--- waf-light.orig	2010-11-25 11:11:50.000000000 +0100

+++ waf-light	2011-01-15 15:22:53.485315375 +0100

@@ -145,6 +145,9 @@

 		w = test(i + '/lib/' + dirname)

 		if w: return w

+	w = test('/usr/share/%s' % WAF)

+	if w: return w

+

 	#waf-local

 	dir = join(base, (sys.platform != 'win32' and '.' or '') + dirname)

 	w = test(dir)