FreeBSD 4.8 and MacOS X 10.2 have a broken ncurses.h - if you don't
define _XOPEN_EXTENDED_SOURCE, the bug isn't triggered. Testing on
FreeBSD shows that nothing is broken by this change.
diff --git a/configure b/configure
index 53f567c..837f3e8 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in Revision: 1.436 .
+# From configure.in Revision: 1.437 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.57 for python 2.4.
#
@@ -1452,6 +1452,12 @@
# but used in struct sockaddr.sa_family. Reported by Tim Rice.
SCO_SV/3.2)
define_xopen_source=no;;
+ # On FreeBSD 4.8 and MacOS X 10.2, a bug in ncurses.h means that
+ # it craps out if _XOPEN_EXTENDED_SOURCE is defined. Apparently,
+ # this is fixed in 10.3, which identifies itself as Darwin/7.*
+ # This should hopefully be fixed in FreeBSD 4.9
+ FreeBSD/4.8* | Darwin/6* )
+ define_xopen_source=no;;
esac
if test $define_xopen_source = yes