$NetBSD: patch-ytnefprint_Makefile.am,v 1.1 2017/08/17 09:49:47 nros Exp $
Use installed copy of ytnef library so we can have the programs in a 
separate package.
--- ytnefprint/Makefile.am.orig	2017-08-17 08:50:42.000000000 +0000
+++ ytnefprint/Makefile.am
@@ -1,6 +1,6 @@
 bin_PROGRAMS = ytnefprint
 
-ytnefprint_CPPFLAGS = -I$(top_srcdir)/lib
+ytnefprint_CPPFLAGS = -I$(prefix)/include
 ytnefprint_SOURCES = main.c
-ytnefprint_LDADD = $(top_builddir)/lib/libytnef.la
+ytnefprint_LDADD = $(prefix)/lib/libytnef.la