diff -ru m4-1.4.14.orig/src/path.c m4-1.4.14/src/path.c
--- m4-1.4.14.orig/src/path.c	2010-08-15 07:26:56.990100662 -0500
+++ m4-1.4.14/src/path.c	2010-08-15 07:27:25.985853921 -0500
@@ -23,6 +23,7 @@
    and "sinclude".  */
 
 #include "m4.h"
+#include <sys/stat.h>
 
 struct includes
 {