From efe95bc91df29b92dbebc317fe52308f9fb87fd3 Mon Sep 17 00:00:00 2001
From: Alan Modra <amodra@bigpond.net.au>
Date: Wed, 7 Apr 2010 07:19:00 +0000
Subject: 	* warning.m4 (GCC_WARN_CFLAGS): Only add -Wshadow for gcc-4
 and above. 	* configure: Regenerate.

---
 bfd/warning.m4 | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'bfd/warning.m4')

diff --git a/bfd/warning.m4 b/bfd/warning.m4
index b4a2f48f8ba..6b846bf4ea3 100644
--- a/bfd/warning.m4
+++ b/bfd/warning.m4
@@ -1,7 +1,8 @@
 dnl Common configure.in fragment
 
 AC_DEFUN([AM_BINUTILS_WARNINGS],[
-GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes -Wshadow"
+GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
 
 AC_ARG_ENABLE(werror,
   [  --enable-werror         treat compile warnings as errors],
@@ -11,7 +12,7 @@ AC_ARG_ENABLE(werror,
      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
    esac])
 
-# 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
-- 
cgit v1.2.1