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Edit File: gyptest-cflags.py
#!/usr/bin/env python # Copyright (c) 2010 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 build of an executable with C++ define specified by a gyp define, and the use of the environment during regeneration when the gyp file changes. """ import os import TestGyp env_stack = [] def PushEnv(): env_copy = os.environ.copy() env_stack.append(env_copy) def PopEnv(): os.eniron=env_stack.pop() # Regenerating build files when a gyp file changes is currently only supported # by the make generator. test = TestGyp.TestGyp(formats=['make']) try: PushEnv() os.environ['CFLAGS'] = '-O0' test.run_gyp('cflags.gyp') finally: # We clear the environ after calling gyp. When the auto-regeneration happens, # the same define should be reused anyway. Reset to empty string first in # case the platform doesn't support unsetenv. PopEnv() test.build('cflags.gyp') expect = """\ Using no optimization flag """ test.run_built_executable('cflags', stdout=expect) test.sleep() try: PushEnv() os.environ['CFLAGS'] = '-O2' test.run_gyp('cflags.gyp') finally: # We clear the environ after calling gyp. When the auto-regeneration happens, # the same define should be reused anyway. Reset to empty string first in # case the platform doesn't support unsetenv. PopEnv() test.build('cflags.gyp') expect = """\ Using an optimization flag """ test.run_built_executable('cflags', stdout=expect) test.pass_test()