diff options
Diffstat (limited to 'third_party/python/gyp/test/no-cpp')
5 files changed, 84 insertions, 0 deletions
diff --git a/third_party/python/gyp/test/no-cpp/gyptest-no-cpp.py b/third_party/python/gyp/test/no-cpp/gyptest-no-cpp.py new file mode 100644 index 0000000000..a5d64512af --- /dev/null +++ b/third_party/python/gyp/test/no-cpp/gyptest-no-cpp.py @@ -0,0 +1,53 @@ +#!/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() diff --git a/third_party/python/gyp/test/no-cpp/src/call-f-main.c b/third_party/python/gyp/test/no-cpp/src/call-f-main.c new file mode 100644 index 0000000000..8b95c5910e --- /dev/null +++ b/third_party/python/gyp/test/no-cpp/src/call-f-main.c @@ -0,0 +1,2 @@ +void* f(); +int main() { f(); } diff --git a/third_party/python/gyp/test/no-cpp/src/empty-main.c b/third_party/python/gyp/test/no-cpp/src/empty-main.c new file mode 100644 index 0000000000..237c8ce181 --- /dev/null +++ b/third_party/python/gyp/test/no-cpp/src/empty-main.c @@ -0,0 +1 @@ +int main() {} diff --git a/third_party/python/gyp/test/no-cpp/src/f.cc b/third_party/python/gyp/test/no-cpp/src/f.cc new file mode 100644 index 0000000000..02f50f21a0 --- /dev/null +++ b/third_party/python/gyp/test/no-cpp/src/f.cc @@ -0,0 +1,3 @@ +extern "C" { void* f(); } + +void* f() { return new int; } diff --git a/third_party/python/gyp/test/no-cpp/src/test.gyp b/third_party/python/gyp/test/no-cpp/src/test.gyp new file mode 100644 index 0000000000..417015ec80 --- /dev/null +++ b/third_party/python/gyp/test/no-cpp/src/test.gyp @@ -0,0 +1,25 @@ +# Copyright (c) 2013 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. +{ + 'targets': [ + { + 'target_name': 'no_cpp', + 'type': 'executable', + 'sources': [ 'empty-main.c' ], + }, + # A static_library with a cpp file and a linkable with only .c files + # depending on it causes a linker error: + { + 'target_name': 'cpp_lib', + 'type': 'static_library', + 'sources': [ 'f.cc' ], + }, + { + 'target_name': 'no_cpp_dep_on_cc_lib', + 'type': 'executable', + 'dependencies': [ 'cpp_lib' ], + 'sources': [ 'call-f-main.c' ], + }, + ], +} |