gas/

[deliverable/binutils-gdb.git] / bfd / warning.m4

diff --git a/bfd/warning.m4 b/bfd/warning.m4
index b4a2f48f8ba21fc337fca7c99d4233a0a2d50b91..244dd4483ce79e86c155502e40b58caf6e173e2e 100644 (file)
--- a/bfd/warning.m4
+++ b/bfd/warning.m4
@@ -1,7 +1,25 @@
 dnl Common configure.in fragment
+dnl
+dnl   Copyright 2012 Free Software Foundation
+dnl
+dnl This file is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl 
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl 
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; see the file COPYING3.  If not see
+dnl <http://www.gnu.org/licenses/>.
+dnl
 
 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 +29,7 @@ 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