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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.
"""
Verifies the use of the environment during regeneration when the gyp file
changes, specifically via build of an executable with C preprocessor
definition specified by CFLAGS.
In this test, gyp and build both run in same local environment.
"""
import TestGyp
# CPPFLAGS works in ninja but not make; CFLAGS works in both
FORMATS = ('make', 'ninja')
test = TestGyp.TestGyp(formats=FORMATS)
# First set CFLAGS to blank in case the platform doesn't support unsetenv.
with TestGyp.LocalEnv({'CFLAGS': '',
'GYP_CROSSCOMPILE': '1'}):
test.run_gyp('cflags.gyp')
test.build('cflags.gyp')
expect = """FOO not defined\n"""
test.run_built_executable('cflags', stdout=expect)
test.run_built_executable('cflags_host', stdout=expect)
test.sleep()
with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1',
'GYP_CROSSCOMPILE': '1'}):
test.run_gyp('cflags.gyp')
test.build('cflags.gyp')
expect = """FOO defined\n"""
test.run_built_executable('cflags', stdout=expect)
# Environment variable CFLAGS shouldn't influence the flags for the host.
expect = """FOO not defined\n"""
test.run_built_executable('cflags_host', stdout=expect)
test.sleep()
with TestGyp.LocalEnv({'CFLAGS_host': '-DFOO=1',
'GYP_CROSSCOMPILE': '1'}):
test.run_gyp('cflags.gyp')
test.build('cflags.gyp')
# Environment variable CFLAGS_host should influence the flags for the host.
expect = """FOO defined\n"""
test.run_built_executable('cflags_host', stdout=expect)
test.sleep()
with TestGyp.LocalEnv({'CFLAGS': ''}):
test.run_gyp('cflags.gyp')
test.build('cflags.gyp')
expect = """FOO not defined\n"""
test.run_built_executable('cflags', stdout=expect)
test.sleep()
with TestGyp.LocalEnv({'CFLAGS': '-DFOO=1'}):
test.run_gyp('cflags.gyp')
test.build('cflags.gyp')
expect = """FOO defined\n"""
test.run_built_executable('cflags', stdout=expect)
test.pass_test()