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| author | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-06 14:53:02 +0200 |
|---|---|---|
| committer | Ondrej Zajicek (work) <santiago@crfreenet.org> | 2019-08-06 14:54:36 +0200 |
| commit | 8c42205e35e24537122a4c821bd3128d698abf1b (patch) | |
| tree | dfe229244fb763066e8da74cf2d0211d8a3e357c | |
| parent | cc02da816fb062c93b4f0d61b0cfa02b673a5e00 (diff) | |
Configure: CFLAGS update
- add -flto only to default CFLAGS
- add -fno-strict-aliasing, -fno-strict-overflow always
- remove -Wno-implicit-fallthrough
| -rw-r--r-- | configure.ac | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/configure.ac b/configure.ac index 14dbcd52..7e8578ab 100644 --- a/configure.ac +++ b/configure.ac @@ -137,27 +137,27 @@ if test "$enable_pthreads" != no ; then fi fi +# This is assumed to be necessary for proper BIRD build +CFLAGS="$CFLAGS -fno-strict-aliasing -fno-strict-overflow" + if test "$bird_cflags_default" = yes ; then BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign], [-Wall]) BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers], [-Wall -Wextra]) - BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_aliasing], [-fno-strict-aliasing]) - BIRD_CHECK_GCC_OPTION([bird_cv_c_option_fno_strict_overflow], [-fno-strict-overflow]) + + if test "$enable_debug" = no; then + BIRD_CHECK_LTO + fi + + if test "$bird_cv_c_lto" = yes; then + CFLAGS="$CFLAGS -flto" + LDFLAGS="$LDFLAGS -flto=4" + fi CFLAGS="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses" BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_pointer_sign], [-Wno-pointer-sign]) BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_missing_init], [-Wno-missing-field-initializers]) - 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 -if test "$enable_debug" = no; then - BIRD_CHECK_LTO -fi - -if test "$bird_cv_c_lto" = yes; then - CFLAGS="$CFLAGS -flto" - LDFLAGS="$LDFLAGS -flto=4" -fi AC_MSG_CHECKING([CFLAGS]) AC_MSG_RESULT([$CFLAGS]) @@ -387,9 +387,6 @@ if test "$enable_debug" = yes ; then AC_CHECK_LIB([efence], [malloc]) fi fi -else - BIRD_CHECK_GCC_OPTION([bird_cv_c_option_wno_implicit_fallthrough], [-Wno-implicit-fallthrough]) - BIRD_ADD_GCC_OPTION([bird_cv_c_option_wno_implicit_fallthrough], [-Wno-implicit-fallthrough]) fi CLIENT=birdcl |