1#!/usr/bin/env python 2 3# Copyright (c) 2012 Google Inc. All rights reserved. 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7""" 8Make sure we don't cause unnecessary builds due to import libs appearing 9to be out of date. 10""" 11 12import TestGyp 13 14import sys 15import time 16 17if sys.platform == 'win32': 18 test = TestGyp.TestGyp(formats=['msvs', 'ninja']) 19 20 CHDIR = 'importlib' 21 test.run_gyp('importlib.gyp', chdir=CHDIR) 22 test.build('importlib.gyp', test.ALL, chdir=CHDIR) 23 24 # Delay briefly so that there's time for this touch not to have the 25 # timestamp as the previous run. 26 test.sleep() 27 28 # Touch the .cc file; the .dll will rebuild, but the import libs timestamp 29 # won't be updated. 30 test.touch('importlib/has-exports.cc') 31 test.build('importlib.gyp', 'test_importlib', chdir=CHDIR) 32 33 # This is the important part. The .dll above will relink and have an updated 34 # timestamp, however the import .libs timestamp won't be updated. So, we 35 # have to handle restating inputs in ninja so the final binary doesn't 36 # continually relink (due to thinking the .lib isn't up to date). 37 test.up_to_date('importlib.gyp', test.ALL, chdir=CHDIR) 38 39 test.pass_test() 40