| # -*- Python -*- |
| # Copyright 2008 Google Inc. All Rights Reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| # |
| # Author: vladl@google.com (Vlad Losev) |
| # |
| # Shared SCons utilities for building Google Test's own tests. |
| # |
| |
| EnsurePythonVersion(2, 3) |
| |
| |
| class EnvCreator: |
| """Creates new customized environments from a base one.""" |
| |
| def _Remove(cls, env, attribute, value): |
| """Removes the given attribute value from the environment.""" |
| |
| attribute_values = env[attribute] |
| if value in attribute_values: |
| attribute_values.remove(value) |
| _Remove = classmethod(_Remove) |
| |
| def Create(cls, base_env, modifier=None): |
| # User should NOT create more than one environment with the same |
| # modifier (including None). |
| env = base_env.Clone() |
| if modifier: |
| modifier(env) |
| return env; |
| Create = classmethod(Create) |
| |
| # Each of the following methods modifies the environment for a particular |
| # purpose and can be used by clients for creating new environments. Each |
| # one needs to set the OBJ_SUFFIX variable to a unique suffix to |
| # differentiate targets built with that environment. Otherwise, SCons may |
| # complain about same target built with different settings. |
| |
| def UseOwnTuple(cls, env): |
| """Instructs Google Test to use its internal implementation of tuple.""" |
| |
| env['OBJ_SUFFIX'] = '_use_own_tuple' |
| env.Append(CPPDEFINES = 'GTEST_USE_OWN_TR1_TUPLE=1') |
| UseOwnTuple = classmethod(UseOwnTuple) |
| |
| def WarningOk(cls, env): |
| """Does not treat warnings as errors. |
| |
| Necessary for compiling gtest_unittest.cc, which triggers a gcc |
| warning when testing EXPECT_EQ(NULL, ptr).""" |
| |
| env['OBJ_SUFFIX'] = '_warning_ok' |
| if env['PLATFORM'] == 'win32': |
| cls._Remove(env, 'CCFLAGS', '-WX') |
| else: |
| cls._Remove(env, 'CCFLAGS', '-Werror') |
| WarningOk = classmethod(WarningOk) |
| |
| def WithExceptions(cls, env): |
| """Re-enables exceptions.""" |
| |
| env['OBJ_SUFFIX'] = '_ex' |
| if env['PLATFORM'] == 'win32': |
| env.Append(CCFLAGS=['/EHsc']) |
| env.Append(CPPDEFINES='_HAS_EXCEPTIONS=1') |
| cls._Remove(env, 'CPPDEFINES', '_HAS_EXCEPTIONS=0') |
| else: |
| env.Append(CCFLAGS='-fexceptions') |
| cls._Remove(env, 'CCFLAGS', '-fno-exceptions') |
| WithExceptions = classmethod(WithExceptions) |
| |
| def LessOptimized(cls, env): |
| """Disables certain optimizations on Windows. |
| |
| We need to disable some optimization flags for some tests on |
| Windows; otherwise the redirection of stdout does not work |
| (apparently because of a compiler bug).""" |
| |
| env['OBJ_SUFFIX'] = '_less_optimized' |
| if env['PLATFORM'] == 'win32': |
| for flag in ['/O1', '/Os', '/Og', '/Oy']: |
| cls._Remove(env, 'LINKFLAGS', flag) |
| LessOptimized = classmethod(LessOptimized) |
| |
| def WithThreads(cls, env): |
| """Allows use of threads. |
| |
| Currently only enables pthreads under GCC.""" |
| |
| env['OBJ_SUFFIX'] = '_with_threads' |
| if env['PLATFORM'] != 'win32': |
| # Assuming POSIX-like environment with GCC. |
| # TODO(vladl@google.com): sniff presence of pthread_atfork instead of |
| # selecting on a platform. |
| env.Append(CCFLAGS=['-pthread']) |
| env.Append(LINKFLAGS=['-pthread']) |
| WithThreads = classmethod(WithThreads) |
| |
| def NoRtti(cls, env): |
| """Disables RTTI support.""" |
| |
| env['OBJ_SUFFIX'] = '_no_rtti' |
| if env['PLATFORM'] == 'win32': |
| env.Append(CCFLAGS=['/GR-']) |
| else: |
| env.Append(CCFLAGS=['-fno-rtti']) |
| env.Append(CPPDEFINES='GTEST_HAS_RTTI=0') |
| NoRtti = classmethod(NoRtti) |
| |
| |
| sconscript_exports = {'EnvCreator': EnvCreator} |
| Return('sconscript_exports') |