--- libnetbsd/Makefile.am.orig	2010-01-03 21:46:29.000000000 -0800
+++ libnetbsd/Makefile.am	2012-05-03 15:58:12.000000000 -0700
@@ -6,3 +6,3 @@
 
-CPPFLAGS = \
+AM_CPPFLAGS = \
 	-I$(srcdir) \