From 2e694846ebc3df12b7f2f99ce1178821a5ce004a Mon Sep 17 00:00:00 2001
From: Jim Blandy <jimb@redhat.com>
Date: Tue, 25 May 1993 04:56:17 +0000
Subject: [PATCH] * configure.in: Check to see if the source lives in the same 
 directory as the configure script.

---
 configure1.in | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/configure1.in b/configure1.in
index 1f230744652..df41927674b 100755
--- a/configure1.in
+++ b/configure1.in
@@ -284,20 +284,25 @@ case "${srcdir}" in
 
   ## If it's not specified, see if  `.' or `..' might work.
   "" )
-    if [ -f "./src/lisp.h" -a -f "./lisp/version.el" ]; then
-      srcdir=`pwd`
+    confdir=`echo $0 | sed 's|//|/|' | sed 's|/[^/]*$||'`
+    if [ -f $confdir/src/lisp.h -a -f $confdir/lisp/version.el ]; then
+      srcdir=$confdir
     else
-      if [ -f "../src/lisp.h" -a -f "../lisp/version.el" ]; then
-	srcdir=`(cd .. ; pwd)`
+      if [ -f "./src/lisp.h" -a -f "./lisp/version.el" ]; then
+        srcdir=`pwd`
       else
-	(echo "\
+        if [ -f "../src/lisp.h" -a -f "../lisp/version.el" ]; then
+	  srcdir=`(cd .. ; pwd)`
+        else
+	  (echo "\
 ${progname}: Neither the current directory nor its parent seem to
 contain the Emacs sources.  If you do not want to build Emacs in its
 source tree, you should run \`${progname}' in the directory in which
 you wish to build Emacs, using its \`--srcdir' option to say where the
 sources may be found."
-	 echo "${short_usage}") >&2
-	exit 1
+	    echo "${short_usage}") >&2
+	  exit 1
+        fi
       fi
     fi
   ;;
-- 
2.30.2