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| author | Yang Tse <yangsita@gmail.com> | 2010-11-18 17:12:15 +0100 |
|---|---|---|
| committer | Yang Tse <yangsita@gmail.com> | 2010-11-18 17:12:15 +0100 |
| commit | 1c4fa240bec959fd23f4826d9aa9e624fa48d01a (patch) | |
| tree | cefc1db86657890496ee810bcd62c9608ea09215 /m4 | |
| parent | 5046dd02b9c909438d9ab8e9726094846a678f8d (diff) | |
configure: use autobuilds to temporarily verify strict aliasing warnings.
Temporarily, When cross-compiling with gcc 3.0 or later, enable strict aliasing
rules and warnings. Given that cross-compiled targets autobuilds do not run the
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/curl-compilers.m4 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index 413293b10..44998c06e 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -935,6 +935,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ dnl Also, on gcc 4.0.X it is totally unbearable and complains all dnl over making it unusable for generic purposes. Let's not use it. tmp_CFLAGS="$tmp_CFLAGS" + dnl When cross-compiling with gcc 3.0 or later, + dnl enable strict aliasing rules and warnings. + if test "x$cross_compiling" = "xyes"; then + tmp_CFLAGS="$tmp_CFLAGS -fstrict-aliasing -Wstrict-aliasing=2" + fi fi # dnl Only gcc 3.3 or later |