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# found in the LICENSE file. 6 7 """ 8 Make sure we don't cause unnecessary builds due to import libs appearing 9 to be out of date. 10 """ 11 12 import TestGyp 13 14 import os 15 import sys 16 import time 17 18 if sys.platform == 'win32': 19 test = TestGyp.TestGyp(formats=['msvs', 'ninja']) 20 21 if not os.environ.get('ProgramFiles(x86)'): 22 # TODO(scottmg) 23 print 'Skipping test on x86, http://crbug.com/365833' 24 test.pass_test() 25 26 CHDIR = 'importlib' 27 test.run_gyp('importlib.gyp', chdir=CHDIR) 28 test.build('importlib.gyp', test.ALL, chdir=CHDIR) 29 30 # Delay briefly so that there's time for this touch not to have the 31 # timestamp as the previous run. 32 test.sleep() 33 34 # Touch the .cc file; the .dll will rebuild, but the import libs timestamp 35 # won't be updated. 36 test.touch('importlib/has-exports.cc') 37 test.build('importlib.gyp', 'test_importlib', chdir=CHDIR) 38 39 # This is the important part. The .dll above will relink and have an updated 40 # timestamp, however the import .libs timestamp won't be updated. So, we 41 # have to handle restating inputs in ninja so the final binary doesn't 42 # continually relink (due to thinking the .lib isn't up to date). 43 test.up_to_date('importlib.gyp', test.ALL, chdir=CHDIR) 44 45 test.pass_test() 46
