gyptest-s-needs-no-depfiles.py

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#!/usr/bin/env python

# Copyright (c) 2012 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.

"""

Verify that .s files don't always trigger a rebuild, as would happen if depfiles

were used for them (since clang & gcc ignore -MMD when building .s->.o on

linux).

"""

import os

import sys

import TestCommon

import TestGyp

# NOTE(fischman): Each generator uses depfiles (or not) differently, so this is

# a ninja-specific test.

test = TestGyp.TestGyp(formats=['ninja'])

if sys.platform == 'win32' or sys.platform == 'win64':

  # This test is about clang/gcc vs. depfiles; VS gets a pass.

  test.pass_test()

  sys.exit(0)

test.run_gyp('s-needs-no-depfiles.gyp')

# Build the library, grab its timestamp, rebuild the library, ensure timestamp

# hasn't changed.

test.build('s-needs-no-depfiles.gyp', 'empty')

empty_dll = test.built_file_path('empty', test.SHARED_LIB)

test.built_file_must_exist(empty_dll)

pre_stat = os.stat(test.built_file_path(empty_dll))

test.sleep()

test.build('s-needs-no-depfiles.gyp', 'empty')

post_stat = os.stat(test.built_file_path(empty_dll))

if pre_stat.st_mtime != post_stat.st_mtime:

  test.fail_test()

else:

  test.pass_test()