$NetBSD: patch-aa,v 1.2 2014/03/14 17:55:49 taca Exp $

Relax condition to make more operating system support.

--- extconf.rb.orig	2014-03-06 16:01:44.000000000 +0000
+++ extconf.rb
@@ -16,10 +16,7 @@ $CFLAGS = case RUBY_VERSION
 implementation = case CONFIG['host_os']
                  when /linux/i; 'shadow'
                  when /sunos|solaris/i; 'shadow'
-                 when /freebsd|openbsd/i; 'pwd'
-                 when /darwin/i; 'pwd'
-                 else; nil
-                   "This library works on OS X, FreeBSD, OpenBSD, Solaris and Linux."
+                 else; 'pwd'
                  end
 
 ok = true