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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.
"""
Checks that C-only targets aren't linked against libstdc++.
"""
import TestGyp
import re
import subprocess
import sys
# set |match| to ignore build stderr output.
test = TestGyp.TestGyp(match = lambda a, b: True)
if (sys.platform != 'win32' and
not (sys.platform == 'darwin' and test.format == 'make')):
# TODO: Does a test like this make sense with Windows?
CHDIR = 'src'
test.run_gyp('test.gyp', chdir=CHDIR)
test.build('test.gyp', 'no_cpp', chdir=CHDIR)
def LinksLibStdCpp(path):
path = test.built_file_path(path, chdir=CHDIR)
if sys.platform == 'darwin':
proc = subprocess.Popen(['otool', '-L', path], stdout=subprocess.PIPE)
else:
proc = subprocess.Popen(['ldd', path], stdout=subprocess.PIPE)
output = proc.communicate()[0].decode('utf-8')
assert not proc.returncode
return 'libstdc++' in output or 'libc++' in output
if LinksLibStdCpp('no_cpp'):
test.fail_test()
# Make, ninja, and CMake pick the compiler driver based on transitive
# checks. Xcode doesn't.
build_error_code = {
'xcode': 65, # EX_DATAERR, see `man sysexits`
'make': 0,
'ninja': 0,
'cmake': 0,
'xcode-ninja': 0,
}[test.format]
test.build('test.gyp', 'no_cpp_dep_on_cc_lib', chdir=CHDIR,
status=build_error_code)
test.pass_test()
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