$NetBSD$

--- argz.h.orig	2003-01-20 17:38:35.000000000 -0800
+++ argz.h
@@ -38,7 +38,9 @@
 #ifndef _ARGZ_H
 #define _ARGZ_H	1
 
+#ifdef HAVE_FEATURES_H
 #include <features.h>
+#endif
 
 #define __need_error_t
 #include <errno.h>
