From 9051b548274bffef9f41e720e1894d12cf68a47c Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Fri, 29 May 2020 12:23:33 -0700
Subject: Avoid nested save_CFLAGS and save_LDFLAGS

Avoid nested save_CFLAGS and save_LDFLAGS by replacing save_CFLAGS and
save_LDFLAGS with cet_save_CFLAGS and cet_save_LDFLAGS in cet.m4.

config/

	PR bootstrap/95413
	* cet.m4: Replace save_CFLAGS and save_LDFLAGS with
	cet_save_CFLAGS and cet_save_LDFLAGS.

gcc/

	PR bootstrap/95413
	* configure: Regenerated.

libatomic/

	PR bootstrap/95413
	* configure: Regenerated.

libbacktrace/

	PR bootstrap/95413
	* configure: Regenerated.

libcc1/

	PR bootstrap/95413
	* configure: Regenerated.

libcpp/

	PR bootstrap/95413
	* configure: Regenerated.

libdecnumber/

	PR bootstrap/95413
	* configure: Regenerated.

libgcc/

	PR bootstrap/95413
	* configure: Regenerated.

libgfortran/

	PR bootstrap/95413
	* configure: Regenerated.

libgomp/

	PR bootstrap/95413
	* configure: Regenerated.

libiberty/

	PR bootstrap/95413
	* configure: Regenerated.

libitm/

	PR bootstrap/95413
	* configure: Regenerated.

libobjc/

	PR bootstrap/95413
	* configure: Regenerated.

libphobos/

	PR bootstrap/95413
	* configure: Regenerated.

libquadmath/

	PR bootstrap/95413
	* configure: Regenerated.

libsanitizer/

	PR bootstrap/95413
	* configure: Regenerated.

libssp/

	PR bootstrap/95413
	* configure: Regenerated.

libstdc++-v3/

	PR bootstrap/95413
	* configure: Regenerated.

libvtv/

	PR bootstrap/95413
	* configure: Regenerated.

lto-plugin/

	PR bootstrap/95413
	* configure: Regenerated.

zlib/

	PR bootstrap/95413
	* configure: Regenerated.
---
 zlib/configure | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'zlib')

diff --git a/zlib/configure b/zlib/configure
index ae1f193..f9a2689 100755
--- a/zlib/configure
+++ b/zlib/configure
@@ -4163,13 +4163,14 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5
 $as_echo_n "checking for CET support... " >&6; }
 
+# NB: Avoid nested save_CFLAGS and save_LDFLAGS.
 case "$host" in
   i[34567]86-*-linux* | x86_64-*-linux*)
     case "$enable_cet" in
       auto)
 	# Check if target supports multi-byte NOPs
 	# and if assembler supports CET insn.
-	save_CFLAGS="$CFLAGS"
+	cet_save_CFLAGS="$CFLAGS"
 	CFLAGS="$CFLAGS -fcf-protection"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4194,7 +4195,7 @@ else
   enable_cet=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-	CFLAGS="$save_CFLAGS"
+	CFLAGS="$cet_save_CFLAGS"
 	;;
       yes)
 	# Check if assembler supports CET.
@@ -10742,7 +10743,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10745 "configure"
+#line 10746 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10848,7 +10849,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10851 "configure"
+#line 10852 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
-- 
cgit v1.1