$NetBSD$

--- aclocal.m4	2004/03/15 08:07:48	1.1
+++ aclocal.m4	2004/03/15 08:10:11
@@ -229,6 +229,7 @@
 [AC_TRY_COMPILE([
 #include "confdefs.h"    /* the header built by configure so far */
 #include <stdio.h>
+#include <errno.h>
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif
