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| author | Yang Tse <yangsita@gmail.com> | 2012-06-26 21:22:36 +0200 |
|---|---|---|
| committer | Yang Tse <yangsita@gmail.com> | 2012-06-26 21:24:30 +0200 |
| commit | f1474db3600172804d6f79d30e1127c6c7efa066 (patch) | |
| tree | 58bc81a1a738938fb5baa3ed1aec6f7b26308e56 /m4 | |
| parent | a8478fc8d3ee5ca8ad6264b18ca2896298c33a65 (diff) | |
curl-compilers.m4: -Wstrict-aliasing=3 for warning enabled gcc and clang builds
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/curl-compilers.m4 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index 2752f65e4..29507bae3 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -21,7 +21,7 @@ #*************************************************************************** # File version for 'aclocal' use. Keep it a single number. -# serial 61 +# serial 62 dnl CURL_CHECK_COMPILER @@ -875,6 +875,7 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wcast-align" tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" tmp_CFLAGS="$tmp_CFLAGS -Wshorten-64-to-32" + tmp_CFLAGS="$tmp_CFLAGS -Wstrict-aliasing=3" # dnl Only clang 1.1 or later if test "$compiler_num" -ge "101"; then @@ -965,6 +966,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wdeclaration-after-statement" fi # + dnl Only gcc 4.0 or later + if test "$compiler_num" -ge "400"; then + tmp_CFLAGS="$tmp_CFLAGS -Wstrict-aliasing=3" + fi + # dnl Only gcc 4.2 or later if test "$compiler_num" -ge "402"; then tmp_CFLAGS="$tmp_CFLAGS -Wcast-align" |