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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/LD
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']:
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', 'make'])
def TestTargetOveride():
expected = ['my_cc.py', 'my_cxx.py', 'FOO' ]
# ninja just uses $CC / $CXX as linker.
if test.format not in ['ninja', 'xcode-ninja']:
expected.append('FOO_LINK')
# Check that CC, CXX and LD set target compiler
oldenv = os.environ.copy()
try:
os.environ['CC'] = 'python %s/my_cc.py FOO' % here
os.environ['CXX'] = 'python %s/my_cxx.py FOO' % here
os.environ['LINK'] = 'python %s/my_ld.py FOO_LINK' % here
CheckCompiler(test, 'compiler-exe.gyp', expected, True)
finally:
os.environ.clear()
os.environ.update(oldenv)
# Run the same tests once the eviron has been restored. The
# generated should have embedded all the settings in the
# project files so the results should be the same.
CheckCompiler(test, 'compiler-exe.gyp', expected, False)
def TestTargetOverideCompilerOnly():
# Same test again but with that CC, CXX and not LD
oldenv = os.environ.copy()
try:
os.environ['CC'] = 'python %s/my_cc.py FOO' % here
os.environ['CXX'] = 'python %s/my_cxx.py FOO' % here
CheckCompiler(test, 'compiler-exe.gyp',
['my_cc.py', 'my_cxx.py', 'FOO'],
True)
finally:
os.environ.clear()
os.environ.update(oldenv)
# Run the same tests once the eviron has been restored. The
# generated should have embedded all the settings in the
# project files so the results should be the same.
CheckCompiler(test, 'compiler-exe.gyp',
['my_cc.py', 'my_cxx.py', 'FOO'],
False)
def TestHostOveride():
expected = ['my_cc.py', 'my_cxx.py', 'HOST' ]
if test.format != 'ninja': # ninja just uses $CC / $CXX as linker.
expected.append('HOST_LINK')
# Check that CC_host sets host compilee
oldenv = os.environ.copy()
try:
os.environ['CC_host'] = 'python %s/my_cc.py HOST' % here
os.environ['CXX_host'] = 'python %s/my_cxx.py HOST' % here
os.environ['LINK_host'] = 'python %s/my_ld.py HOST_LINK' % here
CheckCompiler(test, 'compiler-host.gyp', expected, True)
finally:
os.environ.clear()
os.environ.update(oldenv)
# Run the same tests once the eviron has been restored. The
# generated should have embedded all the settings in the
# project files so the results should be the same.
CheckCompiler(test, 'compiler-host.gyp', expected, False)
TestTargetOveride()
TestTargetOverideCompilerOnly()
test.pass_test()