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-rw-r--r--configure.ac6
1 files changed, 4 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 7a3cd87511..3566dac830 100644
--- a/configure.ac
+++ b/configure.ac
@@ -167,8 +167,10 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
--param=ssp-buffer-size=4])
AC_SUBST([OUR_CFLAGS], $with_cflags)
-CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
- -Wp,-D_FORTIFY_SOURCE=2])
+AS_CASE([$CFLAGS], [*-O[[12345\ ]]*], [
+ CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
+ -Wp,-D_FORTIFY_SOURCE=2])], [
+ AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])
AC_SUBST([OUR_CPPFLAGS], $with_cppflags)
CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\