--param=ssp-buffer-size=4])
AC_SUBST([OUR_CFLAGS], "$with_cflags $address_sanitizer_cflags")
-AS_CASE([$CFLAGS], [*-O[[12345g\ ]]*],
+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])])