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-rw-r--r--site_scons/site_tools/distcc.py97
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diff --git a/site_scons/site_tools/distcc.py b/site_scons/site_tools/distcc.py
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--- a/site_scons/site_tools/distcc.py
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-#!/usr/bin/python2.4
-# 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.
-
-"""Distcc support for SCons.
-
-Since this modifies the C compiler strings, it must be specified after the
-compiler tool in the tool list.
-
-Distcc support can be enabled by specifying --distcc on the SCons command
-line.
-"""
-
-
-import optparse
-import os
-import sys
-from SCons.compat._scons_optparse import OptionConflictError
-import SCons.Script
-
-
-def generate(env):
- # NOTE: SCons requires the use of this name, which fails gpylint.
- """SCons entry point for this tool."""
- if not env.Detect('distcc'):
- return
-
- try:
- SCons.Script.AddOption(
- '--distcc',
- dest='distcc',
- action='store_true',
- help='enable distcc support')
- SCons.Script.Help(' --distcc Enable distcc suport.\n')
-
- except (OptionConflictError, optparse.OptionConflictError):
- # The distcc tool can be specified for multiple platforms, but the
- # --distcc option can only be added once. Ignore the error which
- # results from trying to add it a second time.
- pass
-
- # If distcc isn't enabled, stop now
- if not env.GetOption('distcc'):
- return
-
- # Copy DISTCC_HOSTS and HOME environment variables from system environment
- for envvar in ('DISTCC_HOSTS', 'HOME'):
- value = env.get(envvar, os.environ.get(envvar))
- if not value:
- print 'Warning: %s not set in environment; disabling distcc.' % envvar
- return
- env['ENV'][envvar] = value
-
- # Set name of distcc tool
- env['DISTCC'] = 'distcc'
-
- # Modify compilers we support
- distcc_compilers = env.get('DISTCC_COMPILERS', ['cc', 'gcc', 'c++', 'g++'])
- for compiler_var in ('CC', 'CXX'):
- compiler = env.get(compiler_var)
- if compiler in distcc_compilers:
- if sys.platform == 'darwin':
- # On Mac, distcc requires the full path to the compiler
- compiler = env.WhereIs(compiler)
- env[compiler_var] = '$DISTCC ' + compiler
-
-
-def exists(env):
- """Returns true if tool exists."""
- # NOTE: SCons requires the use of this name, which fails gpylint.
- return env.Detect('distcc')