diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4b134ad0519..e40fab7e157 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-16  Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
+
+	Both config.h and system.h define ABI/API macros for system headers.
+	* sreal.c: Include math.h later.
+
 2014-12-16  Felix Yang  <felix.yang@huawei.com>
 
 	PR rtl-optimization/64240
diff --git a/gcc/sreal.c b/gcc/sreal.c
index 11ea9cedc56..85253793650 100644
--- a/gcc/sreal.c
+++ b/gcc/sreal.c
@@ -47,9 +47,9 @@ along with GCC; see the file COPYING3.  If not see
 	sig == 0 && exp == -SREAL_MAX_EXP
 */
 
-#include <math.h>
 #include "config.h"
 #include "system.h"
+#include <math.h>
 #include "coretypes.h"
 #include "sreal.h"