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| author | Alan Coopersmith <alan.coopersmith@oracle.com> | 2011-05-02 16:52:26 -0700 |
|---|---|---|
| committer | Alan Coopersmith <alan.coopersmith@oracle.com> | 2011-05-06 17:30:32 -0700 |
| commit | 61f5a48a74680c316bee2bf93d6ef5d50a688f22 (patch) | |
| tree | 9dc2a01af6c6a7b21517776e4434851c08d3847d /xorg-macros.m4.in | |
| parent | 8a556afbe7ff81987597ca88e315fe66f10e4adc (diff) | |
XORG_STRICT_OPTION: add -Werror=attributes to STRICT_CFLAGS for gcc
Flags unknown attributes as errors, if -Werror=attributes is supported.
(The -Werror=* option was first spotted in gcc 4.2.0 manuals.)
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
Diffstat (limited to 'xorg-macros.m4.in')
| -rw-r--r-- | xorg-macros.m4.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index ccbe931..f89efb6 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -1356,6 +1356,15 @@ AC_ARG_ENABLE(strict-compilation, [STRICT_COMPILE=$enableval], [STRICT_COMPILE=no]) if test "x$GCC" = xyes ; then STRICT_CFLAGS="-pedantic -Werror" + # Add -Werror=attributes if supported (gcc 4.2 & later) + AC_MSG_CHECKING([if $CC supports -Werror=attributes]) + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS $STRICT_CFLAGS -Werror=attributes" + AC_COMPILE_IFELSE([AC_LANG_SOURCE([return 0;])], + [STRICT_CFLAGS="$STRICT_CFLAGS -Werror=attributes" + AC_MSG_RESULT([yes])], + [AC_MSG_RESULT([no])]) + CFLAGS="$save_CFLAGS" elif test "x$SUNCC" = "xyes"; then STRICT_CFLAGS="-errwarn" elif test "x$INTELCC" = "xyes"; then |