$NetBSD: patch-aj,v 1.1 2008/04/29 09:31:09 sborrill Exp $

--- libgphoto2_port/serial/unix.c.orig	2008-03-24 19:00:32.000000000 +0000
+++ libgphoto2_port/serial/unix.c	2008-04-25 00:10:34.000000000 +0100
@@ -38,6 +38,9 @@
 #ifdef HAVE_UNISTD_H
 #include <unistd.h>
 #endif
+#ifdef __NetBSD__
+#define _NETBSD_SOURCE
+#endif
 #ifdef HAVE_FCNTL_H
 #include <fcntl.h>
 #endif