From fb2c405492b5373bd66c900c5455deccea9bec17 Mon Sep 17 00:00:00 2001
From: Nathan Froyd <froydnj@mozilla.com>
Date: Wed, 21 Oct 2015 10:38:18 -0400
Subject: [PATCH] Bug 1215526 - part 3 - make preprocessor.preprocessor report
 all included files; r=glandium

For GENERATED_FILES scripts that want to report dependencies, this
change makes it easy to use |preprocess|, rather than having to
construct and use |Preprocessor| manually.
---
 python/mozbuild/mozbuild/preprocessor.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/python/mozbuild/mozbuild/preprocessor.py b/python/mozbuild/mozbuild/preprocessor.py
index e671fa1da69c..a85c14dca382 100644
--- a/python/mozbuild/mozbuild/preprocessor.py
+++ b/python/mozbuild/mozbuild/preprocessor.py
@@ -785,6 +785,7 @@ def preprocess(includes=[sys.stdin], defines={},
     for f in includes:
         with open(f, 'rU') as input:
             pp.processFile(input=input, output=output)
+    return pp.includes
 
 
 # Keep this module independently executable.