math: add an expm1l special case

[libc-test] / src / math / pow10.c

diff --git a/src/math/pow10.c b/src/math/pow10.c
index f980ce8..b5d2a83 100644 (file)
--- a/src/math/pow10.c
+++ b/src/math/pow10.c
@@ -1,3 +1,4 @@
+#define _GNU_SOURCE 1
 #include <stdint.h>
 #include <stdio.h>
 #include "mtest.h"