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authorAlan Modra <amodra@gmail.com>2010-04-07 07:19:02 +0000
committerAlan Modra <amodra@gmail.com>2010-04-07 07:19:02 +0000
commitd1a98e0c8c56d6f2adfc6ae1a8699752e1c75774 (patch)
treedd007a68bc34a312aa09d58e0cb32f06e783ee59 /bfd/configure
parent937502b8a9923fccdded4b25c900fdf1e64d2480 (diff)
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* warning.m4 (GCC_WARN_CFLAGS): Only add -Wshadow for gcc-4 and above.
* configure: Regenerate.
Diffstat (limited to 'bfd/configure')
-rwxr-xr-xbfd/configure16
1 files changed, 14 insertions, 2 deletions
diff --git a/bfd/configure b/bfd/configure
index 0f73da3..f4aba27 100755
--- a/bfd/configure
+++ b/bfd/configure
@@ -12128,7 +12128,19 @@ fi
-GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow"
+GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+__GNUC__
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "^[0-3]$" >/dev/null 2>&1; then :
+
+else
+ GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow"
+fi
+rm -f conftest*
+
# Check whether --enable-werror was given.
if test "${enable_werror+set}" = set; then :
@@ -12140,7 +12152,7 @@ if test "${enable_werror+set}" = set; then :
fi
-# Enable -Wno-format by default when using gcc on mingw
+# Disable -Wformat by default when using gcc on mingw
case "${host}" in
*-*-mingw32*)
if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then