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-rw-r--r--configure.ac4
1 files changed, 2 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index 01ee8dc994..419b5d4e8d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -208,13 +208,13 @@ AS_CASE([$CC], [*clang*],
-Wno-gnu-variable-sized-type-not-at-end \
])])
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
+AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
[CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-flto -ffat-lto-objects])],
[AC_MSG_RESULT([skipping -flto, optimization not enabled])])
AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
-AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
+AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
[CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
-Wp,-D_FORTIFY_SOURCE=2])],
[AC_MSG_RESULT([skipping -D_FORTIFY_SOURCE, optimization not enabled])])