--- compface.h.orig	Sun Jun 18 17:39:08 2006
+++ compface.h	Sun Jun 18 17:39:32 2006
@@ -16,6 +16,7 @@
 #ifndef COMPFACE_H
 #define COMPFACE_H
 
+#include <errno.h>
 #include <setjmp.h>
 
 /* For all function declarations, if ANSI then use a prototype. */
