# http://article.gmane.org/gmane.comp.gnu.m4.patches/1214

diff -Nru m4-1.4.14.orig/src/m4.h m4-1.4.14/src/m4.h
--- m4-1.4.14.orig/src/m4.h	2010-08-06 08:46:39.299428640 +0000
+++ m4-1.4.14/src/m4.h	2010-08-06 08:47:02.695302376 +0000
@@ -33,6 +33,7 @@
 #include <stdint.h>
 #include <string.h>
+#include <sys/stat.h>
 #include <sys/types.h>
 
 #include "binary-io.h"
 #include "clean-temp.h"