Fix gyp->make translation of rules with several outputs.

test/actions-multiple-outputs-with-dependencies/gyptest-action.py

+#!/usr/bin/env python
+
+# Copyright (c) 2015 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""
+Verifies actions with multiple outputs & dependncies will correctly rebuild.
+
+This is a regression test for crrev.com/1177163002.
+"""
+
+import TestGyp
+import os
+import time
+
+test = TestGyp.TestGyp()
+
+TESTDIR='relocate/src'
+test.run_gyp('action.gyp', chdir='src')
+test.relocate('src', TESTDIR)
+
+def build_and_check(content):
+  test.write(TESTDIR + '/input.txt', content)
+  test.build('action.gyp', 'upper', chdir=TESTDIR)
+  test.built_file_must_match('result.txt', content, chdir=TESTDIR)
+
+build_and_check('Content for first build.')
+
+# Ninja works with timestamps and the test above is fast enough that the
+# 'updated' file may end up with the same timestamp as the original, meaning
+# that ninja may not always recognize the input file has changed.
+if test.format == 'ninja':
+  time.sleep(1)
+
+build_and_check('An updated input file.')
+
+test.pass_test()