1 files changed, 6 insertions, 2 deletions
diff --git a/math.h b/math.h
index 428990b..7e69ae0 100644
--- a/math.h
+++ b/math.h
@@ -1,5 +1,9 @@
-#ifndef __MATH_H__
-#define __MATH_H__
+#ifndef __STDC_VERSION_MATH_H__
+#if defined __STDC_VERSION__
+#define __STDC_VERSION_MATH_H__ __STDC_VERSION__
+#else
+#define __STDC_VERSION_MATH_H__ 1
+#endif
 
 /*
 UNG's Not GNU