$NetBSD: patch-ag,v 1.7 2017/05/15 13:04:03 jperkin Exp $

--- libbalsa/imap/imap-handle.c.orig	2012-10-29 22:33:31.000000000 +0000
+++ libbalsa/imap/imap-handle.c
@@ -16,11 +16,15 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  
  * 02111-1307, USA.
  */
-#include "config.h"
 
 #define _POSIX_C_SOURCE 199506L
-#define _XOPEN_SOURCE 500
+#ifndef __sun
+#define _XOPEN_SOURCE 520
+#endif
 #define _BSD_SOURCE     1
+#define _NETBSD_SOURCE
+
+#include "config.h"
 
 #include <sys/types.h>
 #include <sys/socket.h>
