From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sun, 9 Jan 2011 07:40:01 +0000 (-0800)
Subject: * configure.in (AC_USE_SYSTEM_EXTENSIONS): Remove: gnulib does this.
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* configure.in (AC_USE_SYSTEM_EXTENSIONS): Remove: gnulib does this.
---

diff --git a/ChangeLog b/ChangeLog
index 9ac1d6d5d32..0f43fbc1e4d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 2011-01-09  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* configure.in (AC_USE_SYSTEM_EXTENSIONS): Remove: gnulib does this.
+
 	Regenerate.
 	* lib/getopt.c, lib/getopt.in.h, lib/getopt1.c, lib/getopt_int.h:
 	* lib/gettext.h, lib/unistd.in.h, m4/unistd_h.m4:
diff --git a/configure.in b/configure.in
index 024d520315c..20e90faabbf 100644
--- a/configure.in
+++ b/configure.in
@@ -690,9 +690,6 @@ else
   test "x$NON_GCC_TEST_OPTIONS" != x && CC="$CC $NON_GCC_TEST_OPTIONS"
 fi
 
-dnl checks for Unix variants
-AC_USE_SYSTEM_EXTENSIONS
-
 ### Use -Wno-pointer-sign if the compiler supports it
 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
 SAVE_CFLAGS="$CFLAGS"