Changes to m4/src/m4.h [branch-1_4]

[Gary V . Vaughan]

Index: m4/src/m4.h
diff -u m4/src/m4.h:1.1.1.1.2.2 m4/src/m4.h:1.1.1.1.2.3
--- m4/src/m4.h:1.1.1.1.2.2     Thu Feb  3 17:09:11 2005
+++ m4/src/m4.h Thu Feb  3 17:11:46 2005
@@ -26,6 +26,14 @@
 # include <config.h>
 #endif
 
+/* Canonicalise Windows and Cygwin recognition macros.  */
+#if defined __CYGWIN32__ && !defined __CYGWIN__
+#  define __CYGWIN__ __CYGWIN32__
+#endif
+#if defined _WIN32 && !defined WIN32
+#  define WIN32 _WIN32
+#endif
+
 #include <sys/types.h>
 
 #ifdef __STDC__