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"
+AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
AC_ARG_ENABLE(werror,
[ --enable-werror treat compile warnings as errors],
*) 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