Disable _XOPEN_SOURCE on NetBSD 1.x.
Will backport to 2.5
diff --git a/configure b/configure
index f31661f..a2c80fb 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in Revision: 52454 .
+# From configure.in Revision: 52456 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.59 for python 2.6.
#
@@ -1555,6 +1555,11 @@
# Reconfirmed for OpenBSD 3.3 by Zachary Hamm, for 3.4 by Jason Ish.
OpenBSD/2.* | OpenBSD/3.[0123456789] | OpenBSD/4.[0])
define_xopen_source=no;;
+ # Defining _XOPEN_SOURCE on NetBSD version prior to the introduction of
+ # _NETBSD_SOURCE disables certain features (eg. setgroups). Reported by
+ # Marc Recht
+ NetBSD/1.5 | NetBSD/1.5.* | NetBSD/1.6 | NetBSD/1.6.* | NetBSD/1.6A-S)
+ define_xopen_source=no;;
# On Solaris 2.6, sys/wait.h is inconsistent in the usage
# of union __?sigval. Reported by Stuart Bishop.
SunOS/5.6)