$NetBSD$
# This suppresses the noisy warning that __func__ redefined

--- base/gserror.h.orig	2009-02-10 07:18:18.000000000 +0900
+++ base/gserror.h	2010-12-20 16:28:11.000000000 +0900
@@ -25,6 +25,9 @@
 #define return_error(err) return gs_note_error(err)
 
 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901L
+# if (defined(__func__))
+#  undef __func__
+# endif
 #  if defined(__GNUC__) && __GNUC__ >= 2
 #    define __func__ __FUNCTION__
 #  elif defined(__FUNCTION__)