Configure: CFLAGS update

- add -flto only to default CFLAGS
 - add -fno-strict-aliasing, -fno-strict-overflow always
 - remove -Wno-implicit-fallthrough
This commit is contained in:
Ondrej Zajicek (work) 2019-08-06 14:53:02 +02:00
parent cc02da816f
commit 8c42205e35

View file

@ -137,27 +137,27 @@ if test "$enable_pthreads" != no ; then
fi fi
fi fi
# This is assumed to be necessary for proper BIRD build
CFLAGS="$CFLAGS -fno-strict-aliasing -fno-strict-overflow"
if test "$bird_cflags_default" = yes ; then if test "$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_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_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="$CFLAGS -Wall -Wextra -Wstrict-prototypes -Wno-parentheses" CFLAGS="$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_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_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 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_CHECKING([CFLAGS])
AC_MSG_RESULT([$CFLAGS]) AC_MSG_RESULT([$CFLAGS])
@ -387,9 +387,6 @@ if test "$enable_debug" = yes ; then
AC_CHECK_LIB([efence], [malloc]) AC_CHECK_LIB([efence], [malloc])
fi fi
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 fi
CLIENT=birdcl CLIENT=birdcl