if (memcmp (a.buf1, "aabcdabcjj", 10))
FAIL ();
-#if __USE_FORTIFY_LEVEL < 2
+#if __USE_FORTIFY_LEVEL < 2 || !__GNUC_PREREQ (4, 0)
/* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2
and sufficient GCC support, as the string operations overflow
from a.buf1 into a.buf2. */
memset (a.buf1 + 9, 'j', l0 + 2);
CHK_FAIL_END
-#if __USE_FORTIFY_LEVEL >= 2
+#if __USE_FORTIFY_LEVEL >= 2 && __GNUC_PREREQ (4, 0)
# define O 0
#else
# define O 1