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authorAndrew Hsieh <andrewhsieh@google.com>2014-06-13 12:38:00 -0700
committerAndrew Hsieh <andrewhsieh@google.com>2014-06-13 12:38:00 -0700
commit54f1b3cf509cd889905287cb8ce6c5ae33911a21 (patch)
treee39b1a7fa04db86a8215b7f9d4656d74e394aec0 /binutils-2.25/bfd/warning.m4
parent2a6558a8ecfb81d75215b4ec7dc61113e12cfd5f (diff)
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Add upstream binutils-2.25 snapshot 4/4 2014
For MIPS -mmsa support Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96
Diffstat (limited to 'binutils-2.25/bfd/warning.m4')
-rw-r--r--binutils-2.25/bfd/warning.m477
1 files changed, 77 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/warning.m4 b/binutils-2.25/bfd/warning.m4
new file mode 100644
index 00000000..244dd448
--- /dev/null
+++ b/binutils-2.25/bfd/warning.m4
@@ -0,0 +1,77 @@
+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],
+ [case "${enableval}" in
+ yes | y) ERROR_ON_WARNING="yes" ;;
+ no | n) ERROR_ON_WARNING="no" ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
+ esac])
+
+# Disable -Wformat by default when using gcc on mingw
+case "${host}" in
+ *-*-mingw32*)
+ if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+ GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format"
+ fi
+ ;;
+ *) ;;
+esac
+
+# Enable -Werror by default when using gcc
+if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
+ ERROR_ON_WARNING=yes
+fi
+
+NO_WERROR=
+if test "${ERROR_ON_WARNING}" = yes ; then
+ GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
+ NO_WERROR="-Wno-error"
+fi
+
+if test "${GCC}" = yes ; then
+ WARN_CFLAGS="${GCC_WARN_CFLAGS}"
+fi
+
+AC_ARG_ENABLE(build-warnings,
+[ --enable-build-warnings enable build-time compiler warnings],
+[case "${enableval}" in
+ yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}";;
+ no) if test "${GCC}" = yes ; then
+ WARN_CFLAGS="-w"
+ fi;;
+ ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";;
+ *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
+ WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";;
+ *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac])
+
+if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
+ echo "Setting warning flags = $WARN_CFLAGS" 6>&1
+fi
+
+AC_SUBST(WARN_CFLAGS)
+AC_SUBST(NO_WERROR)
+])