diff options
| author | Ondrej Zajicek <santiago@crfreenet.org> | 2013-04-17 15:09:50 +0200 |
|---|---|---|
| committer | Ondrej Zajicek <santiago@crfreenet.org> | 2013-04-17 15:09:50 +0200 |
| commit | efd6d12b975441c7e1875a59dd9e0f3db7e958cb (patch) | |
| tree | fccf3a5cf753b0f1a168031329278965bfc4f3eb /configure.in | |
| parent | 8df02847e8af29863c325b7297e3a2b2ed5f961c (diff) | |
| download | bird-efd6d12b975441c7e1875a59dd9e0f3db7e958cb.tar.gz | |
Adds two new default GCC options.
Adds two new default GCC options related to optimizations
(-fno-strict-aliasing and -fno-strict-overflow). This
should fix some hyperaggressive GCC optimizations.
Also updates autoconf option detection.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/configure.in b/configure.in index 54993dfc..272a2431 100644 --- a/configure.in +++ b/configure.in @@ -87,15 +87,17 @@ if test -z "$GCC" ; then AC_MSG_ERROR([This program requires the GNU C Compiler.]) fi -AC_MSG_CHECKING([what CFLAGS should we use]) if test "$bird_cflags_default" = yes ; then - BIRD_CHECK_GCC_OPTIONS + BIRD_CHECK_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign, -Wall) + BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing) + BIRD_CHECK_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow) CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -Wno-parentheses" - if test "$bird_cv_c_option_no_pointer_sign" = yes ; then - CFLAGS="$CFLAGS -Wno-pointer-sign" - fi + BIRD_ADD_GCC_OPTION(bird_cv_c_option_wno_pointer_sign, -Wno-pointer-sign) + BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_aliasing, -fno-strict-aliasing) + BIRD_ADD_GCC_OPTION(bird_cv_c_option_fno_strict_overflow, -fno-strict-overflow) fi +AC_MSG_CHECKING([CFLAGS]) AC_MSG_RESULT($CFLAGS) |