From b8b3163b859ab01cb5b2254e6c78fd63208d2f66 Mon Sep 17 00:00:00 2001
From: Rodger Combs <rodger.combs@gmail.com>
Date: Fri, 21 Oct 2016 01:51:17 -0500
Subject: [PATCH] wscript: rebuild on library header changes

In particular, libav<x>/version.h changing should trigger a rebuild
---
 wscript | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/wscript b/wscript
index b347364d2c..0ce644b9de 100644
--- a/wscript
+++ b/wscript
@@ -4,10 +4,14 @@ import sys, os, re
 sys.path.insert(0, os.path.join(os.getcwd(), 'waftools'))
 sys.path.insert(0, os.getcwd())
 from waflib.Configure import conf
+from waflib.Tools import c_preproc
 from waflib import Utils
 from waftools.checks.generic import *
 from waftools.checks.custom import *
 
+c_preproc.go_absolute=True # enable system folders
+c_preproc.standard_includes.append('/usr/local/include')
+
 build_options = [
     {
         'name': '--cplayer',