--- ./src/bin/ibuild/ibdialogs.c.orig	Thu Sep 24 01:43:09 1992
+++ ./src/bin/ibuild/ibdialogs.c	Wed Jul  9 00:26:21 2003
@@ -60,7 +60,12 @@
 #include <InterViews/tray.h>
 #include <OS/types.h>
 
+#if __FreeBSD__ >= 2
+#include <osreldate.h>
+#if (__FreeBSD_cc_version < 400002 && __FreeBSD_version < 500000)
 #include <osfcn.h>
+#endif
+#endif
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>