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# vim:expandtab:autoindent:tabstop=4:shiftwidth=4:filetype=python:textwidth=0:
# License: GPL2 or later see COPYING
# Written by Michael Brown
# Copyright (C) 2007 Michael E Brown <mebrown@michaels-house.net>
# python library imports
import os
# our imports
from mock.trace_decorator import decorate, traceLog, getLog
import mock.util
requires_api_version = "1.0"
# plugin entry point
decorate(traceLog())
def init(rootObj, conf):
CCache(rootObj, conf)
# classes
class CCache(object):
"""enables ccache in buildroot/rpmbuild"""
decorate(traceLog())
def __init__(self, rootObj, conf):
self.rootObj = rootObj
self.ccache_opts = conf
self.ccachePath = self.ccache_opts['dir'] % self.ccache_opts
rootObj.ccacheObj = self
rootObj.preExistingDeps = rootObj.preExistingDeps + " ccache "
rootObj.addHook("prebuild", self._ccacheBuildHook)
rootObj.addHook("preinit", self._ccachePreInitHook)
rootObj.umountCmds.append('umount -n %s' % rootObj.makeChrootPath("/tmp/ccache"))
rootObj.mountCmds.append('mount -n --bind %s %s' % (self.ccachePath, rootObj.makeChrootPath("/tmp/ccache")))
# =============
# 'Private' API
# =============
# set the max size before we actually use it during a build.
# ccache itself manages size and settings.
decorate(traceLog())
def _ccacheBuildHook(self):
self.rootObj.doChroot(["ccache", "-M", str(self.ccache_opts['max_cache_size'])], shell=False)
# basic idea here is that we add 'cc', 'gcc', 'g++' shell scripts to
# to /tmp/ccache, which is bind-mounted from a shared location.
# we then add this to the front of the path.
# we also set a few admin variables used by ccache to find the shared
# cache.
decorate(traceLog())
def _ccachePreInitHook(self):
mock.util.mkdirIfAbsent(self.rootObj.makeChrootPath('/tmp/ccache'))
mock.util.mkdirIfAbsent(self.ccachePath)
os.environ['PATH'] = "/tmp/ccache:%s" % (os.environ['PATH'])
os.environ['CCACHE_DIR'] = "/tmp/ccache"
os.environ['CCACHE_UMASK'] = "002"
for i in ("cc", "gcc", "gcc296", "gcc32", "gcc33", "gcc34",
"g++", "c++", "c++32", "c++33", "c++34", "g++296", "g++32", "g++33", "g++34",
"g++-libstdc++-so_7",):
forceLink("/usr/bin/ccache", os.path.join(self.ccachePath, "%s" % i))
forceLink("/usr/bin/ccache", os.path.join(self.ccachePath, "x86_64-redhat-linux-%s" % i))
forceLink("/usr/bin/ccache", os.path.join(self.ccachePath, "i386-redhat-linux-%s" % i))
decorate(traceLog())
def forceLink( existing, linkname ):
try:
os.unlink(linkname)
except OSError:
pass
os.symlink(existing, linkname)
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