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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 that the user can override the compiler and linker using
CC/CXX/NM/READELF environment variables.
"""
import TestGyp
import os
import copy
import sys
here = os.path.dirname(os.path.abspath(__file__))
if sys.platform == 'win32':
# cross compiling not supported by ninja on windows
# and make not supported on windows at all.
sys.exit(0)
# Clear any existing compiler related env vars.
for key in ['CC', 'CXX', 'LINK', 'CC_host', 'CXX_host', 'LINK_host',
'NM_target', 'READELF_target']:
if key in os.environ:
del os.environ[key]
def CheckCompiler(test, gypfile, check_for, run_gyp):
if run_gyp:
test.run_gyp(gypfile)
test.build(gypfile)
test.must_contain_all_lines(test.stdout(), check_for)
test = TestGyp.TestGyp(formats=['ninja'])
# Must set the test format to something with a flavor (the part after the '-')
# in order to test the desired behavior. Since we want to run a non-host
# toolchain, we have to set the flavor to something that the ninja generator
# doesn't know about, so it doesn't default to the host-specific tools (e.g.,
# 'otool' on mac to generate the .TOC).
#
# Note that we can't just pass format=['ninja-some_toolchain'] to the
# constructor above, because then this test wouldn't be recognized as a ninja
# format test.
test.formats = ['ninja-my_flavor' if f == 'ninja' else f for f in test.formats]
def TestTargetOverideSharedLib():
# The std output from nm and readelf is redirected to files, so we can't
# expect their output to appear. Instead, check for the files they create to
# see if they actually ran.
expected = ['my_cc.py', 'my_cxx.py', 'FOO']
# Check that CC, CXX, NM, READELF, set target compiler
env = {'CC': 'python %s/my_cc.py FOO' % here,
'CXX': 'python %s/my_cxx.py FOO' % here,
'NM': 'python %s/my_nm.py' % here,
'READELF': 'python %s/my_readelf.py' % here}
with TestGyp.LocalEnv(env):
CheckCompiler(test, 'compiler-shared-lib.gyp', expected, True)
test.must_contain(test.built_file_path('RAN_MY_NM'), 'RAN_MY_NM')
test.must_contain(test.built_file_path('RAN_MY_READELF'), 'RAN_MY_READELF')
test.unlink(test.built_file_path('RAN_MY_NM'))
test.unlink(test.built_file_path('RAN_MY_READELF'))
# Run the same tests once the eviron has been restored. The generated
# projects should have embedded all the settings in the project files so the
# results should be the same.
CheckCompiler(test, 'compiler-shared-lib.gyp', expected, False)
test.must_contain(test.built_file_path('RAN_MY_NM'), 'RAN_MY_NM')
test.must_contain(test.built_file_path('RAN_MY_READELF'), 'RAN_MY_READELF')
TestTargetOverideSharedLib()
test.pass_test()
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