add feature test macros to non-c99 math tests

[libc-test] / src / math / pow10l.c

diff --git a/src/math/pow10l.c b/src/math/pow10l.c
index 19b03f8..478f6a7 100644 (file)
--- a/src/math/pow10l.c
+++ b/src/math/pow10l.c
@@ -1,6 +1,7 @@
+#define _GNU_SOURCE 1
 #include <stdint.h>
 #include <stdio.h>
-#include "util.h"
+#include "mtest.h"
 
 static struct l_l t[] = {
 #if LDBL_MANT_DIG == 53