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 Verifies that xcode-style GCC_... settings are handled properly. 9 """ 10 11 import TestGyp 12 13 import os 14 import subprocess 15 import sys 16 17 def IgnoreOutput(string, expected_string): 18 return True 19 20 def CompilerVersion(compiler): 21 stdout = subprocess.check_output([compiler, '-v'], stderr=subprocess.STDOUT) 22 return stdout.rstrip('\n') 23 24 def CompilerSupportsWarnAboutInvalidOffsetOfMacro(test): 25 # "clang" does not support the "-Winvalid-offsetof" flag, and silently 26 # ignore it. Starting with Xcode 5.0.0, "gcc" is just a "clang" binary with 27 # some hard-coded include path hack, so use the output of "-v" to detect if 28 # the compiler supports the flag or not. 29 return 'clang' not in CompilerVersion('/usr/bin/cc') 30 31 if sys.platform == 'darwin': 32 test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode']) 33 34 CHDIR = 'xcode-gcc' 35 test.run_gyp('test.gyp', chdir=CHDIR) 36 37 # List of targets that'll pass. It expects targets of the same name with 38 # '-fail' appended that'll fail to build. 39 targets = [ 40 'warn_about_missing_newline', 41 ] 42 43 # clang doesn't warn on invalid offsetofs, it silently ignores 44 # -Wno-invalid-offsetof. 45 if CompilerSupportsWarnAboutInvalidOffsetOfMacro(test): 46 targets.append('warn_about_invalid_offsetof_macro') 47 48 for target in targets: 49 test.build('test.gyp', target, chdir=CHDIR) 50 test.built_file_must_exist(target, chdir=CHDIR) 51 fail_target = target + '-fail' 52 test.build('test.gyp', fail_target, chdir=CHDIR, status=None, 53 stderr=None, match=IgnoreOutput) 54 test.built_file_must_not_exist(fail_target, chdir=CHDIR) 55 56 test.pass_test() 57
