526,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -579,10 +553,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 test -n "$DJDIR" || exec 7<&0 </dev/null
@@ -597,6 +573,7 @@ ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 # Initializations.
 #
 ac_default_prefix=/usr/local
+ac_clean_CONFIG_STATUS=
 ac_clean_files=
 ac_config_libobj_dir=.
 LIBOBJS=
@@ -683,8 +660,6 @@ HAVE_SETENV
 NO_PROFILE
 RL_LIB
 RL_OBJS
-EGREP
-GREP
 CLSTANDARD
 SYSTEM
 FLISP
@@ -723,13 +698,13 @@ build_vendor
 build_cpu
 build
 VERSION
+ECHO_T
+ECHO_N
+ECHO_C
 target_alias
 host_alias
 build_alias
 LIBS
-ECHO_T
-ECHO_N
-ECHO_C
 DEFS
 mandir
 localedir
@@ -917,9 +892,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf '%s\n' "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -943,9 +918,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: \`$ac_useropt'"
+      as_fn_error $? "invalid feature name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf '%s\n' "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "enable_$ac_useropt"
@@ -1156,9 +1131,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf '%s\n' "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1172,9 +1147,9 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: \`$ac_useropt'"
+      as_fn_error $? "invalid package name: '$ac_useropt'"
     ac_useropt_orig=$ac_useropt
-    ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
+    ac_useropt=`printf '%s\n' "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
       *"
 "with_$ac_useropt"
@@ -1202,8 +1177,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: \`$ac_option'
-Try \`$0 --help' for more information"
+  -*) as_fn_error $? "unrecognized option: '$ac_option'
+Try '$0 --help' for more information"
     ;;
 
   *=*)
@@ -1211,16 +1186,16 @@ Try \`$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
   *)
     # FIXME: should be removed in autoconf 3.0.
-    printf "%s\n" "$as_me: WARNING: you should use --build, --host, --target" >&2
+    printf '%s\n' "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
-      printf "%s\n" "$as_me: WARNING: invalid host type: $ac_option" >&2
+      printf '%s\n' "$as_me: WARNING: invalid host type: $ac_option" >&2
     : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
@@ -1228,7 +1203,7 @@ Try \`$0 --help' for more information"
 done
 
 if test -n "$ac_prev"; then
-  ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+  ac_option=--`printf '%s\n' $ac_prev | sed 's/_/-/g'`
   as_fn_error $? "missing argument to $ac_option"
 fi
 
@@ -1236,7 +1211,7 @@ if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
     fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
-    *)     printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    *)     printf '%s\n' "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1261,7 +1236,7 @@ do
   as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
-# There might be people who depend on the old broken behavior: `$host'
+# There might be people who depend on the old broken behavior: '$host'
 # used to hold the argument of --host etc.
 # FIXME: To remove some day.
 build=$build_alias
@@ -1300,7 +1275,7 @@ $as_expr X"$as_myself" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_myself" : 'X\(//\)[^/]' \| \
 	 X"$as_myself" : 'X\(//\)$' \| \
 	 X"$as_myself" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_myself" |
+printf '%s\n' X"$as_myself" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -1329,7 +1304,7 @@ if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
   as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
-ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
+ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
 ac_abs_confdir=`(
 	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
@@ -1357,7 +1332,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures this package to adapt to many kinds of systems.
+'configure' configures this package to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1371,11 +1346,11 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking ...' messages
+  -q, --quiet, --silent   do not print 'checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
-  -C, --config-cache      alias for \`--cache-file=config.cache'
+  -C, --config-cache      alias for '--cache-file=config.cache'
   -n, --no-create         do not create output files
-      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
+      --srcdir=DIR        find the sources in DIR [configure dir or '..']
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -1383,10 +1358,10 @@ Installation directories:
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [PREFIX]
 
-By default, \`make install' will install all the files in
-\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
-an installation prefix other than \`$ac_default_prefix' using \`--prefix',
-for instance \`--prefix=\$HOME'.
+By default, 'make install' will install all the files in
+'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than '$ac_default_prefix' using '--prefix',
+for instance '--prefix=\$HOME'.
 
 For better control, use the options below.
 
@@ -1482,7 +1457,7 @@ Some influential environment variables:
   CPP         C preprocessor
   XMKMF       Path to xmkmf, Makefile generator for X Window System
 
-Use these variables to override the choices made by `configure' or to help
+Use these variables to override the choices made by 'configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to the package provider.
@@ -1501,9 +1476,9 @@ if test "$ac_init_help" = "recursive"; then
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf '%s\n' "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf '%s\n' "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -1540,7 +1515,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
       echo &&
       $SHELL "$ac_srcdir/configure" --help=recursive
     else
-      printf "%s\n" "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+      printf '%s\n' "$as_me: WARNING: no configuration information is in $ac_dir" >&2
     fi || ac_status=$?
     cd "$ac_pwd" || { ac_status=$?; break; }
   done
@@ -1550,9 +1525,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 configure
-generated by GNU Autoconf 2.71
+generated by GNU Autoconf 2.73
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2026 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1576,7 +1551,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1584,18 +1559,19 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1614,7 +1590,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1622,18 +1598,19 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } > conftest.i && {
 	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
 	 test ! -s conftest.err
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-    ac_retval=1
+    ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1653,29 +1630,30 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
   { { case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
-       printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf '%s\n' "$as_me: program exited with status $ac_status" >&5
+       printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_retval=$ac_status
+       ac_retval=$ac_status ;;
+esac
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
@@ -1690,13 +1668,13 @@ fi
 ac_fn_c_check_header_compile ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -1704,14 +1682,16 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf '%s\n' "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_header_compile
@@ -1723,13 +1703,13 @@ printf "%s\n" "$ac_res" >&6; }
 ac_fn_c_check_member ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $2.$3" >&5
 printf %s "checking for $2.$3... " >&6; }
 if eval test \${$4+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
@@ -1745,8 +1725,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$4=yes"
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
@@ -1762,16 +1742,19 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$4=yes"
-else $as_nop
-  eval "$4=no"
+else case e in #(
+  e) eval "$4=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$4
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf '%s\n' "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_member
@@ -1789,7 +1772,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -1797,7 +1780,7 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
     mv -f conftest.er1 conftest.err
   fi
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; } && {
 	 test -z "$ac_c_werror_flag" ||
 	 test ! -s conftest.err
@@ -1807,11 +1790,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1829,20 +1813,20 @@ fi
 ac_fn_c_check_func ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (); below.  */
+   which can conflict with char $2 (void); below.  */
 
 #include <limits.h>
 #undef $2
@@ -1853,7 +1837,7 @@ else $as_nop
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 ();
+char $2 (void);
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -1872,15 +1856,17 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf '%s\n' "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_func
@@ -1930,18 +1916,19 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_hi=$ac_mid; break
-else $as_nop
-  as_fn_arith $ac_mid + 1 && ac_lo=$as_val
+else case e in #(
+  e) as_fn_arith $ac_mid + 1 && ac_lo=$as_val
 			if test $ac_lo -le $ac_mid; then
 			  ac_lo= ac_hi=
 			  break
 			fi
-			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
+			as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 int
@@ -1976,20 +1963,23 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_lo=$ac_mid; break
-else $as_nop
-  as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
+else case e in #(
+  e) as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
 			if test $ac_mid -le $ac_hi; then
 			  ac_lo= ac_hi=
 			  break
 			fi
-			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
+			as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   done
-else $as_nop
-  ac_lo= ac_hi=
+else case e in #(
+  e) ac_lo= ac_hi= ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 # Binary search between lo and hi bounds.
@@ -2012,8 +2002,9 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_hi=$ac_mid
-else $as_nop
-  as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
+else case e in #(
+  e) as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 done
@@ -2061,8 +2052,9 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   echo >>conftest.val; read $3 <conftest.val; ac_retval=0
-else $as_nop
-  ac_retval=1
+else case e in #(
+  e) ac_retval=1 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
   conftest.$ac_objext conftest.beam conftest.$ac_ext
@@ -2081,13 +2073,13 @@ rm -f conftest.val
 ac_fn_c_check_type ()
 {
   as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
 printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
@@ -2117,16 +2109,18 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else $as_nop
-  eval "$3=yes"
+else case e in #(
+  e) eval "$3=yes" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
-	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-printf "%s\n" "$ac_res" >&6; }
+	       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+printf '%s\n' "$ac_res" >&6; }
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
 
 } # ac_fn_c_check_type
@@ -2135,7 +2129,7 @@ for ac_arg
 do
   case $ac_arg in
   *\'*)
-    ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    ac_arg=`printf '%s\n' "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
   esac
   as_fn_append ac_configure_args_raw " '$ac_arg'"
 done
@@ -2147,7 +2141,7 @@ case $ac_configure_args_raw in
     ac_unsafe_z='|&;<>()$`\\"*?[ ''	' # This string ends in space, tab.
     ac_unsafe_a="$ac_unsafe_z#~"
     ac_safe_unquote="s/ '\\([^$ac_unsafe_a][^$ac_unsafe_z]*\\)'/ \\1/g"
-    ac_configure_args_raw=`      printf "%s\n" "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
+    ac_configure_args_raw=`      printf '%s\n' "$ac_configure_args_raw" | sed "$ac_safe_unquote"`;;
 esac
 
 cat >config.log <<_ACEOF
@@ -2155,7 +2149,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by $as_me, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.73.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2195,7 +2189,7 @@ do
     */) ;;
     *) as_dir=$as_dir/ ;;
   esac
-    printf "%s\n" "PATH: $as_dir"
+    printf '%s\n' "PATH: $as_dir"
   done
 IFS=$as_save_IFS
 
@@ -2230,7 +2224,7 @@ do
     | -silent | --silent | --silen | --sile | --sil)
       continue ;;
     *\'*)
-      ac_arg=`printf "%s\n" "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+      ac_arg=`printf '%s\n' "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
     1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
@@ -2259,31 +2253,22 @@ done
 { ac_configure_args0=; unset ac_configure_args0;}
 { ac_configure_args1=; unset ac_configure_args1;}
 
-# When interrupted or exit'd, cleanup temporary files, and complete
-# config.log.  We remove comments because anyway the quotes in there
-# would cause problems or look ugly.
-# WARNING: Use '\'' to represent an apostrophe within the trap.
-# WARNING: Do not start the trap code with a newline, due to a FreeBSD 4.0 bug.
-trap 'exit_status=$?
-  # Sanitize IFS.
-  IFS=" ""	$as_nl"
-  # Save into config.log some information that might help in debugging.
-  {
-    echo
-
-    printf "%s\n" "## ---------------- ##
-## Cache variables. ##
-## ---------------- ##"
-    echo
-    # The following way of writing the cache mishandles newlines in values,
+# Dump the cache to stdout.  It can be in a pipe (this is a requirement).
+ac_cache_dump ()
+{
+  # The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, we kill variables containing newlines.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
 (
-  for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do
+  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
     eval ac_val=\$$ac_var
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
+      *_cv_*) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+printf '%s\n' "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
@@ -2292,67 +2277,95 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
       esac ;;
     esac
   done
+
   (set) 2>&1 |
-    case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #(
+    case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
+      # 'set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
-	"s/'\''/'\''\\\\'\'''\''/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p"
+	"s/'/'\\\\''/g;
+	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;; #(
     *)
+      # 'set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
     esac |
     sort
 )
-    echo
+}
 
-    printf "%s\n" "## ----------------- ##
+# Print debugging info to stdout.
+ac_dump_debugging_info ()
+{
+  echo
+
+  printf '%s\n' "## ---------------- ##
+## Cache variables. ##
+## ---------------- ##"
+  echo
+  ac_cache_dump
+  echo
+
+  printf '%s\n' "## ----------------- ##
 ## Output variables. ##
 ## ----------------- ##"
+  echo
+  for ac_var in $ac_subst_vars
+  do
+    eval ac_val=\$$ac_var
+    case $ac_val in
+    *\'*) ac_val=`printf '%s\n' "$ac_val" | sed "s/'/'\\\\\\\\''/g"`;;
+    esac
+    printf '%s\n' "$ac_var='$ac_val'"
+  done | sort
+  echo
+
+  if test -n "$ac_subst_files"; then
+    printf '%s\n' "## ------------------- ##
+## File substitutions. ##
+## ------------------- ##"
     echo
-    for ac_var in $ac_subst_vars
+    for ac_var in $ac_subst_files
     do
       eval ac_val=\$$ac_var
       case $ac_val in
-      *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
+      *\'*) ac_val=`printf '%s\n' "$ac_val" | sed "s/'/'\\\\\\\\''/g"`;;
       esac
-      printf "%s\n" "$ac_var='\''$ac_val'\''"
+      printf '%s\n' "$ac_var='$ac_val'"
     done | sort
     echo
+  fi
 
-    if test -n "$ac_subst_files"; then
-      printf "%s\n" "## ------------------- ##
-## File substitutions. ##
-## ------------------- ##"
-      echo
-      for ac_var in $ac_subst_files
-      do
-	eval ac_val=\$$ac_var
-	case $ac_val in
-	*\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;;
-	esac
-	printf "%s\n" "$ac_var='\''$ac_val'\''"
-      done | sort
-      echo
-    fi
-
-    if test -s confdefs.h; then
-      printf "%s\n" "## ----------- ##
+  if test -s confdefs.h; then
+    printf '%s\n' "## ----------- ##
 ## confdefs.h. ##
 ## ----------- ##"
-      echo
-      cat confdefs.h
-      echo
-    fi
-    test "$ac_signal" != 0 &&
-      printf "%s\n" "$as_me: caught signal $ac_signal"
-    printf "%s\n" "$as_me: exit $exit_status"
-  } >&5
-  rm -f core *.core core.conftest.* &&
+    echo
+    cat confdefs.h
+    echo
+  fi
+  test "$ac_signal" != 0 &&
+    printf '%s\n' "$as_me: caught signal $ac_signal"
+  printf '%s\n' "$as_me: exit $exit_status"
+}
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log.
+ac_exit_trap ()
+{
+  exit_status=
+  # Sanitize IFS.
+  IFS=" ""	$as_nl"
+  # Save into config.log some information that might help in debugging.
+  ac_dump_debugging_info >&5
+  eval "rm -f $ac_clean_CONFIG_STATUS core *.core core.conftest.*" &&
     rm -f -r conftest* confdefs* conf$$* $ac_clean_files &&
     exit $exit_status
-' 0
+}
+
+trap 'ac_exit_trap $?' 0
 for ac_signal in 1 2 13 15; do
   trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
@@ -2361,21 +2374,21 @@ ac_signal=0
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
-printf "%s\n" "/* confdefs.h */" > confdefs.h
+printf '%s\n' "/* confdefs.h */" > confdefs.h
 
 # Predefined preprocessor variables.
 
-printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h
 
-printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h
 
-printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h
 
-printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h
 
-printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h
 
-printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
+printf '%s\n' "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h
 
 
 # Let the site file select an alternate cache file if it wants to.
@@ -2397,14 +2410,14 @@ do
     ac_site_file=./$ac_site_file ;;
 esac
   if test -f "$ac_site_file" && test -r "$ac_site_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
-printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
+printf '%s\n' "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+      || { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2412,27 +2425,120 @@ if test -r "$cache_file"; then
   # Some versions of bash will fail to source /dev/null (special files
   # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
   if test /dev/null != "$cache_file" && test -f "$cache_file"; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
-printf "%s\n" "$as_me: loading cache $cache_file" >&6;}
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
+printf '%s\n' "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
       *)                      . "./$cache_file";;
     esac
   fi
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
-printf "%s\n" "$as_me: creating cache $cache_file" >&6;}
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
+printf '%s\n' "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
 
+# Test code for whether the C compiler supports C23 (global declarations)
+ac_c_conftest_c23_globals='
+/* Does the compiler advertise conformance to C17 or earlier?
+   Although GCC 14 does not do that, even with -std=gnu23,
+   it is close enough, and defines __STDC_VERSION == 202000L.  */
+#if !defined __STDC_VERSION__ || __STDC_VERSION__ <= 201710L
+# error "Compiler advertises conformance to C17 or earlier"
+#endif
+
+// Check alignas.
+char alignas (double) c23_aligned_as_double;
+char alignas (0) c23_no_special_alignment;
+extern char c23_aligned_as_int;
+char alignas (0) alignas (int) c23_aligned_as_int;
+
+// Check alignof.
+enum
+{
+  c23_int_alignment = alignof (int),
+  c23_int_array_alignment = alignof (int[100]),
+  c23_char_alignment = alignof (char)
+};
+static_assert (0 < -alignof (int), "alignof is signed");
+
+int function_with_unnamed_parameter (int) { return 0; }
+
+void c23_noreturn ();
+
+/* Test parsing of string and char UTF-8 literals (including hex escapes).
+   The parens pacify GCC 15.  */
+bool use_u8 = (!sizeof u8"\xFF") == (!u8'\''x'\'');
+
+bool check_that_bool_works = true | false | !nullptr;
+#if !true
+# error "true does not work in #if"
+#endif
+#if false
+#elifdef __STDC_VERSION__
+#else
+# error "#elifdef does not work"
+#endif
+
+#ifndef __has_c_attribute
+# error "__has_c_attribute not defined"
+#endif
+
+#ifndef __has_include
+# error "__has_include not defined"
+#endif
+
+#define LPAREN() (
+#define FORTY_TWO(x) 42
+#define VA_OPT_TEST(r, x, ...) __VA_OPT__ (FORTY_TWO r x))
+static_assert (VA_OPT_TEST (LPAREN (), 0, <:-) == 42);
+
+static_assert (0b101010 == 42);
+static_assert (0B101010 == 42);
+static_assert (0xDEAD'\''BEEF == 3'\''735'\''928'\''559);
+static_assert (0.500'\''000'\''000 == 0.5);
+
+enum unsignedish : unsigned int { uione = 1 };
+static_assert (0 < -uione);
+
+#include <stddef.h>
+constexpr nullptr_t null_pointer = nullptr;
+
+static typeof (1 + 1L) two () { return 2; }
+static long int three () { return 3; }
+'
+
+# Test code for whether the C compiler supports C23 (body of main).
+ac_c_conftest_c23_main='
+  {
+    label_before_declaration:
+      int arr[10] = {};
+      if (arr[0])
+        goto label_before_declaration;
+      if (!arr[0])
+        goto label_at_end_of_block;
+    label_at_end_of_block:
+  }
+  ok |= !null_pointer;
+  ok |= two != three;
+'
+
+# Test code for whether the C compiler supports C23 (complete).
+ac_c_conftest_c23_program="${ac_c_conftest_c23_globals}
+
+int
+main (int, char **)
+{
+  int ok = 0;
+  ${ac_c_conftest_c23_main}
+  return ok;
+}
+"
+
 # Test code for whether the C compiler supports C89 (global declarations)
 ac_c_conftest_c89_globals='
-/* Does the compiler advertise C89 conformance?
-   Do not test the value of __STDC__, because some compilers set it to 0
-   while being otherwise adequately conformant. */
-#if !defined __STDC__
-# error "Compiler does not advertise C89 conformance"
-#endif
+/* Do not test the value of __STDC__, because some compilers define it to 0
+   or do not define it, while otherwise adequately conforming.  */
 
 #include <stddef.h>
 #include <stdarg.h>
@@ -2440,9 +2546,7 @@ struct stat;
 /* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
 struct buf { int x; };
 struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (p, i)
-     char **p;
-     int i;
+static char *e (char **p, int i)
 {
   return p[i];
 }
@@ -2456,6 +2560,21 @@ static char *f (char * (*g) (char **, int), char **p, ...)
   return s;
 }
 
+/* C89 style stringification. */
+#define noexpand_stringify(a) #a
+const char *stringified = noexpand_stringify(arbitrary+token=sequence);
+
+/* C89 style token pasting.  Exercises some of the corner cases that
+   e.g. old MSVC gets wrong, but not very hard. */
+#define noexpand_concat(a,b) a##b
+#define expand_concat(a,b) noexpand_concat(a,b)
+extern int vA;
+extern int vbee;
+#define aye A
+#define bee B
+int *pvA = &expand_concat(v,aye);
+int *pvbee = &noexpand_concat(v,bee);
+
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not \xHH hex character constants.
    These do not provoke an error unfortunately, instead are silently treated
@@ -2483,20 +2602,24 @@ ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
 
 # Test code for whether the C compiler supports C99 (global declarations)
 ac_c_conftest_c99_globals='
-// Does the compiler advertise C99 conformance?
+/* Does the compiler advertise C99 conformance? */
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
 # error "Compiler does not advertise C99 conformance"
 #endif
 
+// See if C++-style comments work.
+
 #include <stdbool.h>
 extern int puts (const char *);
 extern int printf (const char *, ...);
 extern int dprintf (int, const char *, ...);
 extern void *malloc (size_t);
+extern void free (void *);
 
 // Check varargs macros.  These examples are taken from C99 6.10.3.5.
 // dprintf is used instead of fprintf to avoid needing to declare
-// FILE and stderr.
+// FILE and stderr, and "aND" is used instead of "and" to work around
+// GCC bug 40564 which is irrelevant here.
 #define debug(...) dprintf (2, __VA_ARGS__)
 #define showlist(...) puts (#__VA_ARGS__)
 #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
@@ -2507,7 +2630,7 @@ test_varargs_macros (void)
   int y = 5678;
   debug ("Flag");
   debug ("X = %d\n", x);
-  showlist (The first, second, and third items.);
+  showlist (The first, second, aND third items.);
   report (x>y, "x is %d but y is %d", x, y);
 }
 
@@ -2542,7 +2665,6 @@ typedef const char *ccp;
 static inline int
 test_restrict (ccp restrict text)
 {
-  // See if C++-style comments work.
   // Iterate through items via the restricted pointer.
   // Also check for declarations in for loops.
   for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
@@ -2596,18 +2718,20 @@ ac_c_conftest_c99_main='
   // Check restrict.
   if (test_restrict ("String literal") == 0)
     success = true;
-  char *restrict newvar = "Another string";
+  const char *restrict newvar = "Another string";
 
   // Check varargs.
   success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234);
   test_varargs_macros ();
 
   // Check flexible array members.
-  struct incomplete_array *ia =
-    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  static struct incomplete_array *volatile incomplete_array_pointer;
+  struct incomplete_array *ia = incomplete_array_pointer;
   ia->datasize = 10;
   for (int i = 0; i < ia->datasize; ++i)
     ia->data[i] = i * 1.234;
+  // Work around memory leak warnings.
+  free (ia);
 
   // Check named initializers.
   struct named_init ni = {
@@ -2618,18 +2742,17 @@ ac_c_conftest_c99_main='
 
   ni.number = 58;
 
-  int dynamic_array[ni.number];
-  dynamic_array[0] = argv[0][0];
-  dynamic_array[ni.number - 1] = 543;
+  // Do not test for VLAs, as some otherwise-conforming compilers lack them.
+  // C code should instead use __STDC_NO_VLA__; see Autoconf manual.
 
   // work around unused variable warnings
   ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\''
-	 || dynamic_array[ni.number - 1] != 543);
+	 || ni.number != 58);
 '
 
 # Test code for whether the C compiler supports C11 (global declarations)
 ac_c_conftest_c11_globals='
-// Does the compiler advertise C11 conformance?
+/* Does the compiler advertise C11 conformance? */
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
 # error "Compiler does not advertise C11 conformance"
 #endif
@@ -2756,7 +2879,7 @@ ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${
 # $ac_aux_dir_candidates and give up.
 ac_missing_aux_files=""
 ac_first_candidate=:
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
+printf '%s\n' "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in $ac_aux_dir_candidates
@@ -2769,7 +2892,7 @@ do
   esac
   as_found=:
 
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}:  trying $as_dir" >&5
   ac_aux_dir_found=yes
   ac_install_sh=
   for ac_aux in $ac_aux_files
@@ -2780,13 +2903,13 @@ do
     if test x"$ac_aux" = x"install-sh"
     then
       if test -f "${as_dir}install-sh"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
+        printf '%s\n' "$as_me:${as_lineno-$LINENO}:   ${as_dir}install-sh found" >&5
         ac_install_sh="${as_dir}install-sh -c"
       elif test -f "${as_dir}install.sh"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
+        printf '%s\n' "$as_me:${as_lineno-$LINENO}:   ${as_dir}install.sh found" >&5
         ac_install_sh="${as_dir}install.sh -c"
       elif test -f "${as_dir}shtool"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
+        printf '%s\n' "$as_me:${as_lineno-$LINENO}:   ${as_dir}shtool found" >&5
         ac_install_sh="${as_dir}shtool install -c"
       else
         ac_aux_dir_found=no
@@ -2798,7 +2921,7 @@ do
       fi
     else
       if test -f "${as_dir}${ac_aux}"; then
-        printf "%s\n" "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
+        printf '%s\n' "$as_me:${as_lineno-$LINENO}:   ${as_dir}${ac_aux} found" >&5
       else
         ac_aux_dir_found=no
         if $ac_first_candidate; then
@@ -2821,8 +2944,9 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
+esac
 fi
 
 
@@ -2850,38 +2974,44 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+      { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5
+printf '%s\n' "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+      { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5
+printf '%s\n' "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
       if test "x$ac_old_val" != "x$ac_new_val"; then
 	# differences in whitespace do not lead to failure.
-	ac_old_val_w=`echo x $ac_old_val`
-	ac_new_val_w=`echo x $ac_new_val`
+	ac_old_val_w=
+	for ac_val in x $ac_old_val; do
+	  ac_old_val_w="$ac_old_val_w $ac_val"
+	done
+	ac_new_val_w=
+	for ac_val in x $ac_new_val; do
+	  ac_new_val_w="$ac_new_val_w $ac_val"
+	done
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+	  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
+printf '%s\n' "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
+	  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5
+printf '%s\n' "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}:   former value:  '$ac_old_val'" >&5
+printf '%s\n' "$as_me:   former value:  '$ac_old_val'" >&2;}
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}:   current value: '$ac_new_val'" >&5
+printf '%s\n' "$as_me:   current value: '$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
   if test "$ac_new_set" = set; then
     case $ac_new_val in
-    *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_arg=$ac_var=`printf '%s\n' "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
     *) ac_arg=$ac_var=$ac_new_val ;;
     esac
     case " $ac_configure_args " in
@@ -2891,17 +3021,34 @@ printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
-printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
+printf '%s\n' "$as_me: error: changes in the environment can compromise the build" >&2;}
+  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
 	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
 ## Main body of script. ##
 ## -------------------- ##
 
+
+# Determine whether it's possible to make 'echo' print without a newline.
+# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
+# for compatibility with existing Makefiles.
+ECHO_C= ECHO_N= ECHO_T=
+case `echo -n x` in #(((((
+-n*)
+  case `echo 'xy\c'` in
+  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
+  esac;;
+*)
+  ECHO_N='-n';;
+esac
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -2929,23 +3076,24 @@ VERSION=`cat majvers`.`cat minvers`
 $SHELL "${ac_aux_dir}config.sub" sun4 >/dev/null 2>&1 ||
   as_fn_error $? "cannot run $SHELL ${ac_aux_dir}config.sub" "$LINENO" 5
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 printf %s "checking build system type... " >&6; }
 if test ${ac_cv_build+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_build_alias=$build_alias
+else case e in #(
+  e) ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
 test "x$ac_build_alias" = x &&
   as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
   as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
-
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
-printf "%s\n" "$ac_cv_build" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
+printf '%s\n' "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
@@ -2961,25 +3109,26 @@ shift; shift
 # except with old shells:
 build_os=$*
 IFS=$ac_save_IFS
-case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
+case $build_os in *\ *) build_os=`printf '%s\n' "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 printf %s "checking host system type... " >&6; }
 if test ${ac_cv_host+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$host_alias" = x; then
+else case e in #(
+  e) if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
 fi
-
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
-printf "%s\n" "$ac_cv_host" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
+printf '%s\n' "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
 *) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
@@ -2995,7 +3144,7 @@ shift; shift
 # except with old shells:
 host_os=$*
 IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
+case $host_os in *\ *) host_os=`printf '%s\n' "$host_os" | sed 's/ /-/g'`;; esac
 
 
 canonical=$host
@@ -3019,8 +3168,8 @@ _ACEOF
 
 fi
 ## host=CPU-COMPANY-SYSTEM
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: host=$host" >&5
-printf "%s\n" "host=$host" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: host=$host" >&5
+printf '%s\n' "host=$host" >&6; }
 
 use=unknown
 case $canonical in
@@ -3064,8 +3213,8 @@ then :
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: use=$use" >&5
-printf "%s\n" "use=$use" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: use=$use" >&5
+printf '%s\n' "use=$use" >&6; }
 
 def_dlopen="no"
 def_statsysbfd="no"
@@ -3093,7 +3242,7 @@ esac
 if test ${enable_widecons+y}
 then :
   enableval=$enable_widecons; if test "$enableval" = "yes" ; then
-printf "%s\n" "#define WIDE_CONS 1" >>confdefs.h
+printf '%s\n' "#define WIDE_CONS 1" >>confdefs.h
  fi
 fi
 
@@ -3103,13 +3252,13 @@ if test ${enable_safecdr+y}
 then :
   enableval=$enable_safecdr; if test "$enableval" = "yes" ; then
 
-printf "%s\n" "#define USE_SAFE_CDR 1" >>confdefs.h
+printf '%s\n' "#define USE_SAFE_CDR 1" >>confdefs.h
 
 		   # Check whether --enable-safecdrdbg was given.
 if test ${enable_safecdrdbg+y}
 then :
   enableval=$enable_safecdrdbg; if test "$enableval" = "yes" ; then
-printf "%s\n" "#define DEBUG_SAFE_CDR 1" >>confdefs.h
+printf '%s\n' "#define DEBUG_SAFE_CDR 1" >>confdefs.h
  fi
 fi
 
@@ -3129,7 +3278,7 @@ fi
 if test ${enable_vssize+y}
 then :
   enableval=$enable_vssize;
-printf "%s\n" "#define VSSIZE $enableval" >>confdefs.h
+printf '%s\n' "#define VSSIZE $enableval" >>confdefs.h
 
 fi
 
@@ -3137,7 +3286,7 @@ fi
 if test ${enable_bdssize+y}
 then :
   enableval=$enable_bdssize;
-printf "%s\n" "#define BDSSIZE $enableval" >>confdefs.h
+printf '%s\n' "#define BDSSIZE $enableval" >>confdefs.h
 
 fi
 
@@ -3145,7 +3294,7 @@ fi
 if test ${enable_ihssize+y}
 then :
   enableval=$enable_ihssize;
-printf "%s\n" "#define IHSSIZE $enableval" >>confdefs.h
+printf '%s\n' "#define IHSSIZE $enableval" >>confdefs.h
 
 fi
 
@@ -3153,7 +3302,7 @@ fi
 if test ${enable_frssize+y}
 then :
   enableval=$enable_frssize;
-printf "%s\n" "#define FRSSIZE $enableval" >>confdefs.h
+printf '%s\n' "#define FRSSIZE $enableval" >>confdefs.h
 
 fi
 
@@ -3162,8 +3311,9 @@ fi
 if test ${enable_infodir+y}
 then :
   enableval=$enable_infodir; INFO_DIR=$enableval
-else $as_nop
-  INFO_DIR=$prefix/share/info
+else case e in #(
+  e) INFO_DIR=$prefix/share/info ;;
+esac
 fi
 
 INFO_DIR=`eval echo $INFO_DIR/`
@@ -3172,8 +3322,9 @@ INFO_DIR=`eval echo $INFO_DIR/`
 if test ${enable_emacsdir+y}
 then :
   enableval=$enable_emacsdir; EMACS_SITE_LISP=$enableval
-else $as_nop
-  EMACS_SITE_LISP=$prefix/share/emacs/site-lisp
+else case e in #(
+  e) EMACS_SITE_LISP=$prefix/share/emacs/site-lisp ;;
+esac
 fi
 
 EMACS_SITE_LISP=`eval echo $EMACS_SITE_LISP/`
@@ -3182,8 +3333,9 @@ EMACS_SITE_LISP=`eval echo $EMACS_SITE_LISP/`
 if test ${enable_xgcl+y}
 then :
   enableval=$enable_xgcl;
-else $as_nop
-  enable_xgcl=yes
+else case e in #(
+  e) enable_xgcl=yes ;;
+esac
 fi
 
 
@@ -3191,32 +3343,36 @@ fi
 if test ${enable_dlopen+y}
 then :
   enableval=$enable_dlopen;
-else $as_nop
-  enable_dlopen=$def_dlopen
+else case e in #(
+  e) enable_dlopen=$def_dlopen ;;
+esac
 fi
 
 # Check whether --enable-statsysbfd was given.
 if test ${enable_statsysbfd+y}
 then :
   enableval=$enable_statsysbfd;
-else $as_nop
-  enable_statsysbfd=$def_statsysbfd
+else case e in #(
+  e) enable_statsysbfd=$def_statsysbfd ;;
+esac
 fi
 
 # Check whether --enable-dynsysbfd was given.
 if test ${enable_dynsysbfd+y}
 then :
   enableval=$enable_dynsysbfd;
-else $as_nop
-  enable_dynsysbfd=no
+else case e in #(
+  e) enable_dynsysbfd=no ;;
+esac
 fi
 
 # Check whether --enable-custreloc was given.
 if test ${enable_custreloc+y}
 then :
   enableval=$enable_custreloc;
-else $as_nop
-  enable_custreloc=$def_custreloc
+else case e in #(
+  e) enable_custreloc=$def_custreloc ;;
+esac
 fi
 
 
@@ -3224,24 +3380,27 @@ fi
 if test ${enable_debug+y}
 then :
   enableval=$enable_debug;
-else $as_nop
-  enable_debug=$def_debug
+else case e in #(
+  e) enable_debug=$def_debug ;;
+esac
 fi
 
 # Check whether --enable-static was given.
 if test ${enable_static+y}
 then :
   enableval=$enable_static;
-else $as_nop
-  enable_static=$def_static
+else case e in #(
+  e) enable_static=$def_static ;;
+esac
 fi
 
 # Check whether --enable-pic was given.
 if test ${enable_pic+y}
 then :
   enableval=$enable_pic;
-else $as_nop
-  enable_pic=$def_pic
+else case e in #(
+  e) enable_pic=$def_pic ;;
+esac
 fi
 
 
@@ -3300,6 +3459,9 @@ fi
 
 
 
+
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -3308,13 +3470,13 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3329,22 +3491,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf '%s\n' "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3353,13 +3516,13 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3374,22 +3537,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="gcc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf '%s\n' "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -3397,8 +3561,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3411,13 +3575,13 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3432,22 +3596,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf '%s\n' "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3456,13 +3621,13 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -3482,7 +3647,7 @@ do
        continue
      fi
     ac_cv_prog_CC="cc"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -3501,15 +3666,16 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf '%s\n' "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3520,13 +3686,13 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3541,22 +3707,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf '%s\n' "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3569,13 +3736,13 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3590,22 +3757,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf '%s\n' "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3617,8 +3785,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3630,13 +3798,13 @@ if test -z "$CC"; then
   if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}clang", so it can be a program name with args.
 set dummy ${ac_tool_prefix}clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3651,22 +3819,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_CC="${ac_tool_prefix}clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
-printf "%s\n" "$CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
+printf '%s\n' "$CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -3675,13 +3844,13 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "clang", so it can be a program name with args.
 set dummy clang; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3696,22 +3865,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_ac_ct_CC="clang"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
-printf "%s\n" "$ac_ct_CC" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
+printf '%s\n' "$ac_ct_CC" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
   if test "x$ac_ct_CC" = x; then
@@ -3719,8 +3889,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-printf "%s\n" "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+printf '%s\n' "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -3732,13 +3902,13 @@ fi
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+test -z "$CC" && { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
+printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
 for ac_option in --version -v -V -qversion -version; do
@@ -3748,7 +3918,7 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
   if test -s conftest.err; then
@@ -3758,7 +3928,7 @@ printf "%s\n" "$ac_try_echo"; } >&5
     cat conftest.er1 >&5
   fi
   rm -f conftest.er1 conftest.err
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 done
 
@@ -3778,9 +3948,9 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
 printf %s "checking whether the C compiler works... " >&6; }
-ac_link_default=`printf "%s\n" "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+ac_link_default=`printf '%s\n' "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
 ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*"
@@ -3801,14 +3971,14 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
-# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
+# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -3828,7 +3998,7 @@ do
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
 	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an `-o'
+	# safe: cross compilers may not add the suffix if given an '-o'
 	# argument, so we may need to know it at that point already.
 	# Even if this section looks crufty: it has the advantage of
 	# actually working.
@@ -3839,33 +4009,35 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
-  ac_file=''
+else case e in #(
+  e) ac_file='' ;;
+esac
 fi
 if test -z "$ac_file"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-printf "%s\n" "$as_me: failed program was:" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; } ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
 printf %s "checking for C compiler default output file name... " >&6; }
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
-printf "%s\n" "$ac_file" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+printf '%s\n' "$ac_file" >&6; }
 ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
 printf %s "checking for suffix of executables... " >&6; }
 if { { ac_try="$ac_link"
 case "(($ac_try" in
@@ -3873,16 +4045,16 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # If both `conftest.exe' and `conftest' are `present' (well, observable)
-# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
-# work properly (i.e., refer to `conftest.exe'), while it won't with
-# `rm'.
+  # If both 'conftest.exe' and 'conftest' are 'present' (well, observable)
+# catch 'conftest.exe'.  For instance with Cygwin, 'ls conftest' will
+# work properly (i.e., refer to 'conftest.exe'), while it won't with
+# 'rm'.
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
@@ -3892,15 +4064,16 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 rm -f conftest conftest$ac_cv_exeext
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
-printf "%s\n" "$ac_cv_exeext" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
+printf '%s\n' "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
@@ -3912,6 +4085,8 @@ int
 main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
+ if (!f)
+  return 1;
  return ferror (f) || fclose (f) != 0;
 
   ;
@@ -3921,7 +4096,7 @@ _ACEOF
 ac_clean_files="$ac_clean_files conftest.out"
 # Check that the compiler produces executables we can run.  If not, either
 # the compiler is broken, or we cross compile.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
 printf %s "checking whether we are cross compiling... " >&6; }
 if test "$cross_compiling" != yes; then
   { { ac_try="$ac_link"
@@ -3930,10 +4105,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
   if { ac_try='./conftest$ac_cv_exeext'
   { { case "(($ac_try" in
@@ -3941,36 +4116,37 @@ printf "%s\n" "$ac_try_echo"; } >&5
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_try") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; }; then
     cross_compiling=no
   else
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+	{ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error 77 "cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details" "$LINENO" 5; }
+If you meant to cross compile, use '--host'.
+See 'config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
-printf "%s\n" "$cross_compiling" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+printf '%s\n' "$cross_compiling" >&6; }
 
-rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+rm -f conftest.$ac_ext conftest$ac_cv_exeext \
+  conftest.o conftest.obj conftest.out
 ac_clean_files=$ac_clean_files_save
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 printf %s "checking for suffix of object files... " >&6; }
 if test ${ac_cv_objext+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3988,10 +4164,10 @@ case "(($ac_try" in
   *) ac_try_echo=$ac_try;;
 esac
 eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
-printf "%s\n" "$ac_try_echo"; } >&5
+printf '%s\n' "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  printf '%s\n' "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
   for ac_file in conftest.o conftest.obj conftest.*; do
@@ -4002,28 +4178,30 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf '%s\n' "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+{ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
-printf "%s\n" "$ac_cv_objext" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
+printf '%s\n' "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports GNU C" >&5
 printf %s "checking whether the compiler supports GNU C... " >&6; }
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4040,15 +4218,17 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
-printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
+printf '%s\n' "$ac_cv_c_compiler_gnu" >&6; }
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 if test $ac_compiler_gnu = yes; then
@@ -4058,13 +4238,13 @@ else
 fi
 ac_test_CFLAGS=${CFLAGS+y}
 ac_save_CFLAGS=$CFLAGS
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 printf %s "checking whether $CC accepts -g... " >&6; }
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_c_werror_flag=$ac_c_werror_flag
+else case e in #(
+  e) ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -4082,8 +4262,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else $as_nop
-  CFLAGS=""
+else case e in #(
+  e) CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4098,8 +4278,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_c_werror_flag=$ac_save_c_werror_flag
+else case e in #(
+  e) ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4116,15 +4296,18 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+   ac_c_werror_flag=$ac_save_c_werror_flag ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
-printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
+printf '%s\n' "$ac_cv_prog_cc_g" >&6; }
 if test $ac_test_CFLAGS; then
   CFLAGS=$ac_save_CFLAGS
 elif test $ac_cv_prog_cc_g = yes; then
@@ -4143,59 +4326,111 @@ fi
 ac_prog_cc_stdc=no
 if test x$ac_prog_cc_stdc = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
-printf %s "checking for $CC option to enable C11 features... " >&6; }
-if test ${ac_cv_prog_cc_c11+y}
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C23 features" >&5
+printf %s "checking for $CC option to enable C23 features... " >&6; }
+if test ${ac_cv_prog_cc_c23+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c11=no
+else case e in #(
+  e) ac_cv_prog_cc_c23=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-$ac_c_conftest_c11_program
+$ac_c_conftest_c23_program
 _ACEOF
-for ac_arg in '' -std=gnu11
+for ac_arg in '' -std=gnu23
 do
   CC="$ac_save_CC $ac_arg"
   if ac_fn_c_try_compile "$LINENO"
 then :
-  ac_cv_prog_cc_c11=$ac_arg
+  ac_cv_prog_cc_c23=$ac_arg
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam
-  test "x$ac_cv_prog_cc_c11" != "xno" && break
+  test "x$ac_cv_prog_cc_c23" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
-if test "x$ac_cv_prog_cc_c11" = xno
+if test "x$ac_cv_prog_cc_c23" = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c11" = x
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf '%s\n' "unsupported" >&6; }
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c23" = x
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
-printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf '%s\n' "none needed" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c23" >&5
+printf '%s\n' "$ac_cv_prog_cc_c23" >&6; }
+     CC="$CC $ac_cv_prog_cc_c23" ;;
+esac
 fi
-  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c23
+  ac_prog_cc_stdc=c23 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
-printf %s "checking for $CC option to enable C99 features... " >&6; }
-if test ${ac_cv_prog_cc_c99+y}
-then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C11 features" >&5
+printf %s "checking for $CC option to enable C11 features... " >&6; }
+if test ${ac_cv_prog_cc_c11+y}
+then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c99=no
+else case e in #(
+  e) ac_cv_prog_cc_c11=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_c_conftest_c11_program
+_ACEOF
+for ac_arg in '' -std=gnu11 -std:c11
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"
+then :
+  ac_cv_prog_cc_c11=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam
+  test "x$ac_cv_prog_cc_c11" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC ;;
+esac
+fi
+
+if test "x$ac_cv_prog_cc_c11" = xno
+then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf '%s\n' "unsupported" >&6; }
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c11" = x
+then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf '%s\n' "none needed" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+printf '%s\n' "$ac_cv_prog_cc_c11" >&6; }
+     CC="$CC $ac_cv_prog_cc_c11" ;;
+esac
+fi
+  ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
+  ac_prog_cc_stdc=c11 ;;
+esac
+fi
+fi
+if test x$ac_prog_cc_stdc = xno
+then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C99 features" >&5
+printf %s "checking for $CC option to enable C99 features... " >&6; }
+if test ${ac_cv_prog_cc_c99+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4212,36 +4447,39 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c99" = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c99" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
-printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf '%s\n' "unsupported" >&6; }
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c99" = x
+then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf '%s\n' "none needed" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+printf '%s\n' "$ac_cv_prog_cc_c99" >&6; }
+     CC="$CC $ac_cv_prog_cc_c99" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
+  ac_prog_cc_stdc=c99 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $CC option to enable C89 features" >&5
 printf %s "checking for $CC option to enable C89 features... " >&6; }
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c89=no
+else case e in #(
+  e) ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4258,25 +4496,28 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
-printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
-then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
-printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
-printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+printf '%s\n' "unsupported" >&6; }
+else case e in #(
+  e) if test "x$ac_cv_prog_cc_c89" = x
+then :
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+printf '%s\n' "none needed" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+printf '%s\n' "$ac_cv_prog_cc_c89" >&6; }
+     CC="$CC $ac_cv_prog_cc_c89" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
+  ac_prog_cc_stdc=c89 ;;
+esac
 fi
 fi
 
@@ -4291,7 +4532,7 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
 printf %s "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
@@ -4301,8 +4542,8 @@ if test -z "$CPP"; then
   if test ${ac_cv_prog_CPP+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-      # Double quotes because $CC needs to be expanded
+else case e in #(
+  e)     # Double quotes because $CC needs to be expanded
     for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
     do
       ac_preproc_ok=false
@@ -4320,9 +4561,10 @@ _ACEOF
 if ac_fn_c_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -4336,15 +4578,16 @@ if ac_fn_c_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
@@ -4353,14 +4596,15 @@ fi
 
     done
     ac_cv_prog_CPP=$CPP
-
+   ;;
+esac
 fi
   CPP=$ac_cv_prog_CPP
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
-printf "%s\n" "$CPP" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf '%s\n' "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
 do
@@ -4376,9 +4620,10 @@ _ACEOF
 if ac_fn_c_try_cpp "$LINENO"
 then :
 
-else $as_nop
-  # Broken: fails on valid input.
-continue
+else case e in #(
+  e) # Broken: fails on valid input.
+continue ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
@@ -4392,24 +4637,26 @@ if ac_fn_c_try_cpp "$LINENO"
 then :
   # Broken: success on invalid input.
 continue
-else $as_nop
-  # Passes both tests.
+else case e in #(
+  e) # Passes both tests.
 ac_preproc_ok=:
-break
+break ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
-# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+# Because of 'break', _AC_PREPROC_IFELSE's cleaning code was skipped.
 rm -f conftest.i conftest.err conftest.$ac_ext
 if $ac_preproc_ok
 then :
 
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 
 ac_ext=c
@@ -4422,17 +4669,17 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 add_arg_to_cflags() {
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CFLAG $1" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for CFLAG $1" >&5
 printf %s "checking for CFLAG $1... " >&6; }
     CFLAGS_ORI=$CFLAGS
     CFLAGS="$CFLAGS -Werror $1 `echo $1|sed 's,-Wno-,-W,1'`"
 
 if test "$cross_compiling" = yes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4445,14 +4692,16 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  CFLAGS="$CFLAGS_ORI $1";{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; };return 0
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  CFLAGS="$CFLAGS_ORI $1";{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; };return 0
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
     CFLAGS=$CFLAGS_ORI
@@ -4461,8 +4710,8 @@ fi
 }
 
 assert_arg_to_cflags() {
-    if ! add_arg_to_cflags "$1" ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: cannot add $1 to CFLAGS" >&5
-printf "%s\n" "cannot add $1 to CFLAGS" >&6; }; exit 1 ; fi
+    if ! add_arg_to_cflags "$1" ; then { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: cannot add $1 to CFLAGS" >&5
+printf '%s\n' "cannot add $1 to CFLAGS" >&6; }; exit 1 ; fi
     return 0
 }
 
@@ -4476,16 +4725,16 @@ add_args_to_cflags() {
 
 add_arg_to_ldflags() {
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LDFLAG $1" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for LDFLAG $1" >&5
 printf %s "checking for LDFLAG $1... " >&6; }
     LDFLAGS_ORI=$LDFLAGS
     LDFLAGS="$LDFLAGS -Werror $1"
     if test "$cross_compiling" = yes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4498,14 +4747,16 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  LDFLAGS="$LDFLAGS_ORI $1";{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; };return 0
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  LDFLAGS="$LDFLAGS_ORI $1";{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; };return 0
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
     LDFLAGS=$LDFLAGS_ORI
@@ -4514,8 +4765,8 @@ fi
 }
 
 assert_arg_to_ldflags() {
-    if ! add_arg_to_ldflags $1 ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: cannot add $1 to LDFLAGS" >&5
-printf "%s\n" "cannot add $1 to LDFLAGS" >&6; }; exit 1 ; fi
+    if ! add_arg_to_ldflags $1 ; then { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: cannot add $1 to LDFLAGS" >&5
+printf '%s\n' "cannot add $1 to LDFLAGS" >&6; }; exit 1 ; fi
     return 0
 }
 
@@ -4534,8 +4785,8 @@ remove_arg_from_ldflags() {
 	if ! test "$i" = "$1" ; then
       	    NEW_LDFLAGS="$NEW_LDFLAGS $i"
 	else
-            { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: removing $1 from LDFLAGS" >&5
-printf "%s\n" "removing $1 from LDFLAGS" >&6; }
+            { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: removing $1 from LDFLAGS" >&5
+printf '%s\n' "removing $1 from LDFLAGS" >&6; }
 	fi
     done
     LDFLAGS=$NEW_LDFLAGS
@@ -4554,7 +4805,7 @@ add_args_to_cflags  -fsigned-char -pipe -fcommon \
 
 add_args_to_ldflags -no-pie # -Wl,-z,lazy
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline semantics" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for inline semantics" >&5
 printf %s "checking for inline semantics... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4568,8 +4819,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   if `nm conftest.o |grep foo |awk '{if (NF==3) exit(-1)}'` ; then
-    	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: new" >&5
-printf "%s\n" "new" >&6; }
+    	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: new" >&5
+printf '%s\n' "new" >&6; }
      else
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4583,34 +4834,36 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   if `nm conftest.o |grep foo |awk '{if (NF==3) exit(-1)}'` ; then
-	    	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: old" >&5
-printf "%s\n" "old" >&6; }
+	    	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: old" >&5
+printf '%s\n' "old" >&6; }
 
-printf "%s\n" "#define OLD_INLINE 1" >>confdefs.h
+printf '%s\n' "#define OLD_INLINE 1" >>confdefs.h
 
 	     else
 	       	as_fn_error $? "need working inline semantics" "$LINENO" 5
 	     fi
-else $as_nop
-  as_fn_error $? "need to probe inline semantics" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "need to probe inline semantics" "$LINENO" 5 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
      fi
-else $as_nop
-  as_fn_error $? "need to probe inline semantics" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "need to probe inline semantics" "$LINENO" 5 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for clang" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for clang" >&5
 printf %s "checking for clang... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 			 #ifdef __clang__
@@ -4631,19 +4884,21 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
      clang="yes"
      remove_arg_from_ldflags -pie
 
-printf "%s\n" "#define CLANG 1" >>confdefs.h
+printf '%s\n' "#define CLANG 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -4689,7 +4944,7 @@ if test "$enable_static" = "yes" ; then
     assert_arg_to_ldflags -static
     assert_arg_to_ldflags -Wl,-zmuldefs
 
-printf "%s\n" "#define STATIC_LINKING 1" >>confdefs.h
+printf '%s\n' "#define STATIC_LINKING 1" >>confdefs.h
 
 fi
 
@@ -4709,13 +4964,13 @@ for ac_prog in gawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AWK+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$AWK"; then
+else case e in #(
+  e) if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4730,22 +4985,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_AWK="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-printf "%s\n" "$AWK" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
+printf '%s\n' "$AWK" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -4763,7 +5019,7 @@ fi
 if test ${enable_gprof+y}
 then :
   enableval=$enable_gprof; if test "$enableval" = "yes" ; then
-		   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking working gprof" >&5
+		   { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking working gprof" >&5
 printf %s "checking working gprof... " >&6; }
 		   case $use in
 		       powerpc*) if test "$host_cpu" = "powerpc64le" ; then enableval="no"; fi;;
@@ -4778,18 +5034,25 @@ printf %s "checking working gprof... " >&6; }
 		   esac
                    GP_FLAG=""
                    if test "$enableval" != "yes" ; then
-		       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: disabled" >&5
-printf "%s\n" "disabled" >&6; }
+		       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: disabled" >&5
+printf '%s\n' "disabled" >&6; }
 		   else
-		       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ok" >&5
-printf "%s\n" "ok" >&6; }
+		       { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: ok" >&5
+printf '%s\n' "ok" >&6; }
 		       OLD_CFLAGS=$CFLAGS  # Do not run configure tests with -pg
-                       assert_arg_to_cflags -pg
-                       GP_FLAG="-pg"
+		       case $use in
+		       	    386*)
+				assert_arg_to_cflags -fno-shrink-wrap
+				assert_arg_to_cflags -pg
+  	                        GP_FLAG="-fno-shrink-wrap -pg";;
+                            *)
+				assert_arg_to_cflags -pg
+  	                        GP_FLAG="-pg";;
+		       esac
                        CFLAGS=$OLD_CFLAGS
        		       TFPFLAG=""
 
-printf "%s\n" "#define GCL_GPROF 1" >>confdefs.h
+printf '%s\n' "#define GCL_GPROF 1" >>confdefs.h
 
 		   fi
 	       fi
@@ -4834,12 +5097,12 @@ case $use in
 		;;
 	    arm*)
 
-printf "%s\n" "#define SET_STACK_POINTER \"mov %%sp,%0\\n\\t\"" >>confdefs.h
+printf '%s\n' "#define SET_STACK_POINTER \"mov %%sp,%0\\n\\t\"" >>confdefs.h
 
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to set stack pointer" >&5
+		{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking how to set stack pointer" >&5
 printf %s "checking how to set stack pointer... " >&6; }
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
-printf "%s\n" "done" >&6; }
+		{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: done" >&5
+printf '%s\n' "done" >&6; }
 		assert_arg_to_cflags -fdollars-in-identifiers
 		assert_arg_to_cflags -g #?
 		;;
@@ -4901,13 +5164,13 @@ for ac_prog in makeinfo
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MAKEINFO+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MAKEINFO"; then
+else case e in #(
+  e) if test -n "$MAKEINFO"; then
   ac_cv_prog_MAKEINFO="$MAKEINFO" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4922,22 +5185,23 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_MAKEINFO="$ac_prog"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MAKEINFO=$ac_cv_prog_MAKEINFO
 if test -n "$MAKEINFO"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5
-printf "%s\n" "$MAKEINFO" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5
+printf '%s\n' "$MAKEINFO" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -4947,7 +5211,7 @@ test -n "$MAKEINFO" || MAKEINFO=""false""
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking system version (for dynamic loading)" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking system version (for dynamic loading)" >&5
 printf %s "checking system version (for dynamic loading)... " >&6; }
 if machine=`uname -m` ; then true; else machine=unknown ; fi
 
@@ -4956,8 +5220,8 @@ if test -f /usr/lib/NextStep/software_version; then
 else
     system=`uname -s`-`uname -r`
     if test "$?" -ne 0 ; then
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unknown (cannot find uname command)" >&5
-printf "%s\n" "unknown (cannot find uname command)" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: unknown (cannot find uname command)" >&5
+printf '%s\n' "unknown (cannot find uname command)" >&6; }
 	system=unknown
     else
 	# Special check for weird MP-RAS system (uname returns weird
@@ -4969,8 +5233,8 @@ printf "%s\n" "unknown (cannot find uname command)" >&6; }
 	if test "`uname -s`" = "AIX" ; then
 	    system=AIX-`uname -v`.`uname -r`
 	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $system" >&5
-printf "%s\n" "$system" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $system" >&5
+printf '%s\n' "$system" >&6; }
     fi
 fi
 
@@ -4982,7 +5246,7 @@ do
   if test $ac_cache; then
     ac_fn_c_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default"
     if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then
-      printf "%s\n" "#define $ac_item 1" >> confdefs.h
+      printf '%s\n' "#define $ac_item 1" >> confdefs.h
     fi
     ac_header= ac_cache=
   elif test $ac_header; then
@@ -5002,7 +5266,7 @@ done
 if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes
 then :
 
-printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
+printf '%s\n' "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
        for ac_header in malloc/malloc.h
@@ -5010,10 +5274,11 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "malloc/malloc.h" "ac_cv_header_malloc_malloc_h" "$ac_includes_default"
 if test "x$ac_cv_header_malloc_malloc_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_MALLOC_MALLOC_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_MALLOC_MALLOC_H 1" >>confdefs.h
 
-else $as_nop
-  as_fn_error $? "need malloc.h on macosx" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "need malloc.h on macosx" "$LINENO" 5 ;;
+esac
 fi
 
 done
@@ -5024,7 +5289,7 @@ done
 if test "x$ac_cv_member_struct__malloc_zone_t_memalign" = xyes
 then :
 
-printf "%s\n" "#define HAVE_MALLOC_ZONE_MEMALIGN 1" >>confdefs.h
+printf '%s\n' "#define HAVE_MALLOC_ZONE_MEMALIGN 1" >>confdefs.h
 
 fi
 
@@ -5037,17 +5302,17 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "setjmp.h" "ac_cv_header_setjmp_h" "$ac_includes_default"
 if test "x$ac_cv_header_setjmp_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_SETJMP_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sizeof jmp_buf" >&5
+  printf '%s\n' "#define HAVE_SETJMP_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking sizeof jmp_buf" >&5
 printf %s "checking sizeof jmp_buf... " >&6; }
      if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		     #include <stdio.h>
@@ -5068,17 +5333,19 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   sizeof_jmp_buf=`cat conftest1`
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $sizeof_jmp_buf" >&5
-printf "%s\n" "$sizeof_jmp_buf" >&6; }
+	  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $sizeof_jmp_buf" >&5
+printf '%s\n' "$sizeof_jmp_buf" >&6; }
 
-printf "%s\n" "#define SIZEOF_JMP_BUF $sizeof_jmp_buf" >>confdefs.h
+printf '%s\n' "#define SIZEOF_JMP_BUF $sizeof_jmp_buf" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 fi
@@ -5091,22 +5358,28 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default"
 if test "x$ac_cv_header_unistd_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_UNISTD_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sysconf in -lc" >&5
+  printf '%s\n' "#define HAVE_UNISTD_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sysconf in -lc" >&5
 printf %s "checking for sysconf in -lc... " >&6; }
 if test ${ac_cv_lib_c_sysconf+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char sysconf ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sysconf (void);
 int
 main (void)
 {
@@ -5118,28 +5391,30 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_c_sysconf=yes
-else $as_nop
-  ac_cv_lib_c_sysconf=no
+else case e in #(
+  e) ac_cv_lib_c_sysconf=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_sysconf" >&5
-printf "%s\n" "$ac_cv_lib_c_sysconf" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_sysconf" >&5
+printf '%s\n' "$ac_cv_lib_c_sysconf" >&6; }
 if test "x$ac_cv_lib_c_sysconf" = xyes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking _SC_CLK_TCK" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking _SC_CLK_TCK" >&5
 printf %s "checking _SC_CLK_TCK... " >&6; }
 	     hz=0
 	     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 			     #include <unistd.h>
@@ -5162,11 +5437,12 @@ then :
 
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-	     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $hz" >&5
-printf "%s\n" "$hz" >&6; }
+	     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $hz" >&5
+printf '%s\n' "$hz" >&6; }
 fi
 
 fi
@@ -5189,22 +5465,28 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "gmp.h" "ac_cv_header_gmp_h" "$ac_includes_default"
 if test "x$ac_cv_header_gmp_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_GMP_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __gmpz_init in -lgmp" >&5
+  printf '%s\n' "#define HAVE_GMP_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for __gmpz_init in -lgmp" >&5
 printf %s "checking for __gmpz_init in -lgmp... " >&6; }
 if test ${ac_cv_lib_gmp___gmpz_init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgmp  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char __gmpz_init ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char __gmpz_init (void);
 int
 main (void)
 {
@@ -5216,27 +5498,29 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_gmp___gmpz_init=yes
-else $as_nop
-  ac_cv_lib_gmp___gmpz_init=no
+else case e in #(
+  e) ac_cv_lib_gmp___gmpz_init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gmp___gmpz_init" >&5
-printf "%s\n" "$ac_cv_lib_gmp___gmpz_init" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gmp___gmpz_init" >&5
+printf '%s\n' "$ac_cv_lib_gmp___gmpz_init" >&6; }
 if test "x$ac_cv_lib_gmp___gmpz_init" = xyes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for external gmp version" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for external gmp version" >&5
 printf %s "checking for external gmp version... " >&6; }
 		 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				 #include <gmp.h>
@@ -5257,8 +5541,8 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: good" >&5
-printf "%s\n" "good" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: good" >&5
+printf '%s\n' "good" >&6; }
 		      TLIBS="$TLIBS -lgmp"
 		      echo "#include \"gmp.h\"" >foo.c
 		      echo "int main() {return 0;}" >>foo.c
@@ -5266,7 +5550,8 @@ printf "%s\n" "good" >&6; }
 		      rm -f foo.c
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 fi
@@ -5276,8 +5561,8 @@ fi
 done
 
     if test "$MP_INCLUDE" = "" ; then
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: Cannot use dynamic gmp lib" >&5
-printf "%s\n" "Cannot use dynamic gmp lib" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: Cannot use dynamic gmp lib" >&5
+printf '%s\n' "Cannot use dynamic gmp lib" >&6; }
     fi
 
 fi
@@ -5286,7 +5571,7 @@ fi
 if test "$MP_INCLUDE" = "" ; then
 
     GMPDIR=gmp4
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking doing configure in gmp directory" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking doing configure in gmp directory" >&5
 printf %s "checking doing configure in gmp directory... " >&6; }
     echo
     echo "#"
@@ -5317,7 +5602,7 @@ printf %s "checking doing configure in gmp directory... " >&6; }
     fi
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for leading underscore in object symbols" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for leading underscore in object symbols" >&5
 printf %s "checking for leading underscore in object symbols... " >&6; }
 cat>foo.c <<EOFF
 #include <math.h>
@@ -5328,45 +5613,45 @@ $CC -c foo.c -o foo.o
 if nm foo.o |grep " U " | grep "_cos" >/dev/null || nm foo.o |grep " U " | grep " _getc" >/dev/null ; then
     LEADING_UNDERSCORE=1
 
-printf "%s\n" "#define LEADING_UNDERSCORE 1" >>confdefs.h
+printf '%s\n' "#define LEADING_UNDERSCORE 1" >>confdefs.h
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: \"yes\"" >&5
-printf "%s\n" "\"yes\"" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: \"yes\"" >&5
+printf '%s\n' "\"yes\"" >&6; }
 else
     LEADING_UNDERSCORE=""
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: \"no\"" >&5
-printf "%s\n" "\"no\"" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: \"no\"" >&5
+printf '%s\n' "\"no\"" >&6; }
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking \"for GNU ld option -Map\"" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking \"for GNU ld option -Map\"" >&5
 printf %s "checking \"for GNU ld option -Map\"... " >&6; }
 touch map
 $CC -o foo  -Wl,-Map  map foo.o >/dev/null 2>&1
 if test `cat map | wc -l` != "0" ; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: \"yes\"" >&5
-printf "%s\n" "\"yes\"" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: \"yes\"" >&5
+printf '%s\n' "\"yes\"" >&6; }
 
-printf "%s\n" "#define HAVE_GNU_LD 1" >>confdefs.h
+printf '%s\n' "#define HAVE_GNU_LD 1" >>confdefs.h
 
     GNU_LD=1
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: \"no\"" >&5
-printf "%s\n" "\"no\"" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: \"no\"" >&5
+printf '%s\n' "\"no\"" >&6; }
     GNU_LD=
 fi
 rm -f foo.c foo.o foo map
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for size of gmp limbs" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for size of gmp limbs" >&5
 printf %s "checking for size of gmp limbs... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				   #include <stdio.h>
@@ -5387,29 +5672,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   mpsize=`cat conftest1`
-else $as_nop
-  as_fn_error $? "Cannot determine mpsize" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Cannot determine mpsize" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-printf "%s\n" "#define MP_LIMB_BYTES $mpsize" >>confdefs.h
+printf '%s\n' "#define MP_LIMB_BYTES $mpsize" >>confdefs.h
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $mpsize" >&5
-printf "%s\n" "$mpsize" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $mpsize" >&5
+printf '%s\n' "$mpsize" >&6; }
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking _SHORT_LIMB" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking _SHORT_LIMB" >&5
 printf %s "checking _SHORT_LIMB... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				   #include <stdio.h>
@@ -5432,28 +5719,30 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define __SHORT_LIMB 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf '%s\n' "#define __SHORT_LIMB 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking _LONG_LONG_LIMB" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking _LONG_LONG_LIMB" >&5
 printf %s "checking _LONG_LONG_LIMB... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				   #include <stdio.h>
@@ -5476,21 +5765,23 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define __LONG_LONG_LIMB 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf '%s\n' "#define __LONG_LONG_LIMB 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
 GMP=1
 
-printf "%s\n" "#define GMP 1" >>confdefs.h
+printf '%s\n' "#define GMP 1" >>confdefs.h
 
 
 
@@ -5508,7 +5799,7 @@ echo >> makedefsafter
 if test "$enable_xgcl" = "yes" ; then
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for X" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for X" >&5
 printf %s "checking for X... " >&6; }
 
 
@@ -5518,7 +5809,7 @@ then :
   withval=$with_x;
 fi
 
-# $have_x is `yes', `no', `disabled', or empty when we do not yet know.
+# $have_x is 'yes', 'no', 'disabled', or empty when we do not yet know.
 if test "x$with_x" = xno; then
   # The user explicitly disabled X.
   have_x=disabled
@@ -5528,8 +5819,8 @@ else
     *,NONE | NONE,*) if test ${ac_cv_have_x+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  # One or both of the vars are not set, and there is no cached value.
+else case e in #(
+  e) # One or both of the vars are not set, and there is no cached value.
 ac_x_includes=no
 ac_x_libraries=no
 # Do we need to do anything special at all?
@@ -5564,11 +5855,11 @@ if mkdir conftest.dir; then
   cd conftest.dir
   cat >Imakefile <<'_ACEOF'
 incroot:
-	@echo incroot='${INCROOT}'
+	@printf '%s\n' incroot='${INCROOT}'
 usrlibdir:
-	@echo usrlibdir='${USRLIBDIR}'
+	@printf '%s\n' usrlibdir='${USRLIBDIR}'
 libdir:
-	@echo libdir='${LIBDIR}'
+	@printf '%s\n' libdir='${LIBDIR}'
 _ACEOF
   if (export CC; ${XMKMF-xmkmf}) >/dev/null 2>/dev/null && test -f Makefile; then
     # GNU make sometimes prints "make[1]: Entering ...", which would confuse us.
@@ -5652,13 +5943,14 @@ if ac_fn_c_try_cpp "$LINENO"
 then :
   # We can compile using X headers with no special include directory.
 ac_x_includes=
-else $as_nop
-  for ac_dir in $ac_x_header_dirs; do
+else case e in #(
+  e) for ac_dir in $ac_x_header_dirs; do
   if test -r "$ac_dir/X11/Xlib.h"; then
     ac_x_includes=$ac_dir
     break
   fi
-done
+done ;;
+esac
 fi
 rm -f conftest.err conftest.i conftest.$ac_ext
 fi # $ac_x_includes = no
@@ -5685,9 +5977,9 @@ then :
   LIBS=$ac_save_LIBS
 # We can link X programs with no special library path.
 ac_x_libraries=
-else $as_nop
-  LIBS=$ac_save_LIBS
-for ac_dir in `printf "%s\n" "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
+else case e in #(
+  e) LIBS=$ac_save_LIBS
+for ac_dir in `printf '%s\n' "$ac_x_includes $ac_x_header_dirs" | sed s/include/lib/g`
 do
   # Don't even attempt the hair of trying to link an X program!
   for ac_extension in a so sl dylib la dll; do
@@ -5696,7 +5988,8 @@ do
       break 2
     fi
   done
-done
+done ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -5713,6 +6006,7 @@ case $ac_x_includes,$ac_x_libraries in #(
     ac_cv_have_x="have_x=yes\
 	ac_x_includes='$ac_x_includes'\
 	ac_x_libraries='$ac_x_libraries'" ;;
+esac ;;
 esac
 fi
 ;; #(
@@ -5722,8 +6016,8 @@ fi
 fi # $with_x != no
 
 if test "$have_x" != yes; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5
-printf "%s\n" "$have_x" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $have_x" >&5
+printf '%s\n' "$have_x" >&6; }
   no_x=yes
 else
   # If each of the values was on the command line, it overrides each guess.
@@ -5733,18 +6027,18 @@ else
   ac_cv_have_x="have_x=yes\
 	ac_x_includes='$x_includes'\
 	ac_x_libraries='$x_libraries'"
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5
-printf "%s\n" "libraries $x_libraries, headers $x_includes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: libraries $x_libraries, headers $x_includes" >&5
+printf '%s\n' "libraries $x_libraries, headers $x_includes" >&6; }
 fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lX11" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for main in -lX11" >&5
 printf %s "checking for main in -lX11... " >&6; }
 if test ${ac_cv_lib_X11_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lX11  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -5761,23 +6055,26 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_X11_main=yes
-else $as_nop
-  ac_cv_lib_X11_main=no
+else case e in #(
+  e) ac_cv_lib_X11_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_X11_main" >&5
-printf "%s\n" "$ac_cv_lib_X11_main" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_X11_main" >&5
+printf '%s\n' "$ac_cv_lib_X11_main" >&6; }
 if test "x$ac_cv_lib_X11_main" = xyes
 then :
   X_LIBS="$X_LIBS -lX11"
-printf "%s\n" "#define HAVE_XGCL 1" >>confdefs.h
+printf '%s\n' "#define HAVE_XGCL 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing x libraries -- cannot compile xgcl" >&5
-printf "%s\n" "missing x libraries -- cannot compile xgcl" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: missing x libraries -- cannot compile xgcl" >&5
+printf '%s\n' "missing x libraries -- cannot compile xgcl" >&6; } ;;
+esac
 fi
 
 
@@ -5793,21 +6090,27 @@ fi
 
 if test "$enable_dlopen" = "yes" ; then
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlopen ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen (void);
 int
 main (void)
 {
@@ -5819,30 +6122,33 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
-  ac_cv_lib_dl_dlopen=no
+else case e in #(
+  e) ac_cv_lib_dl_dlopen=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+printf '%s\n' "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
-  printf "%s\n" "#define HAVE_LIBDL 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_LIBDL 1" >>confdefs.h
 
   LIBS="-ldl $LIBS"
 
-else $as_nop
-  as_fn_error $? "Cannot find dlopen" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Cannot find dlopen" "$LINENO" 5 ;;
+esac
 fi
 
 
     TLIBS="$TLIBS -ldl -rdynamic"
     assert_arg_to_cflags -fPIC
 
-printf "%s\n" "#define USE_DLOPEN 1" >>confdefs.h
+printf '%s\n' "#define USE_DLOPEN 1" >>confdefs.h
 
 
 fi
@@ -5853,22 +6159,28 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "bfd.h" "ac_cv_header_bfd_h" "$ac_includes_default"
 if test "x$ac_cv_header_bfd_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_BFD_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for bfd_init in -lbfd" >&5
+  printf '%s\n' "#define HAVE_BFD_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for bfd_init in -lbfd" >&5
 printf %s "checking for bfd_init in -lbfd... " >&6; }
 if test ${ac_cv_lib_bfd_bfd_init+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbfd -liberty $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char bfd_init ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char bfd_init (void);
 int
 main (void)
 {
@@ -5880,27 +6192,29 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_bfd_bfd_init=yes
-else $as_nop
-  ac_cv_lib_bfd_bfd_init=no
+else case e in #(
+  e) ac_cv_lib_bfd_bfd_init=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bfd_bfd_init" >&5
-printf "%s\n" "$ac_cv_lib_bfd_bfd_init" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bfd_bfd_init" >&5
+printf '%s\n' "$ac_cv_lib_bfd_bfd_init" >&6; }
 if test "x$ac_cv_lib_bfd_bfd_init" = xyes
 then :
   #
 	    # Old binutils appear to need CONST defined to const
 	    #
-	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking need to define CONST for bfd" >&5
+	    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking need to define CONST for bfd" >&5
 printf %s "checking need to define CONST for bfd... " >&6; }
 	    if test "$cross_compiling" = yes
 then :
   as_fn_error $? "cannot use bfd" "$LINENO" 5
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 			    #define IN_GCC
@@ -5918,14 +6232,14 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-else $as_nop
-  if test "$cross_compiling" = yes
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+else case e in #(
+  e) if test "$cross_compiling" = yes
 then :
   as_fn_error $? "cannot use bfd" "$LINENO" 5
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				#define CONST const
@@ -5944,21 +6258,25 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
 
-printf "%s\n" "#define NEED_CONST 1" >>confdefs.h
+printf '%s\n' "#define NEED_CONST 1" >>confdefs.h
 
-else $as_nop
-  as_fn_error $? "cannot use bfd" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "cannot use bfd" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -5969,23 +6287,23 @@ fi
 done
 
 
-printf "%s\n" "#define HAVE_LIBBFD 1" >>confdefs.h
+printf '%s\n' "#define HAVE_LIBBFD 1" >>confdefs.h
 
 
     #
     # BFD boolean syntax
     #
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for useable bfd_boolean" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for useable bfd_boolean" >&5
 printf %s "checking for useable bfd_boolean... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #define IN_GCC
@@ -6002,17 +6320,19 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
 
-printf "%s\n" "#define HAVE_BFD_BOOLEAN 1" >>confdefs.h
+printf '%s\n' "#define HAVE_BFD_BOOLEAN 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -6028,7 +6348,7 @@ fi
 if test "x$ac_cv_member_struct_bfd_link_info_output_bfd" = xyes
 then :
 
-printf "%s\n" "#define HAVE_OUTPUT_BFD 1" >>confdefs.h
+printf '%s\n' "#define HAVE_OUTPUT_BFD 1" >>confdefs.h
 
 fi
 
@@ -6052,21 +6372,27 @@ fi
 	    as_fn_error $? "cannot locate external libiberty.a" "$LINENO" 5
 	fi
 	BUILD_BFD=copy_bfd
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inflate in -lz" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for inflate in -lz" >&5
 printf %s "checking for inflate in -lz... " >&6; }
 if test ${ac_cv_lib_z_inflate+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lz  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char inflate ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char inflate (void);
 int
 main (void)
 {
@@ -6078,37 +6404,46 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_z_inflate=yes
-else $as_nop
-  ac_cv_lib_z_inflate=no
+else case e in #(
+  e) ac_cv_lib_z_inflate=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflate" >&5
-printf "%s\n" "$ac_cv_lib_z_inflate" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_inflate" >&5
+printf '%s\n' "$ac_cv_lib_z_inflate" >&6; }
 if test "x$ac_cv_lib_z_inflate" = xyes
 then :
   TLIBS="$TLIBS -lz"
-else $as_nop
-  as_fn_error $? "Need zlib for bfd linking" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Need zlib for bfd linking" "$LINENO" 5 ;;
+esac
 fi
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlsym in -ldl" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for dlsym in -ldl" >&5
 printf %s "checking for dlsym in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlsym+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlsym ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlsym (void);
 int
 main (void)
 {
@@ -6120,20 +6455,23 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlsym=yes
-else $as_nop
-  ac_cv_lib_dl_dlsym=no
+else case e in #(
+  e) ac_cv_lib_dl_dlsym=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlsym" >&5
-printf "%s\n" "$ac_cv_lib_dl_dlsym" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlsym" >&5
+printf '%s\n' "$ac_cv_lib_dl_dlsym" >&6; }
 if test "x$ac_cv_lib_dl_dlsym" = xyes
 then :
   TLIBS="$TLIBS -ldl"
-else $as_nop
-  as_fn_error $? "Need libdl for bfd linking" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Need libdl for bfd linking" "$LINENO" 5 ;;
+esac
 fi
 
 
@@ -6158,22 +6496,28 @@ if test "$enable_xdr" != "no" ; then
 if test "x$ac_cv_func_xdr_double" = xyes
 then :
   XDR_LIB=" "
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -ltirpc" >&5
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -ltirpc" >&5
 printf %s "checking for xdr_double in -ltirpc... " >&6; }
 if test ${ac_cv_lib_tirpc_xdr_double+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ltirpc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char xdr_double ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char xdr_double (void);
 int
 main (void)
 {
@@ -6185,34 +6529,42 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_tirpc_xdr_double=yes
-else $as_nop
-  ac_cv_lib_tirpc_xdr_double=no
+else case e in #(
+  e) ac_cv_lib_tirpc_xdr_double=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_xdr_double" >&5
-printf "%s\n" "$ac_cv_lib_tirpc_xdr_double" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tirpc_xdr_double" >&5
+printf '%s\n' "$ac_cv_lib_tirpc_xdr_double" >&6; }
 if test "x$ac_cv_lib_tirpc_xdr_double" = xyes
 then :
   XDR_LIB=tirpc
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -lgssrpc" >&5
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -lgssrpc" >&5
 printf %s "checking for xdr_double in -lgssrpc... " >&6; }
 if test ${ac_cv_lib_gssrpc_xdr_double+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lgssrpc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char xdr_double ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char xdr_double (void);
 int
 main (void)
 {
@@ -6224,34 +6576,42 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_gssrpc_xdr_double=yes
-else $as_nop
-  ac_cv_lib_gssrpc_xdr_double=no
+else case e in #(
+  e) ac_cv_lib_gssrpc_xdr_double=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gssrpc_xdr_double" >&5
-printf "%s\n" "$ac_cv_lib_gssrpc_xdr_double" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gssrpc_xdr_double" >&5
+printf '%s\n' "$ac_cv_lib_gssrpc_xdr_double" >&6; }
 if test "x$ac_cv_lib_gssrpc_xdr_double" = xyes
 then :
   XDR_LIB=gssrpc
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -lrpc" >&5
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -lrpc" >&5
 printf %s "checking for xdr_double in -lrpc... " >&6; }
 if test ${ac_cv_lib_rpc_xdr_double+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lrpc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char xdr_double ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char xdr_double (void);
 int
 main (void)
 {
@@ -6263,34 +6623,42 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_rpc_xdr_double=yes
-else $as_nop
-  ac_cv_lib_rpc_xdr_double=no
+else case e in #(
+  e) ac_cv_lib_rpc_xdr_double=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rpc_xdr_double" >&5
-printf "%s\n" "$ac_cv_lib_rpc_xdr_double" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rpc_xdr_double" >&5
+printf '%s\n' "$ac_cv_lib_rpc_xdr_double" >&6; }
 if test "x$ac_cv_lib_rpc_xdr_double" = xyes
 then :
   XDR_LIB=rpc
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -loncrpc" >&5
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for xdr_double in -loncrpc" >&5
 printf %s "checking for xdr_double in -loncrpc... " >&6; }
 if test ${ac_cv_lib_oncrpc_xdr_double+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-loncrpc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char xdr_double ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char xdr_double (void);
 int
 main (void)
 {
@@ -6302,32 +6670,38 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_oncrpc_xdr_double=yes
-else $as_nop
-  ac_cv_lib_oncrpc_xdr_double=no
+else case e in #(
+  e) ac_cv_lib_oncrpc_xdr_double=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_oncrpc_xdr_double" >&5
-printf "%s\n" "$ac_cv_lib_oncrpc_xdr_double" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_oncrpc_xdr_double" >&5
+printf '%s\n' "$ac_cv_lib_oncrpc_xdr_double" >&6; }
 if test "x$ac_cv_lib_oncrpc_xdr_double" = xyes
 then :
   XDR_LIB=oncrpc
 fi
-
+ ;;
+esac
 fi
-
+ ;;
+esac
 fi
-
+ ;;
+esac
 fi
-
+ ;;
+esac
 fi
 
 
     if test "$XDR_LIB" != ""; then
 
-printf "%s\n" "#define HAVE_XDR 1" >>confdefs.h
+printf '%s\n' "#define HAVE_XDR 1" >>confdefs.h
 
 	if test "$XDR_LIB" != " "; then
 	    TLIBS="$TLIBS -l$XDR_LIB"
@@ -6337,16 +6711,16 @@ printf "%s\n" "#define HAVE_XDR 1" >>confdefs.h
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking __builtin_clzl" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking __builtin_clzl" >&5
 printf %s "checking __builtin_clzl... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -6370,30 +6744,32 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
 
-printf "%s\n" "#define HAVE_CLZL 1" >>confdefs.h
+printf '%s\n' "#define HAVE_CLZL 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking __builtin_ctzl" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking __builtin_ctzl" >&5
 printf %s "checking __builtin_ctzl... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -6417,17 +6793,19 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
 
-printf "%s\n" "#define HAVE_CTZL 1" >>confdefs.h
+printf '%s\n' "#define HAVE_CTZL 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -6439,16 +6817,16 @@ case $use in
     alpha*) ;;   #FIXME
     ia64*) ;;    #FIXME
     *)
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking __builtin___clear_cache" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking __builtin___clear_cache" >&5
 printf %s "checking __builtin___clear_cache... " >&6; }
 	if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6465,16 +6843,18 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_BUILTIN_CLEAR_CACHE 1" >>confdefs.h
+printf '%s\n' "#define HAVE_BUILTIN_CLEAR_CACHE 1" >>confdefs.h
 
-	     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+	     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 ;;
 esac
@@ -6487,35 +6867,30 @@ esac
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# declarations like 'int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking size of long" >&5
 printf %s "checking size of long... " >&6; }
 if test ${ac_cv_sizeof_long+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"
-then :
-
-else $as_nop
-  if test "$ac_cv_type_long" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (long)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_long=0
-   fi
-fi
+else case e in #(
+  e) if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long"        "$ac_includes_default"
+then :
 
+else case e in #(
+  e) ac_cv_sizeof_long=0 ;;
+esac
+fi
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
-printf "%s\n" "$ac_cv_sizeof_long" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5
+printf '%s\n' "$ac_cv_sizeof_long" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h
+printf '%s\n' "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h
 
 
 
@@ -6526,49 +6901,44 @@ fi
 ac_fn_c_check_header_compile "$LINENO" "time.h" "ac_cv_header_time_h" "$ac_includes_default"
 if test "x$ac_cv_header_time_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_TIME_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_TIME_H 1" >>confdefs.h
 
 fi
 ac_fn_c_check_header_compile "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_time_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_SYS_TIME_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_SYS_TIME_H 1" >>confdefs.h
 
 fi
 
 
 # The cast to long int works around a bug in the HP C Compiler
 # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
-# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# declarations like 'int a3[[(sizeof (unsigned char)) >= 0]];'.
 # This bug is HP SR number 8606223364.
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking size of time_t" >&5
 printf %s "checking size of time_t... " >&6; }
 if test ${ac_cv_sizeof_time_t+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t"        "#include <time.h>
+else case e in #(
+  e) if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (time_t))" "ac_cv_sizeof_time_t"        "#include <time.h>
 "
 then :
 
-else $as_nop
-  if test "$ac_cv_type_time_t" = yes; then
-     { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error 77 "cannot compute sizeof (time_t)
-See \`config.log' for more details" "$LINENO" 5; }
-   else
-     ac_cv_sizeof_time_t=0
-   fi
+else case e in #(
+  e) ac_cv_sizeof_time_t=0 ;;
+esac
 fi
-
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_time_t" >&5
-printf "%s\n" "$ac_cv_sizeof_time_t" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_time_t" >&5
+printf '%s\n' "$ac_cv_sizeof_time_t" >&6; }
 
 
 
-printf "%s\n" "#define SIZEOF_TIME_T $ac_cv_sizeof_time_t" >>confdefs.h
+printf '%s\n' "#define SIZEOF_TIME_T $ac_cv_sizeof_time_t" >>confdefs.h
 
 
 if test "$use" != "mingw" && test "$use" != "386-gnu" ; then
@@ -6581,16 +6951,16 @@ fi
 
 ####  Memory areas and alignment
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for byte order" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for byte order" >&5
 printf %s "checking for byte order... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6609,32 +6979,34 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: little" >&5
-printf "%s\n" "little" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: big" >&5
-printf "%s\n" "big" >&6; }
-
-printf "%s\n" "#define WORDS_BIGENDIAN 1" >>confdefs.h
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: little" >&5
+printf '%s\n' "little" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: big" >&5
+printf '%s\n' "big" >&6; }
 
+printf '%s\n' "#define WORDS_BIGENDIAN 1" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for word order" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for word order" >&5
 printf %s "checking for word order... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6652,23 +7024,25 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: little" >&5
-printf "%s\n" "little" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: big" >&5
-printf "%s\n" "big" >&6; }
-
-printf "%s\n" "#define DOUBLE_BIGENDIAN 1" >>confdefs.h
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: little" >&5
+printf '%s\n' "little" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: big" >&5
+printf '%s\n' "big" >&6; }
 
+printf '%s\n' "#define DOUBLE_BIGENDIAN 1" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
 
 # pagewidth
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pagewidth" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for pagewidth" >&5
 printf %s "checking for pagewidth... " >&6; }
 case $use in
     mips*) min_pagewidth=14;;
@@ -6676,12 +7050,12 @@ case $use in
 esac
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -6707,30 +7081,32 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   PAGEWIDTH=`cat conftest1`
-else $as_nop
-  PAGEWIDTH=0
+else case e in #(
+  e) PAGEWIDTH=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PAGEWIDTH" >&5
-printf "%s\n" "$PAGEWIDTH" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $PAGEWIDTH" >&5
+printf '%s\n' "$PAGEWIDTH" >&6; }
 
-printf "%s\n" "#define PAGEWIDTH $PAGEWIDTH" >>confdefs.h
+printf '%s\n' "#define PAGEWIDTH $PAGEWIDTH" >>confdefs.h
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for required object alignment" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for required object alignment" >&5
 printf %s "checking for required object alignment... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -6763,29 +7139,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   obj_align=`cat conftest1`
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $obj_align" >&5
-printf "%s\n" "$obj_align" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $obj_align" >&5
+printf '%s\n' "$obj_align" >&6; }
 
-printf "%s\n" "#define OBJ_ALIGNMENT $obj_align" >>confdefs.h
+printf '%s\n' "#define OBJ_ALIGNMENT $obj_align" >>confdefs.h
 
-else $as_nop
-  as_fn_error $? "Cannot find object alignent" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Cannot find object alignent" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C extension variable alignment" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C extension variable alignment" >&5
 printf %s "checking for C extension variable alignment... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6801,29 +7179,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   obj_align="__attribute__ ((aligned ($obj_align)))"
-else $as_nop
-  as_fn_error $? "Need alignment attributes" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Need alignment attributes" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $obj_align" >&5
-printf "%s\n" "$obj_align" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $obj_align" >&5
+printf '%s\n' "$obj_align" >&6; }
 
-printf "%s\n" "#define OBJ_ALIGN $obj_align" >>confdefs.h
+printf '%s\n' "#define OBJ_ALIGN $obj_align" >>confdefs.h
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C extension noreturn function attribute" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for C extension noreturn function attribute" >&5
 printf %s "checking for C extension noreturn function attribute... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -6839,27 +7219,29 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   no_return="__attribute__ ((noreturn))"
-else $as_nop
-  no_return=
+else case e in #(
+  e) no_return= ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $no_return" >&5
-printf "%s\n" "$no_return" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $no_return" >&5
+printf '%s\n' "$no_return" >&6; }
 
-printf "%s\n" "#define NO_RETURN $no_return" >>confdefs.h
+printf '%s\n' "#define NO_RETURN $no_return" >>confdefs.h
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sizeof struct contblock" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking sizeof struct contblock" >&5
 printf %s "checking sizeof struct contblock... " >&6; }
 
 if test "$cross_compiling" = yes
 then :
   as_fn_error $? "Cannot find sizeof struct contblock" "$LINENO" 5
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -6887,29 +7269,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   sizeof_contblock=`cat conftest1`
-else $as_nop
-  as_fn_error $? "Cannot find sizeof struct contblock" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "Cannot find sizeof struct contblock" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $sizeof_contblock" >&5
-printf "%s\n" "$sizeof_contblock" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $sizeof_contblock" >&5
+printf '%s\n' "$sizeof_contblock" >&6; }
 
-printf "%s\n" "#define SIZEOF_CONTBLOCK $sizeof_contblock" >>confdefs.h
+printf '%s\n' "#define SIZEOF_CONTBLOCK $sizeof_contblock" >>confdefs.h
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sbrk" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sbrk" >&5
 printf %s "checking for sbrk... " >&6; }
 HAVE_SBRK=""
 if test "$cross_compiling" = yes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&5
-printf "%s\n" "no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&6; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&5
+printf '%s\n' "no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&6; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <unistd.h>
@@ -6930,35 +7314,37 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  HAVE_SBRK=1;{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&5
-printf "%s\n" "no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&6; }
+  HAVE_SBRK=1;{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&5
+printf '%s\n' "no: WARNING you must be able to emulate sbrk: as on mingw or macosx" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
 if test "$use" = "386-macosx" || test "$use" = "386-gnu" || test "$use" = "gnuwin95" || test "$use" = "mingw" ; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: special sbrk handling" >&5
-printf "%s\n" "special sbrk handling" >&6; };
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: special sbrk handling" >&5
+printf '%s\n' "special sbrk handling" >&6; };
     HAVE_SBRK=0
 fi
 
 if test "$HAVE_SBRK" = "1" ; then
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ADDR_NO_RANDOMIZE constant" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for ADDR_NO_RANDOMIZE constant" >&5
 printf %s "checking for ADDR_NO_RANDOMIZE constant... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include <sys/personality.h>
@@ -6979,31 +7365,33 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ADDR_NO_RANDOMIZE=`cat conftest1`
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_NO_RANDOMIZE" >&5
-printf "%s\n" "yes $ADDR_NO_RANDOMIZE" >&6; }
-else $as_nop
-  ADDR_NO_RANDOMIZE=0
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no assuming 0x40000" >&5
-printf "%s\n" "no assuming 0x40000" >&6; }
-
-printf "%s\n" "#define ADDR_NO_RANDOMIZE 0x40000" >>confdefs.h
-
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_NO_RANDOMIZE" >&5
+printf '%s\n' "yes $ADDR_NO_RANDOMIZE" >&6; }
+else case e in #(
+  e) ADDR_NO_RANDOMIZE=0
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no assuming 0x40000" >&5
+printf '%s\n' "no assuming 0x40000" >&6; }
+
+printf '%s\n' "#define ADDR_NO_RANDOMIZE 0x40000" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ADDR_COMPAT_LAYOUT constant" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for ADDR_COMPAT_LAYOUT constant" >&5
 printf %s "checking for ADDR_COMPAT_LAYOUT constant... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include <sys/personality.h>
@@ -7024,31 +7412,33 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ADDR_COMPAT_LAYOUT=`cat conftest1`
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_COMPAT_LAYOUT" >&5
-printf "%s\n" "yes $ADDR_COMPAT_LAYOUT" >&6; }
-else $as_nop
-  ADDR_COMPAT_LAYOUT=0
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-
-printf "%s\n" "#define ADDR_COMPAT_LAYOUT 0" >>confdefs.h
-
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_COMPAT_LAYOUT" >&5
+printf '%s\n' "yes $ADDR_COMPAT_LAYOUT" >&6; }
+else case e in #(
+  e) ADDR_COMPAT_LAYOUT=0
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+
+printf '%s\n' "#define ADDR_COMPAT_LAYOUT 0" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ADDR_LIMIT_3GB constant" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for ADDR_LIMIT_3GB constant" >&5
 printf %s "checking for ADDR_LIMIT_3GB constant... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include <sys/personality.h>
@@ -7069,31 +7459,33 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ADDR_LIMIT_3GB=`cat conftest1`
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_LIMIT_3GB" >&5
-printf "%s\n" "yes $ADDR_LIMIT_3GB" >&6; }
-else $as_nop
-  ADDR_LIMIT_3GB=0
-	 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-
-printf "%s\n" "#define ADDR_LIMIT_3GB 0" >>confdefs.h
-
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes $ADDR_LIMIT_3GB" >&5
+printf '%s\n' "yes $ADDR_LIMIT_3GB" >&6; }
+else case e in #(
+  e) ADDR_LIMIT_3GB=0
+	 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+
+printf '%s\n' "#define ADDR_LIMIT_3GB 0" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for personality(ADDR_NO_RANDOMIZE) support" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for personality(ADDR_NO_RANDOMIZE) support" >&5
 printf %s "checking for personality(ADDR_NO_RANDOMIZE) support... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include "h/unrandomize_headers.h"
@@ -7105,31 +7497,33 @@ else $as_nop
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
 
-printf "%s\n" "#define CAN_UNRANDOMIZE_SBRK 1" >>confdefs.h
+printf '%s\n' "#define CAN_UNRANDOMIZE_SBRK 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking that sbrk is (now) non-random" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking that sbrk is (now) non-random" >&5
 printf %s "checking that sbrk is (now) non-random... " >&6; }
     SBRK=0
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include "h/unrandomize_headers.h"
@@ -7150,7 +7544,8 @@ then :
   SBRK=`cat conftest1`
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
     if test "$SBRK" = "0" ; then
@@ -7160,12 +7555,12 @@ fi
     SBRK1=0
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include "h/unrandomize_headers.h"
@@ -7185,18 +7580,19 @@ then :
   SBRK1=`cat conftest1`
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
     if test "$SBRK1" = "0" ; then
 	as_fn_error $? "cannot trap sbrk" "$LINENO" 5
     fi
     if test "$SBRK" = "$SBRK1" ; then
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
     else
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 	echo "Cannot build with randomized sbrk. Your options:"
 	echo " - upgrade to a kernel/libc that knows about personality(ADDR_NO_RANDOMIZE)"
 	echo " - recompile your kernel with CONFIG_COMPAT_BRK (if it has that option)"
@@ -7205,16 +7601,16 @@ printf "%s\n" "no" >&6; }
     fi
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CSTACK_DIRECTION" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking CSTACK_DIRECTION" >&5
 printf %s "checking CSTACK_DIRECTION... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
   		#include "h/unrandomize_headers.h"
@@ -7231,29 +7627,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   cstack_direction=`cat conftest1`
-else $as_nop
-  cstack_direction=0
+else case e in #(
+  e) cstack_direction=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-printf "%s\n" "#define CSTACK_DIRECTION $cstack_direction" >>confdefs.h
+printf '%s\n' "#define CSTACK_DIRECTION $cstack_direction" >>confdefs.h
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cstack_direction" >&5
-printf "%s\n" "$cstack_direction" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cstack_direction" >&5
+printf '%s\n' "$cstack_direction" >&6; }
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking finding CSTACK_ALIGNMENT" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking finding CSTACK_ALIGNMENT" >&5
 printf %s "checking finding CSTACK_ALIGNMENT... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include "h/unrandomize_headers.h"
@@ -7276,39 +7674,41 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   cstack_alignment=`cat conftest1`
-else $as_nop
-  cstack_alignment=0
+else case e in #(
+  e) cstack_alignment=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-printf "%s\n" "#define CSTACK_ALIGNMENT $cstack_alignment" >>confdefs.h
+printf '%s\n' "#define CSTACK_ALIGNMENT $cstack_alignment" >>confdefs.h
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cstack_alignment" >&5
-printf "%s\n" "$cstack_alignment" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cstack_alignment" >&5
+printf '%s\n' "$cstack_alignment" >&6; }
 
 # Check whether --enable-cstackmax was given.
 if test ${enable_cstackmax+y}
 then :
   enableval=$enable_cstackmax; if test "$enableval" != "" ; then
-printf "%s\n" "#define CSTACKMAX $enableval" >>confdefs.h
+printf '%s\n' "#define CSTACKMAX $enableval" >>confdefs.h
  fi
 fi
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking CSTACK_ADDRESS" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking CSTACK_ADDRESS" >&5
 printf %s "checking CSTACK_ADDRESS... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include "h/unrandomize_headers.h"
@@ -7336,29 +7736,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   cstack_address=`cat conftest1`
-else $as_nop
-  cstack_address=0
+else case e in #(
+  e) cstack_address=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-printf "%s\n" "#define CSTACK_ADDRESS $cstack_address" >>confdefs.h
+printf '%s\n' "#define CSTACK_ADDRESS $cstack_address" >>confdefs.h
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cstack_address" >&5
-printf "%s\n" "$cstack_address" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cstack_address" >&5
+printf '%s\n' "$cstack_address" >&6; }
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking cstack bits" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking cstack bits" >&5
 printf %s "checking cstack bits... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include "h/unrandomize_headers.h"
@@ -7388,29 +7790,31 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   cstack_bits=`cat conftest1`
-else $as_nop
-  cstack_bits=0
+else case e in #(
+  e) cstack_bits=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-printf "%s\n" "#define CSTACK_BITS $cstack_bits" >>confdefs.h
+printf '%s\n' "#define CSTACK_BITS $cstack_bits" >>confdefs.h
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cstack_bits" >&5
-printf "%s\n" "$cstack_bits" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $cstack_bits" >&5
+printf '%s\n' "$cstack_bits" >&6; }
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking NEG_CSTACK_ADDRESS" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking NEG_CSTACK_ADDRESS" >&5
 printf %s "checking NEG_CSTACK_ADDRESS... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include "h/unrandomize_headers.h"
@@ -7424,19 +7828,21 @@ else $as_nop
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
      neg_cstack_address=1
 
-printf "%s\n" "#define NEG_CSTACK_ADDRESS 1" >>confdefs.h
+printf '%s\n' "#define NEG_CSTACK_ADDRESS 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-     neg_cstack_address=0
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+     neg_cstack_address=0 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -7451,15 +7857,16 @@ fi
 if test ${enable_fastimmfix+y}
 then :
   enableval=$enable_fastimmfix;
-else $as_nop
-  enable_fastimmfix=64
+else case e in #(
+  e) enable_fastimmfix=64 ;;
+esac
 fi
 
 
 
 if test "$use" != "386-gnu" ; then #hurd can push .data below C stack, but sbrk(0) remains above, foiling unexec
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking finding default linker script" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking finding default linker script" >&5
 printf %s "checking finding default linker script... " >&6; }
     touch unixport/gcl.script
     echo "int main() {return 0;}" >foo.c
@@ -7468,25 +7875,27 @@ printf %s "checking finding default linker script... " >&6; }
     rm -rf foo.c foo
 
     if test "`cat gcl.script | wc -l`" != "0" ; then
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: got it" >&5
-printf "%s\n" "got it" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: got it" >&5
+printf '%s\n' "got it" >&6; }
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking output_arch" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking output_arch" >&5
 printf %s "checking output_arch... " >&6; }
 	output_arch=`cat gcl.script |grep OUTPUT_ARCH|head -n 1|sed 's,.*(\(.*\)).*,\1,1'|cut -f1 -d:`;
 	if test "$output_arch" != "" ; then
 
-printf "%s\n" "#define OUTPUT_ARCH bfd_arch_${output_arch}" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define OUTPUT_ARCH bfd_arch_${output_arch}
+_ACEOF
 
-     	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: bfd_arch_${output_arch}" >&5
-printf "%s\n" "bfd_arch_${output_arch}" >&6; }
+     	    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: bfd_arch_${output_arch}" >&5
+printf '%s\n' "bfd_arch_${output_arch}" >&6; }
 	else
-     	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-printf "%s\n" "not found" >&6; }
+     	    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+printf '%s\n' "not found" >&6; }
 	fi
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying to adjust text start" >&5
-printf "%s\n" "$as_me: trying to adjust text start" >&6;}
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: trying to adjust text start" >&5
+printf '%s\n' "$as_me: trying to adjust text start" >&6;}
 	cp gcl.script gcl.script.def
 
 	n=-1;
@@ -7514,16 +7923,16 @@ printf "%s\n" "$as_me: trying to adjust text start" >&6;}
             n=`$AWK 'END {print n+1}' n=$n </dev/null`
 	done
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: min log text start $min" >&5
-printf "%s\n" "$as_me: min log text start $min" >&6;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: max log text start $max" >&5
-printf "%s\n" "$as_me: max log text start $max" >&6;}
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: min log text start $min" >&5
+printf '%s\n' "$as_me: min log text start $min" >&6;}
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: max log text start $max" >&5
+printf '%s\n' "$as_me: max log text start $max" >&6;}
 
 	if test $neg_cstack_address -eq 1 ; then #FIXME test this
       	    if test $cstack_bits -lt $max ; then
 		max=$cstack_bits;
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: max log text start reduced to $max considering c stack address" >&5
-printf "%s\n" "$as_me: max log text start reduced to $max considering c stack address" >&6;}
+		{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: max log text start reduced to $max considering c stack address" >&5
+printf '%s\n' "$as_me: max log text start reduced to $max considering c stack address" >&6;}
 	    fi
 	fi
 
@@ -7533,72 +7942,72 @@ printf "%s\n" "$as_me: max log text start reduced to $max considering c stack ad
             if test $max -ge $enable_fastimmfix && test "$enable_immfix" != "no" ; then
 	        j=`$AWK 'END {for (i=j=0;j<=n;j++) i=i ? i*2 : 1;printf("%x\n",3*i)}' n=$max </dev/null`
 		low_shft=`$AWK 'END {print n+1}' n=$max </dev/null`;
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: raising log text to 0x$j for a $max bit wide low immfix table" >&5
-printf "%s\n" "$as_me: raising log text to 0x$j for a $max bit wide low immfix table" >&6;}
+		{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: raising log text to 0x$j for a $max bit wide low immfix table" >&5
+printf '%s\n' "$as_me: raising log text to 0x$j for a $max bit wide low immfix table" >&6;}
             else
 	        j=`$AWK 'END {for (i=j=0;j<=n;j++) i=i ? i*2 : 1;printf("%x\n",3*i)}' n=$min </dev/null`
-		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: lowering log text to 0x$j to maximize data area" >&5
-printf "%s\n" "$as_me: lowering log text to 0x$j to maximize data area" >&6;}
+		{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: lowering log text to 0x$j to maximize data area" >&5
+printf '%s\n' "$as_me: lowering log text to 0x$j to maximize data area" >&6;}
 	    fi
 	fi
 
 	if test "$low_shft" != "" ; then
 
-printf "%s\n" "#define LOW_SHFT $low_shft" >>confdefs.h
+printf '%s\n' "#define LOW_SHFT $low_shft" >>confdefs.h
 
 
-printf "%s\n" "#define OBJNULL (object)0x$j" >>confdefs.h
+printf '%s\n' "#define OBJNULL (object)0x$j" >>confdefs.h
 
 	else
 
-printf "%s\n" "#define OBJNULL NULL" >>confdefs.h
+printf '%s\n' "#define OBJNULL NULL" >>confdefs.h
 
 	fi
 
 	#      echo $j;
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking our linker script" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking our linker script" >&5
 printf %s "checking our linker script... " >&6; }
 	if test "$j" != "-1" ; then
             cat gcl.script.def | $AWK '/SIZEOF_HEADERS/ {gsub("0x[0-9]*","0x" j,$0);} {print}' j=$j >gcl.script
-	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: done" >&5
-printf "%s\n" "done" >&6; }
+	    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: done" >&5
+printf '%s\n' "done" >&6; }
 	    rm -f gcl.script.def
 	    assert_arg_to_ldflags -Wl,-T,gcl.script
 	    cp gcl.script unixport
 	else
-	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none found or not needed" >&5
-printf "%s\n" "none found or not needed" >&6; }
+	    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none found or not needed" >&5
+printf '%s\n' "none found or not needed" >&6; }
 	    rm -f gcl.script gcl.script.def
 	fi
 	rm -rf foo.c foo
     else
 
-printf "%s\n" "#define OBJNULL NULL" >>confdefs.h
+printf '%s\n' "#define OBJNULL NULL" >>confdefs.h
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-printf "%s\n" "not found" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+printf '%s\n' "not found" >&6; }
     fi
 
 else
 
 
-printf "%s\n" "#define OBJNULL NULL" >>confdefs.h
+printf '%s\n' "#define OBJNULL NULL" >>confdefs.h
 
 
 fi
 
 mem_top=0
 mem_range=0
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking mem top" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking mem top" >&5
 printf %s "checking mem top... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -7632,27 +8041,29 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   mem_top=`cat conftest1`
-else $as_nop
-  mem_top="0x0"
+else case e in #(
+  e) mem_top="0x0" ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $mem_top" >&5
-printf "%s\n" "$mem_top" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $mem_top" >&5
+printf '%s\n' "$mem_top" >&6; }
 
 if test "$mem_top" != "0x0" ; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking finding upper mem half range" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking finding upper mem half range" >&5
 printf %s "checking finding upper mem half range... " >&6; }
     if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		    #include <stdio.h>
@@ -7676,21 +8087,23 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   mem_range=`cat conftest1`
-else $as_nop
-  mem_range="0x0"
+else case e in #(
+  e) mem_range="0x0" ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $mem_range" >&5
-printf "%s\n" "$mem_range" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $mem_range" >&5
+printf '%s\n' "$mem_range" >&6; }
     if test "$mem_range" != "0x0" ; then
 
-printf "%s\n" "#define MEM_TOP $mem_top" >>confdefs.h
+printf '%s\n' "#define MEM_TOP $mem_top" >>confdefs.h
 
 
-printf "%s\n" "#define MEM_RANGE $mem_range" >>confdefs.h
+printf '%s\n' "#define MEM_RANGE $mem_range" >>confdefs.h
 
     fi
 fi
@@ -7699,25 +8112,29 @@ if test "$enable_immfix" != "no" ; then
     if test "$mem_top" != "0x0" ; then
 	if test "$mem_range" != "0x0" ; then
 
-printf "%s\n" "#define IM_FIX_BASE ${mem_top}UL" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define IM_FIX_BASE ${mem_top}UL
+_ACEOF
 
 
-printf "%s\n" "#define IM_FIX_LIM ${mem_range}UL" >>confdefs.h
+cat >>confdefs.h <<_ACEOF
+#define IM_FIX_LIM ${mem_range}UL
+_ACEOF
 
 	fi
     fi
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sizeof long long int" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking sizeof long long int" >&5
 printf %s "checking sizeof long long int... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -7736,15 +8153,17 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_LONG_LONG 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf '%s\n' "#define HAVE_LONG_LONG 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -7755,15 +8174,15 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "dirent.h" "ac_cv_header_dirent_h" "$ac_includes_default"
 if test "x$ac_cv_header_dirent_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_DIRENT_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for d_type" >&5
+  printf '%s\n' "#define HAVE_DIRENT_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for d_type" >&5
 printf %s "checking for d_type... " >&6; }
 		 if test "$cross_compiling" = yes
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 				 #include <dirent.h>
@@ -7784,16 +8203,18 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-printf "%s\n" "#define HAVE_D_TYPE 1" >>confdefs.h
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+printf '%s\n' "#define HAVE_D_TYPE 1" >>confdefs.h
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 fi
@@ -7811,13 +8232,14 @@ then :
 		   CLSTANDARD=CLtL1
 	       else
 
-printf "%s\n" "#define ANSI_COMMON_LISP 1" >>confdefs.h
+printf '%s\n' "#define ANSI_COMMON_LISP 1" >>confdefs.h
 
 	       fi
-else $as_nop
-
-printf "%s\n" "#define ANSI_COMMON_LISP 1" >>confdefs.h
-
+else case e in #(
+  e)
+printf '%s\n' "#define ANSI_COMMON_LISP 1" >>confdefs.h
+ ;;
+esac
 fi
 
 
@@ -7834,14 +8256,14 @@ FLISP="saved_$SYSTEM"
 ac_fn_c_check_func "$LINENO" "getcwd" "ac_cv_func_getcwd"
 if test "x$ac_cv_func_getcwd" = xyes
 then :
-  printf "%s\n" "#define HAVE_GETCWD 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_GETCWD 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "getwd" "ac_cv_func_getwd"
 if test "x$ac_cv_func_getwd" = xyes
 then :
-  printf "%s\n" "#define HAVE_GETWD 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_GETWD 1" >>confdefs.h
 
 fi
 
@@ -7849,19 +8271,21 @@ ac_fn_c_check_func "$LINENO" "uname" "ac_cv_func_uname"
 if test "x$ac_cv_func_uname" = xyes
 then :
 
-else $as_nop
-
-printf "%s\n" "#define NO_UNAME 1" >>confdefs.h
-
+else case e in #(
+  e)
+printf '%s\n' "#define NO_UNAME 1" >>confdefs.h
+ ;;
+esac
 fi
 
 ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
 if test "x$ac_cv_func_gettimeofday" = xyes
 then :
 
-else $as_nop
-  printf "%s\n" "#define NO_GETTOD 1" >>confdefs.h
-
+else case e in #(
+  e) printf '%s\n' "#define NO_GETTOD 1" >>confdefs.h
+ ;;
+esac
 fi
 
 
@@ -7869,7 +8293,7 @@ fi
 ac_fn_c_check_header_compile "$LINENO" "sys/ioctl.h" "ac_cv_header_sys_ioctl_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_ioctl_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_SYS_IOCTL_H 1" >>confdefs.h
 
 fi
 
@@ -7878,13 +8302,13 @@ fi
 ac_fn_c_check_header_compile "$LINENO" "elf.h" "ac_cv_header_elf_h" "$ac_includes_default"
 if test "x$ac_cv_header_elf_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_ELF_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_ELF_H 1" >>confdefs.h
 
 fi
 ac_fn_c_check_header_compile "$LINENO" "elf_abi.h" "ac_cv_header_elf_abi_h" "$ac_includes_default"
 if test "x$ac_cv_header_elf_abi_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_ELF_ABI_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_ELF_ABI_H 1" >>confdefs.h
 
 fi
 
@@ -7892,7 +8316,7 @@ fi
 ac_fn_c_check_header_compile "$LINENO" "sys/sockio.h" "ac_cv_header_sys_sockio_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_sockio_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_SYS_SOCKIO_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_SYS_SOCKIO_H 1" >>confdefs.h
 
 fi
 
@@ -7913,30 +8337,32 @@ ac_fn_c_check_func "$LINENO" "BSDgettimeofday" "ac_cv_func_BSDgettimeofday"
 if test "x$ac_cv_func_BSDgettimeofday" = xyes
 then :
 
-printf "%s\n" "#define HAVE_BSDGETTIMEOFDAY 1" >>confdefs.h
+printf '%s\n' "#define HAVE_BSDGETTIMEOFDAY 1" >>confdefs.h
 
-else $as_nop
-  ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
+else case e in #(
+  e) ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
 if test "x$ac_cv_func_gettimeofday" = xyes
 then :
 
-else $as_nop
-
-printf "%s\n" "#define NO_GETTOD 1" >>confdefs.h
-
+else case e in #(
+  e)
+printf '%s\n' "#define NO_GETTOD 1" >>confdefs.h
+ ;;
+esac
 fi
-
+ ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
-printf %s "checking for grep that handles long lines and -e... " >&6; }
-if test ${ac_cv_path_GREP+y}
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for egrep -e" >&5
+printf %s "checking for egrep -e... " >&6; }
+if test ${ac_cv_path_EGREP_TRADITIONAL+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -z "$GREP"; then
-  ac_path_GREP_found=false
+else case e in #(
+  e) if test -z "$EGREP_TRADITIONAL"; then
+  ac_path_EGREP_TRADITIONAL_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
@@ -7950,13 +8376,14 @@ do
     for ac_prog in grep ggrep
    do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_GREP="$as_dir$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_GREP" || continue
-# Check for GNU ac_path_GREP and select it if it is found.
-  # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in
+      ac_path_EGREP_TRADITIONAL="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP_TRADITIONAL" || continue
+# Check for GNU ac_path_EGREP_TRADITIONAL and select it if it is found.
+  # Check for GNU $ac_path_EGREP_TRADITIONAL
+case `"$ac_path_EGREP_TRADITIONAL" --version 2>&1` in #(
 *GNU*)
-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
+  ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL" ac_path_EGREP_TRADITIONAL_found=:;;
+#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -7965,14 +8392,14 @@ case `"$ac_path_GREP" --version 2>&1` in
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'GREP' >> "conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    printf '%s\n' 'EGREP_TRADITIONAL' >> "conftest.nl"
+    "$ac_path_EGREP_TRADITIONAL" -E 'EGR(EP|AC)_TRADITIONAL$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+    if test $ac_count -gt ${ac_path_EGREP_TRADITIONAL_max-0}; then
       # Best one so far, save it but keep looking for a better one
-      ac_cv_path_GREP="$ac_path_GREP"
-      ac_path_GREP_max=$ac_count
+      ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL"
+      ac_path_EGREP_TRADITIONAL_max=$ac_count
     fi
     # 10*(2^10) chars as input seems more than enough
     test $ac_count -gt 10 && break
@@ -7980,35 +8407,24 @@ case `"$ac_path_GREP" --version 2>&1` in
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-      $ac_path_GREP_found && break 3
+      $ac_path_EGREP_TRADITIONAL_found && break 3
     done
   done
   done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_GREP"; then
-    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
+  if test -z "$ac_cv_path_EGREP_TRADITIONAL"; then
+    :
   fi
 else
-  ac_cv_path_GREP=$GREP
-fi
-
+  ac_cv_path_EGREP_TRADITIONAL=$EGREP_TRADITIONAL
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
-printf "%s\n" "$ac_cv_path_GREP" >&6; }
- GREP="$ac_cv_path_GREP"
-
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
-printf %s "checking for egrep... " >&6; }
-if test ${ac_cv_path_EGREP+y}
+    if test "$ac_cv_path_EGREP_TRADITIONAL"
 then :
-  printf %s "(cached) " >&6
-else $as_nop
-  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
-   then ac_cv_path_EGREP="$GREP -E"
-   else
-     if test -z "$EGREP"; then
-  ac_path_EGREP_found=false
+  ac_cv_path_EGREP_TRADITIONAL="$ac_cv_path_EGREP_TRADITIONAL -E"
+else case e in #(
+  e) if test -z "$EGREP_TRADITIONAL"; then
+  ac_path_EGREP_TRADITIONAL_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
@@ -8022,13 +8438,14 @@ do
     for ac_prog in egrep
    do
     for ac_exec_ext in '' $ac_executable_extensions; do
-      ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext"
-      as_fn_executable_p "$ac_path_EGREP" || continue
-# Check for GNU ac_path_EGREP and select it if it is found.
-  # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in
+      ac_path_EGREP_TRADITIONAL="$as_dir$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_EGREP_TRADITIONAL" || continue
+# Check for GNU ac_path_EGREP_TRADITIONAL and select it if it is found.
+  # Check for GNU $ac_path_EGREP_TRADITIONAL
+case `"$ac_path_EGREP_TRADITIONAL" --version 2>&1` in #(
 *GNU*)
-  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
+  ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL" ac_path_EGREP_TRADITIONAL_found=:;;
+#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -8037,14 +8454,14 @@ case `"$ac_path_EGREP" --version 2>&1` in
     cat "conftest.in" "conftest.in" >"conftest.tmp"
     mv "conftest.tmp" "conftest.in"
     cp "conftest.in" "conftest.nl"
-    printf "%s\n" 'EGREP' >> "conftest.nl"
-    "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    printf '%s\n' 'EGREP_TRADITIONAL' >> "conftest.nl"
+    "$ac_path_EGREP_TRADITIONAL" 'EGR(EP|AC)_TRADITIONAL$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
     as_fn_arith $ac_count + 1 && ac_count=$as_val
-    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+    if test $ac_count -gt ${ac_path_EGREP_TRADITIONAL_max-0}; then
       # Best one so far, save it but keep looking for a better one
-      ac_cv_path_EGREP="$ac_path_EGREP"
-      ac_path_EGREP_max=$ac_count
+      ac_cv_path_EGREP_TRADITIONAL="$ac_path_EGREP_TRADITIONAL"
+      ac_path_EGREP_TRADITIONAL_max=$ac_count
     fi
     # 10*(2^10) chars as input seems more than enough
     test $ac_count -gt 10 && break
@@ -8052,24 +8469,25 @@ case `"$ac_path_EGREP" --version 2>&1` in
   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 esac
 
-      $ac_path_EGREP_found && break 3
+      $ac_path_EGREP_TRADITIONAL_found && break 3
     done
   done
   done
 IFS=$as_save_IFS
-  if test -z "$ac_cv_path_EGREP"; then
+  if test -z "$ac_cv_path_EGREP_TRADITIONAL"; then
     as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
-  ac_cv_path_EGREP=$EGREP
+  ac_cv_path_EGREP_TRADITIONAL=$EGREP_TRADITIONAL
 fi
-
-   fi
+ ;;
+esac
+fi ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
-printf "%s\n" "$ac_cv_path_EGREP" >&6; }
- EGREP="$ac_cv_path_EGREP"
-
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP_TRADITIONAL" >&5
+printf '%s\n' "$ac_cv_path_EGREP_TRADITIONAL" >&6; }
+ EGREP_TRADITIONAL=$ac_cv_path_EGREP_TRADITIONAL
 
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8077,40 +8495,47 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "gettimeofday" >/dev/null 2>&1
+  $EGREP_TRADITIONAL "gettimeofday" >/dev/null 2>&1
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
 printf %s "checking for gettimeofday declaration... " >&6; }
-		 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: present" >&5
-printf "%s\n" "present" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
+		 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: present" >&5
+printf '%s\n' "present" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for gettimeofday declaration" >&5
 printf %s "checking for gettimeofday declaration... " >&6; }
-		 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: missing" >&5
-printf "%s\n" "missing" >&6; }
-
-printf "%s\n" "#define GETTOD_NOT_DECLARED 1" >>confdefs.h
+		 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: missing" >&5
+printf '%s\n' "missing" >&6; }
 
+printf '%s\n' "#define GETTOD_NOT_DECLARED 1" >>confdefs.h
+ ;;
+esac
 fi
 rm -rf conftest*
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sin in -lm" >&5
 printf %s "checking for sin in -lm... " >&6; }
 if test ${ac_cv_lib_m_sin+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lm  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char sin ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char sin (void);
 int
 main (void)
 {
@@ -8122,29 +8547,32 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_m_sin=yes
-else $as_nop
-  ac_cv_lib_m_sin=no
+else case e in #(
+  e) ac_cv_lib_m_sin=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
-printf "%s\n" "$ac_cv_lib_m_sin" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_m_sin" >&5
+printf '%s\n' "$ac_cv_lib_m_sin" >&6; }
 if test "x$ac_cv_lib_m_sin" = xyes
 then :
   LIBS="${LIBS} -lm"
-else $as_nop
-  true
+else case e in #(
+  e) true ;;
+esac
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lmingwex" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for main in -lmingwex" >&5
 printf %s "checking for main in -lmingwex... " >&6; }
 if test ${ac_cv_lib_mingwex_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lmingwex  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8161,33 +8589,36 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_mingwex_main=yes
-else $as_nop
-  ac_cv_lib_mingwex_main=no
+else case e in #(
+  e) ac_cv_lib_mingwex_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mingwex_main" >&5
-printf "%s\n" "$ac_cv_lib_mingwex_main" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_mingwex_main" >&5
+printf '%s\n' "$ac_cv_lib_mingwex_main" >&6; }
 if test "x$ac_cv_lib_mingwex_main" = xyes
 then :
   LIBS="${LIBS} -lmingwex"
-else $as_nop
-  true
+else case e in #(
+  e) true ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for buggy maximum sscanf length" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for buggy maximum sscanf length" >&5
 printf %s "checking for buggy maximum sscanf length... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#include <stdio.h>
@@ -8213,18 +8644,20 @@ main (void)
 _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none" >&5
-printf "%s\n" "none" >&6; }
-else $as_nop
-  buggy_maximum_sscanf_length=`cat conftest1`
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $buggy_maximum_sscanf_length" >&5
-printf "%s\n" "$buggy_maximum_sscanf_length" >&6; }
-
-printf "%s\n" "#define BUGGY_MAXIMUM_SSCANF_LENGTH $buggy_maximum_sscanf_length" >>confdefs.h
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: none" >&5
+printf '%s\n' "none" >&6; }
+else case e in #(
+  e) buggy_maximum_sscanf_length=`cat conftest1`
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $buggy_maximum_sscanf_length" >&5
+printf '%s\n' "$buggy_maximum_sscanf_length" >&6; }
 
+printf '%s\n' "#define BUGGY_MAXIMUM_SSCANF_LENGTH $buggy_maximum_sscanf_length" >>confdefs.h
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -8239,8 +8672,8 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "japi.h" "ac_cv_header_japi_h" "$ac_includes_default"
 if test "x$ac_cv_header_japi_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_JAPI_H 1" >>confdefs.h
- printf "%s\n" "#define HAVE_JAPI_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_JAPI_H 1" >>confdefs.h
+ printf '%s\n' "#define HAVE_JAPI_H 1" >>confdefs.h
 
 				     EXTRA_LOBJS="${EXTRA_LOBJS} gcl_japi.o"
 				     LIBS="${LIBS} -ljapi -lwsock32"
@@ -8259,9 +8692,9 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "math.h" "ac_cv_header_math_h" "$ac_includes_default"
 if test "x$ac_cv_header_math_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_MATH_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_MATH_H 1" >>confdefs.h
 
-printf "%s\n" "#define HAVE_MATH_H 1" >>confdefs.h
+printf '%s\n' "#define HAVE_MATH_H 1" >>confdefs.h
 
 fi
 
@@ -8271,9 +8704,9 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "complex.h" "ac_cv_header_complex_h" "$ac_includes_default"
 if test "x$ac_cv_header_complex_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_COMPLEX_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_COMPLEX_H 1" >>confdefs.h
 
-printf "%s\n" "#define HAVE_COMPLEX_H 1" >>confdefs.h
+printf '%s\n' "#define HAVE_COMPLEX_H 1" >>confdefs.h
 
 fi
 
@@ -8287,9 +8720,9 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "values.h" "ac_cv_header_values_h" "$ac_includes_default"
 if test "x$ac_cv_header_values_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_VALUES_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_VALUES_H 1" >>confdefs.h
 
-printf "%s\n" "#define HAVE_VALUES_H 1" >>confdefs.h
+printf '%s\n' "#define HAVE_VALUES_H 1" >>confdefs.h
 
 fi
 
@@ -8303,9 +8736,9 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "float.h" "ac_cv_header_float_h" "$ac_includes_default"
 if test "x$ac_cv_header_float_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_FLOAT_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_FLOAT_H 1" >>confdefs.h
 
-printf "%s\n" "#define HAVE_FLOAT_H 1" >>confdefs.h
+printf '%s\n' "#define HAVE_FLOAT_H 1" >>confdefs.h
 
 fi
 
@@ -8316,16 +8749,16 @@ done
 # a more comprehensive later, i.e. checking that the fpclass
 # test makes sense.  CM
 #
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for isnormal" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for isnormal" >&5
 printf %s "checking for isnormal... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#define _GNU_SOURCE
@@ -8345,20 +8778,20 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_ISNORMAL 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fpclass of ieeefp.h" >&5
+printf '%s\n' "#define HAVE_ISNORMAL 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for fpclass of ieeefp.h" >&5
 printf %s "checking for fpclass of ieeefp.h... " >&6; }
      if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		     #include <ieeefp.h>
@@ -8377,33 +8810,37 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_IEEEFP 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+printf '%s\n' "#define HAVE_IEEEFP 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for isfinite" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for isfinite" >&5
 printf %s "checking for isfinite... " >&6; }
 if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		#define _GNU_SOURCE
@@ -8423,20 +8860,20 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_ISFINITE 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for finite()" >&5
+printf '%s\n' "#define HAVE_ISFINITE 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for finite()" >&5
 printf %s "checking for finite()... " >&6; }
      if test "$cross_compiling" = yes
 then :
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+  { { printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf '%s\n' "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot run test program while cross compiling
-See \`config.log' for more details" "$LINENO" 5; }
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 		     #include <math.h>
@@ -8456,19 +8893,23 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_FINITE 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  as_fn_error $? "no" "$LINENO" 5
+printf '%s\n' "#define HAVE_FINITE 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) as_fn_error $? "no" "$LINENO" 5 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-
+ ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
@@ -8489,25 +8930,26 @@ fi
 #	   To get around this problem, check for both libraries together
 #	   if -lsocket doesn't work by itself.
 #--------------------------------------------------------------------
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sockets" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sockets" >&5
 printf %s "checking for sockets... " >&6; }
 tcl_checkBoth=0
 ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect"
 if test "x$ac_cv_func_connect" = xyes
 then :
   tcl_checkSocket=0
-else $as_nop
-  tcl_checkSocket=1
+else case e in #(
+  e) tcl_checkSocket=1 ;;
+esac
 fi
 
 if test "$tcl_checkSocket" = 1; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lsocket" >&5
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for main in -lsocket" >&5
 printf %s "checking for main in -lsocket... " >&6; }
 if test ${ac_cv_lib_socket_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8524,20 +8966,23 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_socket_main=yes
-else $as_nop
-  ac_cv_lib_socket_main=no
+else case e in #(
+  e) ac_cv_lib_socket_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_main" >&5
-printf "%s\n" "$ac_cv_lib_socket_main" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_main" >&5
+printf '%s\n' "$ac_cv_lib_socket_main" >&6; }
 if test "x$ac_cv_lib_socket_main" = xyes
 then :
   TLIBS="$TLIBS -lsocket"
-else $as_nop
-  tcl_checkBoth=1
+else case e in #(
+  e) tcl_checkBoth=1 ;;
+esac
 fi
 
 fi
@@ -8550,8 +8995,9 @@ if test "$tcl_checkBoth" = 1; then
 if test "x$ac_cv_func_accept" = xyes
 then :
   tcl_checkNsl=0
-else $as_nop
-  TLIBS=$tk_oldLibs
+else case e in #(
+  e) TLIBS=$tk_oldLibs ;;
+esac
 fi
 
 fi
@@ -8559,14 +9005,14 @@ ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname"
 if test "x$ac_cv_func_gethostbyname" = xyes
 then :
 
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lnsl" >&5
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for main in -lnsl" >&5
 printf %s "checking for main in -lnsl... " >&6; }
 if test ${ac_cv_lib_nsl_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8583,20 +9029,23 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_nsl_main=yes
-else $as_nop
-  ac_cv_lib_nsl_main=no
+else case e in #(
+  e) ac_cv_lib_nsl_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_main" >&5
-printf "%s\n" "$ac_cv_lib_nsl_main" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_main" >&5
+printf '%s\n' "$ac_cv_lib_nsl_main" >&6; }
 if test "x$ac_cv_lib_nsl_main" = xyes
 then :
   TLIBS="$TLIBS -lnsl"
 fi
-
+ ;;
+esac
 fi
 
 
@@ -8620,22 +9069,28 @@ do :
 "
 if test "x$ac_cv_header_readline_readline_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_READLINE_READLINE_H 1" >>confdefs.h
- { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for rl_initialize in -lreadline" >&5
+  printf '%s\n' "#define HAVE_READLINE_READLINE_H 1" >>confdefs.h
+ { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for rl_initialize in -lreadline" >&5
 printf %s "checking for rl_initialize in -lreadline... " >&6; }
 if test ${ac_cv_lib_readline_rl_initialize+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lreadline  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char rl_initialize ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char rl_initialize (void);
 int
 main (void)
 {
@@ -8647,35 +9102,43 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_readline_rl_initialize=yes
-else $as_nop
-  ac_cv_lib_readline_rl_initialize=no
+else case e in #(
+  e) ac_cv_lib_readline_rl_initialize=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_initialize" >&5
-printf "%s\n" "$ac_cv_lib_readline_rl_initialize" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_initialize" >&5
+printf '%s\n' "$ac_cv_lib_readline_rl_initialize" >&6; }
 if test "x$ac_cv_lib_readline_rl_initialize" = xyes
 then :
 
-printf "%s\n" "#define USE_READLINE 1" >>confdefs.h
+printf '%s\n' "#define USE_READLINE 1" >>confdefs.h
 
-				 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for el_getc in -lreadline" >&5
+				 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for el_getc in -lreadline" >&5
 printf %s "checking for el_getc in -lreadline... " >&6; }
 if test ${ac_cv_lib_readline_el_getc+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lreadline  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char el_getc ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char el_getc (void);
 int
 main (void)
 {
@@ -8687,38 +9150,46 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_readline_el_getc=yes
-else $as_nop
-  ac_cv_lib_readline_el_getc=no
+else case e in #(
+  e) ac_cv_lib_readline_el_getc=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_el_getc" >&5
-printf "%s\n" "$ac_cv_lib_readline_el_getc" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_el_getc" >&5
+printf '%s\n' "$ac_cv_lib_readline_el_getc" >&6; }
 if test "x$ac_cv_lib_readline_el_getc" = xyes
 then :
 
-printf "%s\n" "#define READLINE_IS_EDITLINE 1" >>confdefs.h
+printf '%s\n' "#define READLINE_IS_EDITLINE 1" >>confdefs.h
 
 fi
 
 				 # These tests discover differences between readline 4.1 and 4.3
-				 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for rl_completion_matches in -lreadline" >&5
+				 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for rl_completion_matches in -lreadline" >&5
 printf %s "checking for rl_completion_matches in -lreadline... " >&6; }
 if test ${ac_cv_lib_readline_rl_completion_matches+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lreadline  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char rl_completion_matches ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char rl_completion_matches (void);
 int
 main (void)
 {
@@ -8730,26 +9201,28 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_readline_rl_completion_matches=yes
-else $as_nop
-  ac_cv_lib_readline_rl_completion_matches=no
+else case e in #(
+  e) ac_cv_lib_readline_rl_completion_matches=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_matches" >&5
-printf "%s\n" "$ac_cv_lib_readline_rl_completion_matches" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_rl_completion_matches" >&5
+printf '%s\n' "$ac_cv_lib_readline_rl_completion_matches" >&6; }
 if test "x$ac_cv_lib_readline_rl_completion_matches" = xyes
 then :
 
-printf "%s\n" "#define HAVE_DECL_RL_COMPLETION_MATCHES 1" >>confdefs.h
+printf '%s\n' "#define HAVE_DECL_RL_COMPLETION_MATCHES 1" >>confdefs.h
 
 
-printf "%s\n" "#define HAVE_RL_COMPENTRY_FUNC_T 1" >>confdefs.h
+printf '%s\n' "#define HAVE_RL_COMPENTRY_FUNC_T 1" >>confdefs.h
 
 fi
 
-			         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_FUNCTION" >&5
+			         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_FUNCTION" >&5
 printf %s "checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_FUNCTION... " >&6; }
                                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8769,14 +9242,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define RL_COMPLETION_ENTRY_FUNCTION_TYPE_FUNCTION 1" >>confdefs.h
+printf '%s\n' "#define RL_COMPLETION_ENTRY_FUNCTION_TYPE_FUNCTION 1" >>confdefs.h
 
-                                         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-                                         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_RL_COMPENTRY_FUNC_T" >&5
+                                         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+                                         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_RL_COMPENTRY_FUNC_T" >&5
 printf %s "checking RL_COMPLETION_ENTRY_FUNCTION_TYPE_RL_COMPENTRY_FUNC_T... " >&6; }
                                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8796,20 +9269,22 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define RL_COMPLETION_ENTRY_FUNCTION_TYPE_RL_COMPENTRY_FUNC_T 1" >>confdefs.h
+printf '%s\n' "#define RL_COMPLETION_ENTRY_FUNCTION_TYPE_RL_COMPENTRY_FUNC_T 1" >>confdefs.h
 
-	                                         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-	                                         as_fn_error $? "Unknown rl_completion_entry_function return type" "$LINENO" 5
+	                                         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+	                                         as_fn_error $? "Unknown rl_completion_entry_function return type" "$LINENO" 5 ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-                                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking RL_READLINE_NAME_TYPE_CHAR" >&5
+                                 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking RL_READLINE_NAME_TYPE_CHAR" >&5
 printf %s "checking RL_READLINE_NAME_TYPE_CHAR... " >&6; }
                                  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8829,14 +9304,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define RL_READLINE_NAME_TYPE_CHAR 1" >>confdefs.h
+printf '%s\n' "#define RL_READLINE_NAME_TYPE_CHAR 1" >>confdefs.h
 
-                                         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-                                         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking RL_READLINE_NAME_TYPE_CONST_CHAR" >&5
+                                         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+                                         { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking RL_READLINE_NAME_TYPE_CONST_CHAR" >&5
 printf %s "checking RL_READLINE_NAME_TYPE_CONST_CHAR... " >&6; }
                                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8856,16 +9331,18 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define RL_READLINE_NAME_TYPE_CONST_CHAR 1" >>confdefs.h
+printf '%s\n' "#define RL_READLINE_NAME_TYPE_CONST_CHAR 1" >>confdefs.h
 
-                                                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
-						 as_fn_error $? "Unknown rl_readline_name return type" "$LINENO" 5
+                                                 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
+						 as_fn_error $? "Unknown rl_readline_name return type" "$LINENO" 5 ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 			 	 TLIBS="$TLIBS -lreadline" #some machines don't link this, e.g. Slackware
@@ -8882,7 +9359,7 @@ fi
 
 # sockets
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking For network code for nsocket.c" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking For network code for nsocket.c" >&5
 printf %s "checking For network code for nsocket.c... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8919,19 +9396,20 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_NSOCKET 1" >>confdefs.h
+printf '%s\n' "#define HAVE_NSOCKET 1" >>confdefs.h
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking check for listen using fcntl" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking check for listen using fcntl" >&5
 printf %s "checking check for listen using fcntl... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -8955,13 +9433,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define LISTEN_USE_FCNTL 1" >>confdefs.h
+printf '%s\n' "#define LISTEN_USE_FCNTL 1" >>confdefs.h
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -8970,10 +9449,11 @@ ac_fn_c_check_func "$LINENO" "profil" "ac_cv_func_profil"
 if test "x$ac_cv_func_profil" = xyes
 then :
 
-else $as_nop
-
-printf "%s\n" "#define NO_PROFILE 1" >>confdefs.h
-
+else case e in #(
+  e)
+printf '%s\n' "#define NO_PROFILE 1" >>confdefs.h
+ ;;
+esac
 fi
 
 
@@ -8981,10 +9461,11 @@ ac_fn_c_check_func "$LINENO" "setenv" "ac_cv_func_setenv"
 if test "x$ac_cv_func_setenv" = xyes
 then :
 
-printf "%s\n" "#define HAVE_SETENV 1" >>confdefs.h
+printf '%s\n' "#define HAVE_SETENV 1" >>confdefs.h
 
-else $as_nop
-  no_setenv=1
+else case e in #(
+  e) no_setenv=1  ;;
+esac
 fi
 
 
@@ -8993,7 +9474,7 @@ if test "$no_setenv" = "1" ; then
 if test "x$ac_cv_func_putenv" = xyes
 then :
 
-printf "%s\n" "#define HAVE_PUTENV 1" >>confdefs.h
+printf '%s\n' "#define HAVE_PUTENV 1" >>confdefs.h
 
 fi
 
@@ -9004,46 +9485,46 @@ ac_fn_c_check_func "$LINENO" "_cleanup" "ac_cv_func__cleanup"
 if test "x$ac_cv_func__cleanup" = xyes
 then :
 
-printf "%s\n" "#define USE_CLEANUP 1" >>confdefs.h
+printf '%s\n' "#define USE_CLEANUP 1" >>confdefs.h
 
 fi
 
 
 gcl_ok=no
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking FIONBIO vs. O_NONBLOCK for nonblocking I/O" >&5
 printf %s "checking FIONBIO vs. O_NONBLOCK for nonblocking I/O... " >&6; }
 
 case $system in
     OSF*)
 
-printf "%s\n" "#define USE_FIONBIO 1" >>confdefs.h
+printf '%s\n' "#define USE_FIONBIO 1" >>confdefs.h
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
-printf "%s\n" "FIONBIO" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
+printf '%s\n' "FIONBIO" >&6; }
 	;;
     SunOS-4*)
 
-printf "%s\n" "#define USE_FIONBIO 1" >>confdefs.h
+printf '%s\n' "#define USE_FIONBIO 1" >>confdefs.h
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
-printf "%s\n" "FIONBIO" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
+printf '%s\n' "FIONBIO" >&6; }
 	;;
     ULTRIX-4.*)
 
-printf "%s\n" "#define USE_FIONBIO 1" >>confdefs.h
+printf '%s\n' "#define USE_FIONBIO 1" >>confdefs.h
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
-printf "%s\n" "FIONBIO" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: FIONBIO" >&5
+printf '%s\n' "FIONBIO" >&6; }
 	;;
     *)
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: O_NONBLOCK" >&5
-printf "%s\n" "O_NONBLOCK" >&6; }
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: O_NONBLOCK" >&5
+printf '%s\n' "O_NONBLOCK" >&6; }
 	;;
 esac
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking check for SV_ONSTACK" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking check for SV_ONSTACK" >&5
 printf %s "checking check for SV_ONSTACK... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9062,18 +9543,19 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_SV_ONSTACK 1" >>confdefs.h
+printf '%s\n' "#define HAVE_SV_ONSTACK 1" >>confdefs.h
 
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking check for SIGSYS" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking check for SIGSYS" >&5
 printf %s "checking check for SIGSYS... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9092,19 +9574,20 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_SIGSYS 1" >>confdefs.h
+printf '%s\n' "#define HAVE_SIGSYS 1" >>confdefs.h
 
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking check for SIGEMT" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking check for SIGEMT" >&5
 printf %s "checking check for SIGEMT... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9123,28 +9606,29 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_SIGEMT 1" >>confdefs.h
+printf '%s\n' "#define HAVE_SIGEMT 1" >>confdefs.h
 
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf '%s\n' "yes" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; } ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 ac_fn_c_check_func "$LINENO" "sigaltstack" "ac_cv_func_sigaltstack"
 if test "x$ac_cv_func_sigaltstack" = xyes
 then :
-  printf "%s\n" "#define HAVE_SIGALTSTACK 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_SIGALTSTACK 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_func "$LINENO" "feenableexcept" "ac_cv_func_feenableexcept"
 if test "x$ac_cv_func_feenableexcept" = xyes
 then :
-  printf "%s\n" "#define HAVE_FEENABLEEXCEPT 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_FEENABLEEXCEPT 1" >>confdefs.h
 
 fi
 
@@ -9154,23 +9638,29 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "dis-asm.h" "ac_cv_header_dis_asm_h" "$ac_includes_default"
 if test "x$ac_cv_header_dis_asm_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_DIS_ASM_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_DIS_ASM_H 1" >>confdefs.h
  MLIBS=$LIBS
-		 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for init_disassemble_info in -lopcodes" >&5
+		 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for init_disassemble_info in -lopcodes" >&5
 printf %s "checking for init_disassemble_info in -lopcodes... " >&6; }
 if test ${ac_cv_lib_opcodes_init_disassemble_info+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lopcodes  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char init_disassemble_info ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char init_disassemble_info (void);
 int
 main (void)
 {
@@ -9182,38 +9672,46 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_opcodes_init_disassemble_info=yes
-else $as_nop
-  ac_cv_lib_opcodes_init_disassemble_info=no
+else case e in #(
+  e) ac_cv_lib_opcodes_init_disassemble_info=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_opcodes_init_disassemble_info" >&5
-printf "%s\n" "$ac_cv_lib_opcodes_init_disassemble_info" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_opcodes_init_disassemble_info" >&5
+printf '%s\n' "$ac_cv_lib_opcodes_init_disassemble_info" >&6; }
 if test "x$ac_cv_lib_opcodes_init_disassemble_info" = xyes
 then :
-  printf "%s\n" "#define HAVE_LIBOPCODES 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_LIBOPCODES 1" >>confdefs.h
 
   LIBS="-lopcodes $LIBS"
 
 fi
 
-		 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+		 { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-char dlopen ();
+   builtin and then its argument prototype would still apply.
+   The 'extern "C"' is for builds by C++ compilers;
+   although this is not generally supported in C code supporting it here
+   has little cost and some practical benefit (sr 110532).  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen (void);
 int
 main (void)
 {
@@ -9225,15 +9723,17 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else $as_nop
-  ac_cv_lib_dl_dlopen=no
+else case e in #(
+  e) ac_cv_lib_dl_dlopen=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
-printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
+printf '%s\n' "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
   #opcodes changes too quickly to link directly
@@ -9248,18 +9748,18 @@ done
 ac_fn_c_check_header_compile "$LINENO" "asm/sigcontext.h" "ac_cv_header_asm_sigcontext_h" "$ac_includes_default"
 if test "x$ac_cv_header_asm_sigcontext_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_ASM_SIGCONTEXT_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_ASM_SIGCONTEXT_H 1" >>confdefs.h
 
 fi
 
 ac_fn_c_check_header_compile "$LINENO" "asm/signal.h" "ac_cv_header_asm_signal_h" "$ac_includes_default"
 if test "x$ac_cv_header_asm_signal_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_ASM_SIGNAL_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_ASM_SIGNAL_H 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sigcontext..." >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sigcontext..." >&5
 printf %s "checking for sigcontext...... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9279,14 +9779,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define SIGNAL_H_HAS_SIGCONTEXT 1" >>confdefs.h
+printf '%s\n' "#define SIGNAL_H_HAS_SIGCONTEXT 1" >>confdefs.h
 
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: sigcontext of signal.h" >&5
-printf "%s\n" "sigcontext of signal.h" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: sigcontext NOT of signal.h" >&5
-printf "%s\n" "sigcontext NOT of signal.h" >&6; }
-     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sigcontext..." >&5
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: sigcontext of signal.h" >&5
+printf '%s\n' "sigcontext of signal.h" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: sigcontext NOT of signal.h" >&5
+printf '%s\n' "sigcontext NOT of signal.h" >&6; }
+     { printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for sigcontext..." >&5
 printf %s "checking for sigcontext...... " >&6; }
      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9312,27 +9812,29 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-printf "%s\n" "#define HAVE_SIGCONTEXT 1" >>confdefs.h
+printf '%s\n' "#define HAVE_SIGCONTEXT 1" >>confdefs.h
 
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: sigcontext asm files" >&5
-printf "%s\n" "sigcontext asm files" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no sigcontext found" >&5
-printf "%s\n" "no sigcontext found" >&6; }
+	  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: sigcontext asm files" >&5
+printf '%s\n' "sigcontext asm files" >&6; }
+else case e in #(
+  e) { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no sigcontext found" >&5
+printf '%s\n' "no sigcontext found" >&6; } ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 # Extract the first word of "emacs", so it can be a program name with args.
 set dummy emacs; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_path_EMACS+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  case $EMACS in
+else case e in #(
+  e) case $EMACS in
   [\\/]* | ?:[\\/]*)
   ac_cv_path_EMACS="$EMACS" # Let the user override the test with a path.
   ;;
@@ -9349,7 +9851,7 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_path_EMACS="$as_dir$ac_word$ac_exec_ext"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -9357,15 +9859,16 @@ done
 IFS=$as_save_IFS
 
   ;;
+esac ;;
 esac
 fi
 EMACS=$ac_cv_path_EMACS
 if test -n "$EMACS"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $EMACS" >&5
-printf "%s\n" "$EMACS" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $EMACS" >&5
+printf '%s\n' "$EMACS" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -9384,7 +9887,7 @@ cat >> conftest.el <<EOF
   (message ans))
 EOF
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking emacs site lisp directory" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking emacs site lisp directory" >&5
 printf %s "checking emacs site lisp directory... " >&6; }
 if [ "$EMACS_SITE_LISP" = "unknown" ] ; then
     if [ "$EMACS" != "" ] ; then
@@ -9393,8 +9896,8 @@ if [ "$EMACS_SITE_LISP" = "unknown" ] ; then
 	EMACS_SITE_LISP=""
     fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $EMACS_SITE_LISP" >&5
-printf "%s\n" "$EMACS_SITE_LISP" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $EMACS_SITE_LISP" >&5
+printf '%s\n' "$EMACS_SITE_LISP" >&6; }
 
 
 # check for where the emacs site lisp default.el is
@@ -9409,7 +9912,7 @@ cat >> conftest.el <<EOF
   (message ans))
 EOF
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking emacs default.el" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking emacs default.el" >&5
 printf %s "checking emacs default.el... " >&6; }
 if [ "$EMACS" != "" ] ; then
     EMACS_DEFAULT_EL=`$EMACS -q -batch --no-site-file -l conftest.el 2>&1 | sed -e /Loading/d | sed -e /load/d |sed -e /Warning:/d`
@@ -9421,8 +9924,8 @@ if  test -f "${EMACS_DEFAULT_EL}"  ; then true;else
 	EMACS_DEFAULT_EL=${EMACS_SITE_LISP}/default.el
     fi
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $EMACS_DEFAULT_EL" >&5
-printf "%s\n" "$EMACS_DEFAULT_EL" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $EMACS_DEFAULT_EL" >&5
+printf '%s\n' "$EMACS_DEFAULT_EL" >&6; }
 
 
 
@@ -9439,7 +9942,7 @@ cat >> conftest.el <<EOF
   (message ans))
 EOF
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking emacs info/dir" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking emacs info/dir" >&5
 printf %s "checking emacs info/dir... " >&6; }
 if test "$use" = "mingw" ; then
     INFO_DIR=\$\(prefix\)/lib/gcl-$VERSION/info/
@@ -9449,8 +9952,8 @@ else
     fi
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $INFO_DIR" >&5
-printf "%s\n" "$INFO_DIR" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $INFO_DIR" >&5
+printf '%s\n' "$INFO_DIR" >&6; }
 
 
 # Check whether --enable-tcltk was given.
@@ -9463,16 +9966,18 @@ fi
 if test ${enable_tkconfig+y}
 then :
   enableval=$enable_tkconfig; TK_CONFIG_PREFIX=$enableval
-else $as_nop
-  TK_CONFIG_PREFIX=unknown
+else case e in #(
+  e) TK_CONFIG_PREFIX=unknown ;;
+esac
 fi
 
 # Check whether --enable-tclconfig was given.
 if test ${enable_tclconfig+y}
 then :
   enableval=$enable_tclconfig; TCL_CONFIG_PREFIX=$enableval
-else $as_nop
-  TCL_CONFIG_PREFIX=unknown
+else case e in #(
+  e) TCL_CONFIG_PREFIX=unknown ;;
+esac
 fi
 
 
@@ -9482,13 +9987,13 @@ if test "$enable_tcltk" != "no" ; then
 
 	# Extract the first word of "tclsh", so it can be a program name with args.
 set dummy tclsh; ac_word=$2
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_TCLSH+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$TCLSH"; then
+else case e in #(
+  e) if test -n "$TCLSH"; then
   ac_cv_prog_TCLSH="$TCLSH" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -9503,7 +10008,7 @@ do
     for ac_exec_ext in '' $ac_executable_extensions; do
   if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then
     ac_cv_prog_TCLSH="tclsh"
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
@@ -9511,15 +10016,16 @@ done
 IFS=$as_save_IFS
 
   test -z "$ac_cv_prog_TCLSH" && ac_cv_prog_TCLSH="${TCLSH}"
-fi
+fi ;;
+esac
 fi
 TCLSH=$ac_cv_prog_TCLSH
 if test -n "$TCLSH"; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $TCLSH" >&5
-printf "%s\n" "$TCLSH" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $TCLSH" >&5
+printf '%s\n' "$TCLSH" >&6; }
 else
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; }
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf '%s\n' "no" >&6; }
 fi
 
 
@@ -9593,13 +10099,13 @@ EOF
 	TCL_LIBS="-L${TK_CONFIG_PREFIX}/../bin -ltk${TCL_VERSION_DOT_FREE} -ltcl${TCL_VERSION_DOT_FREE}"
 	TCL_STUB_LIBS="-L${TK_CONFIG_PREFIX}/lib -ltkstub${TCL_VERSION_DOT_FREE} -ltclstub${TCL_VERSION_DOT_FREE}"
     else
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -llieee" >&5
+	{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for main in -llieee" >&5
 printf %s "checking for main in -llieee... " >&6; }
 if test ${ac_cv_lib_lieee_main+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-llieee  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -9616,20 +10122,23 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_lieee_main=yes
-else $as_nop
-  ac_cv_lib_lieee_main=no
+else case e in #(
+  e) ac_cv_lib_lieee_main=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lieee_main" >&5
-printf "%s\n" "$ac_cv_lib_lieee_main" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_lieee_main" >&5
+printf '%s\n' "$ac_cv_lib_lieee_main" >&6; }
 if test "x$ac_cv_lib_lieee_main" = xyes
 then :
   have_ieee=1
-else $as_nop
-  have_ieee=0
+else case e in #(
+  e) have_ieee=0 ;;
+esac
 fi
 
 	if test "$have_ieee" = "0" ; then
@@ -9660,14 +10169,14 @@ fi
 
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tcl/tk" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for tcl/tk" >&5
 printf %s "checking for tcl/tk... " >&6; }
 if test -d "${TK_CONFIG_PREFIX}" ; then
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: using TK_VERSION=${TK_VERSION} of ${TK_CONFIG_PREFIX}" >&5
-printf "%s\n" "using TK_VERSION=${TK_VERSION} of ${TK_CONFIG_PREFIX}" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: using TK_VERSION=${TK_VERSION} of ${TK_CONFIG_PREFIX}" >&5
+printf '%s\n' "using TK_VERSION=${TK_VERSION} of ${TK_CONFIG_PREFIX}" >&6; }
 else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: not found" >&5
-printf "%s\n" "not found" >&6; }
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: not found" >&5
+printf '%s\n' "not found" >&6; }
 fi
 
 # Check whether --enable-notify was given.
@@ -9687,11 +10196,11 @@ do :
   ac_fn_c_check_header_compile "$LINENO" "sys/mman.h" "ac_cv_header_sys_mman_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_mman_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_SYS_MMAN_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_SYS_MMAN_H 1" >>confdefs.h
  ac_fn_c_check_func "$LINENO" "mprotect" "ac_cv_func_mprotect"
 if test "x$ac_cv_func_mprotect" = xyes
 then :
-  printf "%s\n" "#define HAVE_MPROTECT 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_MPROTECT 1" >>confdefs.h
 
 fi
 
@@ -9701,7 +10210,7 @@ done
 ac_fn_c_check_header_compile "$LINENO" "alloca.h" "ac_cv_header_alloca_h" "$ac_includes_default"
 if test "x$ac_cv_header_alloca_h" = xyes
 then :
-  printf "%s\n" "#define HAVE_ALLOCA_H 1" >>confdefs.h
+  printf '%s\n' "#define HAVE_ALLOCA_H 1" >>confdefs.h
 
 fi
 
@@ -9709,21 +10218,22 @@ ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 if test "x$ac_cv_type_size_t" = xyes
 then :
 
-else $as_nop
-
-printf "%s\n" "#define size_t unsigned int" >>confdefs.h
-
+else case e in #(
+  e)
+printf '%s\n' "#define size_t unsigned int" >>confdefs.h
+ ;;
+esac
 fi
 
 # The Ultrix 4.2 mips builtin alloca declared by alloca.h only works
 # for constant arguments.  Useless!
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for working alloca.h" >&5
 printf %s "checking for working alloca.h... " >&6; }
 if test ${ac_cv_working_alloca_h+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <alloca.h>
 int
@@ -9738,29 +10248,31 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_working_alloca_h=yes
-else $as_nop
-  ac_cv_working_alloca_h=no
+else case e in #(
+  e) ac_cv_working_alloca_h=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext
+    conftest$ac_exeext conftest.$ac_ext ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
-printf "%s\n" "$ac_cv_working_alloca_h" >&6; }
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_working_alloca_h" >&5
+printf '%s\n' "$ac_cv_working_alloca_h" >&6; }
 if test $ac_cv_working_alloca_h = yes; then
 
-printf "%s\n" "#define HAVE_ALLOCA_H 1" >>confdefs.h
+printf '%s\n' "#define HAVE_ALLOCA_H 1" >>confdefs.h
 
 fi
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking for alloca" >&5
 printf %s "checking for alloca... " >&6; }
 if test ${ac_cv_func_alloca_works+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test $ac_cv_working_alloca_h = yes; then
-  ac_cv_func_alloca_works=yes
-else
+else case e in #(
+  e) ac_cv_func_alloca_works=$ac_cv_working_alloca_h
+if test "$ac_cv_func_alloca_works" != yes
+then :
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
@@ -9791,19 +10303,18 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_func_alloca_works=yes
-else $as_nop
-  ac_cv_func_alloca_works=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
+fi ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
-printf "%s\n" "$ac_cv_func_alloca_works" >&6; }
-fi
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_alloca_works" >&5
+printf '%s\n' "$ac_cv_func_alloca_works" >&6; }
 
 if test $ac_cv_func_alloca_works = yes; then
 
-printf "%s\n" "#define HAVE_ALLOCA 1" >>confdefs.h
+printf '%s\n' "#define HAVE_ALLOCA 1" >>confdefs.h
 
 else
   # The SVR3 libPW and SVR4 libucb both contain incompatible functions
@@ -9813,20 +10324,20 @@ else
 
 ALLOCA=\${LIBOBJDIR}alloca.$ac_objext
 
-printf "%s\n" "#define C_ALLOCA 1" >>confdefs.h
+printf '%s\n' "#define C_ALLOCA 1" >>confdefs.h
 
 
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: checking stack direction for C alloca" >&5
 printf %s "checking stack direction for C alloca... " >&6; }
 if test ${ac_cv_c_stack_direction+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "$cross_compiling" = yes
+else case e in #(
+  e) if test "$cross_compiling" = yes
 then :
   ac_cv_c_stack_direction=0
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
@@ -9849,17 +10360,20 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ac_cv_c_stack_direction=1
-else $as_nop
-  ac_cv_c_stack_direction=-1
+else case e in #(
+  e) ac_cv_c_stack_direction=-1 ;;
+esac
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-
+ ;;
+esac
 fi
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
-printf "%s\n" "$ac_cv_c_stack_direction" >&6; }
-printf "%s\n" "#define STACK_DIRECTION $ac_cv_c_stack_direction" >>confdefs.h
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_stack_direction" >&5
+printf '%s\n' "$ac_cv_c_stack_direction" >&6; }
+printf '%s\n' "#define STACK_DIRECTION $ac_cv_c_stack_direction" >>confdefs.h
 
 
 fi
@@ -9901,50 +10415,13 @@ cat >confcache <<\_ACEOF
 # config.status only pays attention to the cache file if you give it
 # the --recheck option to rerun configure.
 #
-# `ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# 'ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* 'ac_cv_foo' will be assigned the
 # following values.
 
 _ACEOF
 
-# The following way of writing the cache mishandles newlines in values,
-# but we know of no workaround that is simple, portable, and efficient.
-# So, we kill variables containing newlines.
-# Ultrix sh set writes to stderr and can't be redirected directly,
-# and sets the high bit in the cache file unless we assign to the vars.
-(
-  for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do
-    eval ac_val=\$$ac_var
-    case $ac_val in #(
-    *${as_nl}*)
-      case $ac_var in #(
-      *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
-printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
-      esac
-      case $ac_var in #(
-      _ | IFS | as_nl) ;; #(
-      BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) { eval $ac_var=; unset $ac_var;} ;;
-      esac ;;
-    esac
-  done
-
-  (set) 2>&1 |
-    case $as_nl`(ac_space=' '; set) 2>&1` in #(
-    *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes: double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \.
-      sed -n \
-	"s/'/'\\\\''/g;
-	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
-      ;; #(
-    *)
-      # `set' quotes correctly as required by POSIX, so do not add quotes.
-      sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
-      ;;
-    esac |
-    sort
-) |
+ac_cache_dump |
   sed '
      /^ac_cv_env_/b end
      t clear
@@ -9956,8 +10433,8 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
     if test "x$cache_file" != "x/dev/null"; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
-printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
+      { printf '%s\n' "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
+printf '%s\n' "$as_me: updating cache $cache_file" >&6;}
       if test ! -f "$cache_file" || test -h "$cache_file"; then
 	cat confcache >"$cache_file"
       else
@@ -9971,8 +10448,8 @@ printf "%s\n" "$as_me: updating cache $cache_file" >&6;}
       fi
     fi
   else
-    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
-printf "%s\n" "$as_me: not updating unwritable cache $cache_file" >&6;}
+    { printf '%s\n' "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
+printf '%s\n' "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
 rm -f confcache
@@ -9989,7 +10466,7 @@ U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
-  ac_i=`printf "%s\n" "$ac_i" | sed "$ac_script"`
+  ac_i=`printf '%s\n' "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
   as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
@@ -10002,13 +10479,21 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 : "${CONFIG_STATUS=./config.status}"
+case $CONFIG_STATUS in #(
+  -*) :
+    CONFIG_STATUS=./$CONFIG_STATUS ;; #(
+  */*) :
+     ;; #(
+  *) :
+    CONFIG_STATUS=./$CONFIG_STATUS ;;
+esac
+
 ac_write_fail=0
-ac_clean_files_save=$ac_clean_files
-ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
-printf "%s\n" "$as_me: creating $CONFIG_STATUS" >&6;}
+ac_clean_CONFIG_STATUS='"$CONFIG_STATUS"'
+{ printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
+printf '%s\n' "$as_me: creating $CONFIG_STATUS" >&6;}
 as_write_fail=0
-cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
+cat >"$CONFIG_STATUS" <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -10022,28 +10507,28 @@ ac_cs_silent=false
 SHELL=\${CONFIG_SHELL-$SHELL}
 export SHELL
 _ASEOF
-cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ASEOF || as_write_fail=1
 ## -------------------- ##
 ## M4sh Initialization. ##
 ## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
+  # contradicts POSIX and common usage.  Disable this.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -10115,13 +10600,13 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as `sh COMMAND'
+# We did not find ourselves, most probably we were run as 'sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
 fi
 if test ! -f "$as_myself"; then
-  printf "%s\n" "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
+  printf '%s\n' "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
   exit 1
 fi
 
@@ -10137,14 +10622,13 @@ as_fn_error ()
   as_status=$1; test $as_status -eq 0 && as_status=1
   if test "$4"; then
     as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
-    printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+    printf '%s\n' "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
   fi
-  printf "%s\n" "$as_me: error: $2" >&2
+  printf '%s\n' "$as_me: error: $2" >&2
   as_fn_exit $as_status
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -10184,11 +10668,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -10202,11 +10687,12 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
 
@@ -10233,7 +10719,7 @@ as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
 	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X/"$0" |
+printf '%s\n' X/"$0" |
     sed '/^.*\/\([^/][^/]*\)\/*$/{
 	    s//\1/
 	    q
@@ -10255,29 +10741,6 @@ as_cr_Letters=$as_cr_letters$as_cr_LETTERS
 as_cr_digits='0123456789'
 as_cr_alnum=$as_cr_Letters$as_cr_digits
 
-
-# Determine whether it's possible to make 'echo' print without a newline.
-# These variables are no longer used directly by Autoconf, but are AC_SUBSTed
-# for compatibility with existing Makefiles.
-ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in #(((((
--n*)
-  case `echo 'xy\c'` in
-  *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  xy)  ECHO_C='\c';;
-  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
-       ECHO_T='	';;
-  esac;;
-*)
-  ECHO_N='-n';;
-esac
-
-# For backward compatibility with old third-party macros, we provide
-# the shell variables $as_echo and $as_echo_n.  New code should use
-# AS_ECHO(["message"]) and AS_ECHO_N(["message"]), respectively.
-as_echo='printf %s\n'
-as_echo_n='printf %s'
-
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -10289,9 +10752,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
-    # In both cases, we have to default to `cp -pR'.
+    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
+    # In both cases, we have to default to 'cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -10319,7 +10782,7 @@ as_fn_mkdir_p ()
     as_dirs=
     while :; do
       case $as_dir in #(
-      *\'*) as_qdir=`printf "%s\n" "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *\'*) as_qdir=`printf '%s\n' "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
       *) as_qdir=$as_dir;;
       esac
       as_dirs="'$as_qdir' $as_dirs"
@@ -10328,7 +10791,7 @@ $as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$as_dir" : 'X\(//\)[^/]' \| \
 	 X"$as_dir" : 'X\(//\)$' \| \
 	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$as_dir" |
+printf '%s\n' X"$as_dir" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -10372,26 +10835,28 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 exec 6>&1
-## ----------------------------------- ##
-## Main body of $CONFIG_STATUS script. ##
-## ----------------------------------- ##
+## ------------------------------------- ##
+## Main body of "$CONFIG_STATUS" script. ##
+## ------------------------------------- ##
 _ASEOF
-test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
+test $as_write_fail = 0 && chmod +x "$CONFIG_STATUS" || ac_write_fail=1
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 # Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
 This file was extended by $as_me, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.73.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -10413,16 +10878,16 @@ case $ac_config_headers in *"
 esac
 
 
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 # Files that config.status was made for.
 config_files="$ac_config_files"
 config_headers="$ac_config_headers"
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files and other configuration actions
+'$as_me' instantiates files and other configuration actions
 from templates according to the current configuration.  Unless the files
 and actions are specified as TAGs, all are instantiated by default.
 
@@ -10449,25 +10914,29 @@ $config_headers
 Report bugs to the package provider."
 
 _ACEOF
-ac_cs_config=`printf "%s\n" "$ac_configure_args" | sed "$ac_safe_unquote"`
-ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config=`printf '%s\n' "$ac_configure_args" | sed "$ac_safe_unquote"`
+ac_cs_config_escaped=`printf '%s\n' "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\''/g"`
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 config.status
-configured by $0, generated by GNU Autoconf 2.71,
+configured by $0, generated by GNU Autoconf 2.73,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2026 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
 ac_pwd='$ac_pwd'
 srcdir='$srcdir'
-test -n "\$AWK" || AWK=awk
+test -n "\$AWK" || {
+  awk '' </dev/null ||
+    as_fn_error \$? "try installing gawk"
+  AWK=awk
+}
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 # The default lists apply if the user does not specify any file.
 ac_need_defaults=:
 while test $# != 0
@@ -10495,15 +10964,15 @@ do
   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
-    printf "%s\n" "$ac_cs_version"; exit ;;
+    printf '%s\n' "$ac_cs_version"; exit ;;
   --config | --confi | --conf | --con | --co | --c )
-    printf "%s\n" "$ac_cs_config"; exit ;;
+    printf '%s\n' "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf '%s\n' "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     '') as_fn_error $? "missing file argument" ;;
     esac
     as_fn_append CONFIG_FILES " '$ac_optarg'"
@@ -10511,23 +10980,23 @@ do
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
-    *\'*) ac_optarg=`printf "%s\n" "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    *\'*) ac_optarg=`printf '%s\n' "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: \`$1'
-Try \`$0 --help' for more information.";;
+    as_fn_error $? "ambiguous option: '$1'
+Try '$0 --help' for more information.";;
   --help | --hel | -h )
-    printf "%s\n" "$ac_cs_usage"; exit ;;
+    printf '%s\n' "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
   | -silent | --silent | --silen | --sile | --sil | --si | --s)
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: \`$1'
-Try \`$0 --help' for more information." ;;
+  -*) as_fn_error $? "unrecognized option: '$1'
+Try '$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
@@ -10544,32 +11013,32 @@ if $ac_cs_silent; then
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 if \$ac_cs_recheck; then
   set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
   shift
-  \printf "%s\n" "running CONFIG_SHELL=$SHELL \$*" >&6
+  \printf '%s\n' "running CONFIG_SHELL=$SHELL \$*" >&6
   CONFIG_SHELL='$SHELL'
   export CONFIG_SHELL
   exec "\$@"
 fi
 
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 exec 5>>config.log
 {
   echo
   sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
 ## Running $as_me. ##
 _ASBOX
-  printf "%s\n" "$ac_log"
+  printf '%s\n' "$ac_log"
 } >&5
 
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 
 # Handling of arguments.
 for ac_config_target in $ac_config_targets
@@ -10581,7 +11050,7 @@ do
     "windows/sysdir.bat") CONFIG_FILES="$CONFIG_FILES windows/sysdir.bat" ;;
     "windows/install.lsp") CONFIG_FILES="$CONFIG_FILES windows/install.lsp" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -10600,7 +11069,7 @@ fi
 # creating and moving files from /tmp can sometimes cause problems.
 # Hook for its removal unless debugging.
 # Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to `$tmp'.
+# after its creation but before its name has been assigned to '$tmp'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -10624,7 +11093,7 @@ ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with `./config.status config.h'.
+# This happens for instance with './config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
 
@@ -10652,13 +11121,13 @@ _ACEOF
   echo "_ACEOF"
 } >conf$$subs.sh ||
   as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
+ac_delim_num=`echo "$ac_subst_vars" | sed -n '$='`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
     as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
-  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | sed -n '$='`
   if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
@@ -10669,7 +11138,7 @@ for ac_last_try in false false false false false :; do
 done
 rm -f conf$$subs.sh
 
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
@@ -10714,9 +11183,9 @@ t delim
   N
   s/\n//
 }
-' >>$CONFIG_STATUS || ac_write_fail=1
+' >>"$CONFIG_STATUS" || ac_write_fail=1
 rm -f conf$$subs.awk
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 _ACAWK
 cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
@@ -10745,7 +11214,7 @@ cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
 
 _ACAWK
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
@@ -10777,18 +11246,18 @@ s/^[^=]*=[	 ]*$//
 }'
 fi
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 fi # test -n "$CONFIG_FILES"
 
 # Set up the scripts for CONFIG_HEADERS section.
 # No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with `./config.status Makefile'.
+# This happens for instance with './config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
 cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
-# Transform confdefs.h into an awk script `defines.awk', embedded as
+# Transform confdefs.h into an awk script 'defines.awk', embedded as
 # here-document in config.status, that substitutes the proper values into
 # config.h.in to produce config.h.
 
@@ -10848,9 +11317,9 @@ s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p
 b cont
 ' <confdefs.h | sed '
 s/'"$ac_delim"'/"\\\
-"/g' >>$CONFIG_STATUS || ac_write_fail=1
+"/g' >>"$CONFIG_STATUS" || ac_write_fail=1
 
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
   for (key in D) D_is_set[key] = 1
   FS = ""
 }
@@ -10868,8 +11337,12 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   macro = mac2[1]
   prefix = substr(line, 1, index(line, defundef) - 1)
   if (D_is_set[macro]) {
+    suffix = P[macro] D[macro]
+    while (suffix ~ /[\t ]$/) {
+      suffix = substr(suffix, 1, length(suffix) - 1)
+    }
     # Preserve the white space surrounding the "#".
-    print prefix "define", macro P[macro] D[macro]
+    print prefix "define", macro suffix
     next
   } else {
     # Replace #undef with comments.  This is necessary, for example,
@@ -10884,7 +11357,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 { print }
 _ACAWK
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
   as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
@@ -10898,7 +11371,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -10920,33 +11393,33 @@ do
       -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain `:'.
+	 # because $ac_f cannot contain ':'.
 	 test -f "$ac_f" ||
 	   case $ac_f in
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
       esac
-      case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
+      case $ac_f in *\'*) ac_f=`printf '%s\n' "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
-    # Let's still pretend it is `configure' which instantiates (i.e., don't
+    # Let's still pretend it is 'configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
-	  printf "%s\n" "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
+	  printf '%s\n' "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
-printf "%s\n" "$as_me: creating $ac_file" >&6;}
+      { printf '%s\n' "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
+printf '%s\n' "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
     case $configure_input in #(
     *\&* | *\|* | *\\* )
-       ac_sed_conf_input=`printf "%s\n" "$configure_input" |
+       ac_sed_conf_input=`printf '%s\n' "$configure_input" |
        sed 's/[\\\\&|]/\\\\&/g'`;; #(
     *) ac_sed_conf_input=$configure_input;;
     esac
@@ -10963,7 +11436,7 @@ $as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	 X"$ac_file" : 'X\(//\)[^/]' \| \
 	 X"$ac_file" : 'X\(//\)$' \| \
 	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
-printf "%s\n" X"$ac_file" |
+printf '%s\n' X"$ac_file" |
     sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 	    s//\1/
 	    q
@@ -10987,9 +11460,9 @@ printf "%s\n" X"$ac_file" |
 case "$ac_dir" in
 .) ac_dir_suffix= ac_top_builddir_sub=. ac_top_build_prefix= ;;
 *)
-  ac_dir_suffix=/`printf "%s\n" "$ac_dir" | sed 's|^\.[\\/]||'`
+  ac_dir_suffix=/`printf '%s\n' "$ac_dir" | sed 's|^\.[\\/]||'`
   # A ".." for each directory in $ac_dir_suffix.
-  ac_top_builddir_sub=`printf "%s\n" "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
+  ac_top_builddir_sub=`printf '%s\n' "$ac_dir_suffix" | sed 's|/[^\\/]*|/..|g;s|/||'`
   case $ac_top_builddir_sub in
   "") ac_top_builddir_sub=. ac_top_build_prefix= ;;
   *)  ac_top_build_prefix=$ac_top_builddir_sub/ ;;
@@ -11025,7 +11498,7 @@ ac_abs_srcdir=$ac_abs_top_srcdir$ac_dir_suffix
 
 _ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
@@ -11042,10 +11515,10 @@ ac_sed_dataroot='
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+printf '%s\n' "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
   ac_datarootdir_hack='
   s&@datadir@&$datadir&g
   s&@docdir@&$docdir&g
@@ -11056,14 +11529,14 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 esac
 _ACEOF
 
-# Neutralize VPATH when `$srcdir' = `.'.
+# Neutralize VPATH when '$srcdir' = '.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
-cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<_ACEOF || ac_write_fail=1
 ac_sed_extra="$ac_vpsub
 $extrasub
 _ACEOF
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+cat >>"$CONFIG_STATUS" <<\_ACEOF || ac_write_fail=1
 :t
 /@[a-zA-Z_][a-zA-Z_0-9]*@/!b
 s|@configure_input@|$ac_sed_conf_input|;t t
@@ -11085,9 +11558,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable 'datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+printf '%s\n' "$as_me: WARNING: $ac_file contains a reference to the variable 'datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -11103,20 +11576,20 @@ which seems to be undefined.  Please make sure it is defined" >&2;}
   #
   if test x"$ac_file" != x-; then
     {
-      printf "%s\n" "/* $configure_input  */" >&1 \
+      printf '%s\n' "/* $configure_input  */" >&1 \
       && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
     } >"$ac_tmp/config.h" \
       || as_fn_error $? "could not create $ac_file" "$LINENO" 5
     if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
-printf "%s\n" "$as_me: $ac_file is unchanged" >&6;}
+      { printf '%s\n' "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
+printf '%s\n' "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
       mv "$ac_tmp/config.h" "$ac_file" \
 	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
-    printf "%s\n" "/* $configure_input  */" >&1 \
+    printf '%s\n' "/* $configure_input  */" >&1 \
       && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
       || as_fn_error $? "could not create -" "$LINENO" 5
   fi
@@ -11130,7 +11603,7 @@ done # for ac_tag
 
 as_fn_exit 0
 _ACEOF
-ac_clean_files=$ac_clean_files_save
+ac_clean_CONFIG_STATUS=
 
 test $ac_write_fail = 0 ||
   as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
@@ -11146,19 +11619,26 @@ test $ac_write_fail = 0 ||
 # need to make the FD available again.
 if test "$no_create" != yes; then
   ac_cs_success=:
+  case $CONFIG_STATUS in #(
+  -*) :
+    ac_no_opts=-- ;; #(
+  *) :
+    ac_no_opts= ;;
+esac
   ac_config_status_args=
   test "$silent" = yes &&
     ac_config_status_args="$ac_config_status_args --quiet"
   exec 5>/dev/null
-  $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+  $SHELL $ac_no_opts "$CONFIG_STATUS" $ac_config_status_args ||
+    ac_cs_success=false
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
   $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
-printf "%s\n" "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
+  { printf '%s\n' "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+printf '%s\n' "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
     echo makedefc
diff --git a/configure.in b/configure.in
index 2cc8264f..78bd4ee5 100644
--- a/configure.in
+++ b/configure.in
@@ -395,8 +395,15 @@ AC_ARG_ENABLE([gprof],[  --enable-gprof builds gcl with -pg in CFLAGS to enable
 		   else
 		       AC_MSG_RESULT([ok])
 		       OLD_CFLAGS=$CFLAGS  # Do not run configure tests with -pg
-                       assert_arg_to_cflags -pg
-                       GP_FLAG="-pg"
+		       case $use in
+		       	    386*)
+				assert_arg_to_cflags -fno-shrink-wrap
+				assert_arg_to_cflags -pg
+  	                        GP_FLAG="-fno-shrink-wrap -pg";;
+                            *)
+				assert_arg_to_cflags -pg
+  	                        GP_FLAG="-pg";;
+		       esac
                        CFLAGS=$OLD_CFLAGS
        		       TFPFLAG=""
 		       AC_DEFINE(GCL_GPROF,1,[use gprof profiling])
diff --git a/git.tag b/git.tag
index f22e8f02..0bd99438 100644
--- a/git.tag
+++ b/git.tag
@@ -1 +1 @@
-"Version_2_6_15pre22"
+"Version_2_6_15pre23"
diff --git a/h/elf64_loongarch64_reloc.h b/h/elf64_loongarch64_reloc.h
index 97260111..235cfff0 100644
--- a/h/elf64_loongarch64_reloc.h
+++ b/h/elf64_loongarch64_reloc.h
@@ -75,6 +75,11 @@
 	store_val((ul*)((ul)got+4),MASK(16)<<10,(((s+a)>>2)&0x3ff)<<10);
       }
       break;
+    case R_LARCH_CALL36:
+      massert((s+a-p+(1ULL<<35))<(1ULL<<36));
+      store_val(where,MASK(20)<<5,((bdest+0x8000)>>16)<<5);
+      store_val((ul *)((ul)where+4),MASK(16)<<10,bdest<<10);
+      break;
     case R_LARCH_PCALA_HI20:
       store_val(where,MASK(20)<<5,get_page_delta(s+a,p)>>12<<5);
       break;