diff options
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index eba7a15f11..e6cab9c5bd 100644 --- a/configure.ac +++ b/configure.ac @@ -1503,7 +1503,20 @@ LIBC_TRY_CC_OPTION([$CFLAGS $CPPFLAGS -Werror -fstack-protector], [libc_cv_ssp=yes], [libc_cv_ssp=no]) ]) -AC_SUBST(libc_cv_ssp) + +AC_CACHE_CHECK(for -fstack-protector-strong, libc_cv_ssp_strong, [dnl +LIBC_TRY_CC_OPTION([$CFLAGS $CPPFLAGS -Werror -fstack-protector-strong], + [libc_cv_ssp_strong=yes], + [libc_cv_ssp_strong=no]) +]) + +stack_protector= +if test "$libc_cv_ssp_strong" = "yes"; then + stack_protector="-fstack-protector-strong" +elif test "$libc_cv_ssp" = "yes"; then + stack_protector="-fstack-protector" +fi +AC_SUBST(stack_protector) AC_CACHE_CHECK(whether cc puts quotes around section names, libc_cv_have_section_quotes, |