Add autoconf tests for the 'minmax' module.

[gnulib.git] / lib / minmax.h

diff --git a/lib/minmax.h b/lib/minmax.h
index 63b55b4..975ea76 100644 (file)
--- a/lib/minmax.h
+++ b/lib/minmax.h
@@ -1,5 +1,5 @@
 /* MIN, MAX macros.
-   Copyright (C) 1995, 1998, 2001, 2003 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1998, 2001, 2003, 2005 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
@@ -24,8 +24,15 @@
    #include this file as the last one among the #include list.  */
 
 /* Before we define the following symbols we get the <limits.h> file
-   since otherwise we get redefinitions on some systems.  */
-#include <limits.h>
+   since otherwise we get redefinitions on some systems if <limits.h> is
+   included after this file.  Likewise for <sys/param.h>.
+   If more than one of these system headers define MIN and MAX, pick just
+   one of the headers (because the definitions most likely are the same).  */
+#if HAVE_MINMAX_IN_LIMITS_H
+# include <limits.h>
+#elif HAVE_MINMAX_IN_SYS_PARAM_H
+# include <sys/param.h>
+#endif
 
 /* Note: MIN and MAX should be used with two arguments of the
    same type.  They might not return the minimum and maximum of their two