1 #!/usr/bin/env python 2 3 # Copyright (c) 2012 Google Inc. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 """ 8 Checks that C-only targets aren't linked against libstdc++. 9 """ 10 11 import TestGyp 12 13 import re 14 import subprocess 15 import sys 16 17 # set |match| to ignore build stderr output. 18 test = TestGyp.TestGyp(match = lambda a, b: True) 19 if sys.platform != 'win32' and test.format not in ('make', 'android'): 20 # TODO: This doesn't pass with make. 21 # TODO: Does a test like this make sense with Windows? Android? 22 23 CHDIR = 'src' 24 test.run_gyp('test.gyp', chdir=CHDIR) 25 test.build('test.gyp', 'no_cpp', chdir=CHDIR) 26 27 def LinksLibStdCpp(path): 28 path = test.built_file_path(path, chdir=CHDIR) 29 if sys.platform == 'darwin': 30 proc = subprocess.Popen(['otool', '-L', path], stdout=subprocess.PIPE) 31 else: 32 proc = subprocess.Popen(['ldd', path], stdout=subprocess.PIPE) 33 output = proc.communicate()[0] 34 assert not proc.returncode 35 return 'libstdc++' in output or 'libc++' in output 36 37 if LinksLibStdCpp('no_cpp'): 38 test.fail_test() 39 40 build_error_code = { 41 'xcode': [1, 65], # 1 for xcode 3, 65 for xcode 4 (see `man sysexits`) 42 'make': 2, 43 'ninja': 1, 44 'cmake': 0, # CMake picks the compiler driver based on transitive checks. 45 }[test.format] 46 47 test.build('test.gyp', 'no_cpp_dep_on_cc_lib', chdir=CHDIR, 48 status=build_error_code) 49 50 test.pass_test() 51
