X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmath.in.h;h=9d73c5e5bb23f7ff3a343e879de24641d6e81275;hb=0c6fd3b84775ca4cf1045d4cc07a2dff4c73f29b;hp=7189819b044567811b1e9f5fd634a42d0fc5bc05;hpb=a77413333408e54b8d6c4e19918098794cef4b4b;p=gnulib.git

diff --git a/lib/math.in.h b/lib/math.in.h
index 7189819b0..9d73c5e5b 100644
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <math.h>.
 
-   Copyright (C) 2002-2003, 2007-2013 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2007-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -28,6 +28,9 @@
 #ifndef _@GUARD_PREFIX@_MATH_H
 #define _@GUARD_PREFIX@_MATH_H
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef _GL_MATH_INLINE
 # define _GL_MATH_INLINE _GL_INLINE