76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
# -*- python -*-
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##
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## ToolCCache.py - SCons tool for integrating with CCache compiler cache
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##
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# Copyright (C) Lumiera.org and FreeOrion.org
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# 2008, Hermann Vosseler <Ichthyostega@web.de>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#####################################################################
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# This SCons builder was extracted from http://www.freeorion.org/
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# FreeOrion is an open-source platform-independent galactic conquest game
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#
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# history: 12/2008 adapted for Lumiera build system
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import os
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from Buildhelper import *
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def generate(env):
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""" Modify the environment such as to redirect any
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C/C++ compiler invocations through CCache, while using
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CCache config variables found in the os.environment.
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"""
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if not exists(env): return
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assert env['CCACHE']
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if not env['CCACHE'] in env['CC']:
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env['CC'] = env.subst('$CCACHE $CC')
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if not env['CCACHE'] in env['CXX']:
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env['CXX'] = env.subst('$CCACHE $CXX')
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print env.subst("* Build using $CCACHE")
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for i in ['HOME'
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,'CCACHE_DIR'
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,'CCACHE_TEMPDIR'
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,'CCACHE_LOGFILE'
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,'CCACHE_PATH'
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,'CCACHE_CC'
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,'CCACHE_CPP2'
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,'CCACHE_PREFIX'
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,'CCACHE_DISABLE'
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,'CCACHE_READONLY'
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,'CCACHE_NOSTATS'
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,'CCACHE_NLEVELS'
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,'CCACHE_HARDLINK'
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,'CCACHE_RECACHE'
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,'CCACHE_UMASK'
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,'CCACHE_HASHDIR'
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,'CCACHE_UNIFY'
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,'CCACHE_EXTENSION'
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]:
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if os.environ.has_key(i) and not env.has_key(i):
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env['ENV'][i] = os.environ[i]
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def exists(env):
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""" Ensure CCache is available.
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"""
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return checkCommandOption(env, 'CCACHE', cmdName='ccache')
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