From b55b0285aa967175247995f4e61e12a4f746c865 Mon Sep 17 00:00:00 2001
From: dtucker <dtucker>
Date: Sun, 15 Jun 2008 16:27:48 +0000
Subject: [PATCH]  - (dtucker) [configure.ac] Enable -fno-builtin-memset when
 using gcc.

---
 ChangeLog    |  3 +++
 configure.ac | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 5fed2db5..f39c62fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+20080615
+ - (dtucker) [configure.ac] Enable -fno-builtin-memset when using gcc.
+
 20080614
  - (djm) [openbsd-compat/sigact.c] Avoid NULL derefs in ancient sigaction
    replacement code; patch from ighighi AT gmail.com in bz#1240;
diff --git a/configure.ac b/configure.ac
index 27016e0f..2e8d270d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,6 +112,18 @@ if test "$GCC" = "yes" || test "$GCC" = "egcs"; then
 		*) ;;
 	esac
 
+	AC_MSG_CHECKING(if $CC accepts -fno-builtin-memset)
+	saved_CFLAGS="$CFLAGS"
+	CFLAGS="$CFLAGS -fno-builtin-memset"
+	AC_LINK_IFELSE( [AC_LANG_SOURCE([[
+#include <string.h>
+int main(void){char b[10]; memset(b, 0, sizeof(b));}
+		]])],
+		[ AC_MSG_RESULT(yes) ],
+		[ AC_MSG_RESULT(no)
+		  CFLAGS="$saved_CFLAGS" ]
+)
+
 	# -fstack-protector-all doesn't always work for some GCC versions
 	# and/or platforms, so we test if we can.  If it's not supported
 	# on a give platform gcc will emit a warning so we use -Werror.
-- 
2.45.1