--- compface.h~	2000-11-22 15:38:39.000000000 +0200
+++ compface.h	2003-05-03 15:06:19.000000000 +0300
@@ -17,6 +17,7 @@
 #define COMPFACE_H
 
 #include <setjmp.h>
+#include <errno.h>
 
 /* For all function declarations, if ANSI then use a prototype. */