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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""
Makefile execution.
Multiple `makes` can be run within the same process. Each one has an entirely data.Makefile and .Target
structure, environment, and working directory. Typically they will all share a parallel execution context,
except when a submake specifies -j1 when the parent make is building in parallel.
"""
import os, subprocess, sys, logging, time, traceback, re
from optparse import OptionParser
import data, parserdata, process, util
# TODO: If this ever goes from relocatable package to system-installed, this may need to be
# a configured-in path.
makepypath = util.normaljoin(os.path.dirname(__file__), '../make.py')
_simpleopts = re.compile(r'^[a-zA-Z]+(\s|$)')
def parsemakeflags(env):
"""
Parse MAKEFLAGS from the environment into a sequence of command-line arguments.
"""
makeflags = env.get('MAKEFLAGS', '')
makeflags = makeflags.strip()
if makeflags == '':
return []
if _simpleopts.match(makeflags):
makeflags = '-' + makeflags
opts = []
curopt = ''
i = 0
while i < len(makeflags):
c = makeflags[i]
if c.isspace():
opts.append(curopt)
curopt = ''
i += 1
while i < len(makeflags) and makeflags[i].isspace():
i += 1
continue
if c == '\\':
i += 1
if i == len(makeflags):
raise data.DataError("MAKEFLAGS has trailing backslash")
c = makeflags[i]
curopt += c
i += 1
if curopt != '':
opts.append(curopt)
return opts
def _version(*args):
print """pymake: GNU-compatible make program
Copyright (C) 2009 The Mozilla Foundation <http://www.mozilla.org/>
This is free software; see the source for copying conditions.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE."""
_log = logging.getLogger('pymake.execution')
class _MakeContext(object):
def __init__(self, makeflags, makelevel, workdir, context, env, targets, options, ostmts, overrides, cb):
self.makeflags = makeflags
self.makelevel = makelevel
self.workdir = workdir
self.context = context
self.env = env
self.targets = targets
self.options = options
self.ostmts = ostmts
self.overrides = overrides
self.cb = cb
self.restarts = 0
self.remakecb(True)
def remakecb(self, remade, error=None):
if error is not None:
print error
self.context.defer(self.cb, 2)
return
if remade:
if self.restarts > 0:
_log.info("make.py[%i]: Restarting makefile parsing", self.makelevel)
self.makefile = data.Makefile(restarts=self.restarts,
make='%s %s' % (sys.executable.replace('\\', '/'), makepypath.replace('\\', '/')),
makeflags=self.makeflags,
makeoverrides=self.overrides,
workdir=self.workdir,
context=self.context,
env=self.env,
makelevel=self.makelevel,
targets=self.targets,
keepgoing=self.options.keepgoing,
silent=self.options.silent,
justprint=self.options.justprint)
self.restarts += 1
try:
self.ostmts.execute(self.makefile)
for f in self.options.makefiles:
self.makefile.include(f)
self.makefile.finishparsing()
self.makefile.remakemakefiles(self.remakecb)
except util.MakeError, e:
print e
self.context.defer(self.cb, 2)
return
if len(self.targets) == 0:
if self.makefile.defaulttarget is None:
print "No target specified and no default target found."
self.context.defer(self.cb, 2)
return
_log.info("Making default target %s", self.makefile.defaulttarget)
self.realtargets = [self.makefile.defaulttarget]
self.tstack = ['<default-target>']
else:
self.realtargets = self.targets
self.tstack = ['<command-line>']
self.makefile.gettarget(self.realtargets.pop(0)).make(self.makefile, self.tstack, cb=self.makecb)
def makecb(self, error, didanything):
assert error in (True, False)
if error:
self.context.defer(self.cb, 2)
return
if not len(self.realtargets):
if self.options.printdir:
print "make.py[%i]: Leaving directory '%s'" % (self.makelevel, self.workdir)
sys.stdout.flush()
self.context.defer(self.cb, 0)
else:
self.makefile.gettarget(self.realtargets.pop(0)).make(self.makefile, self.tstack, self.makecb)
def main(args, env, cwd, cb):
"""
Start a single makefile execution, given a command line, working directory, and environment.
@param cb a callback to notify with an exit code when make execution is finished.
"""
try:
makelevel = int(env.get('MAKELEVEL', '0'))
op = OptionParser()
op.add_option('-f', '--file', '--makefile',
action='append',
dest='makefiles',
default=[])
op.add_option('-d',
action="store_true",
dest="verbose", default=False)
op.add_option('-k', '--keep-going',
action="store_true",
dest="keepgoing", default=False)
op.add_option('--debug-log',
dest="debuglog", default=None)
op.add_option('-C', '--directory',
dest="directory", default=None)
op.add_option('-v', '--version', action="store_true",
dest="printversion", default=False)
op.add_option('-j', '--jobs', type="int",
dest="jobcount", default=1)
op.add_option('-w', '--print-directory', action="store_true",
dest="printdir")
op.add_option('--no-print-directory', action="store_false",
dest="printdir", default=True)
op.add_option('-s', '--silent', action="store_true",
dest="silent", default=False)
op.add_option('-n', '--just-print', '--dry-run', '--recon',
action="store_true",
dest="justprint", default=False)
options, arguments1 = op.parse_args(parsemakeflags(env))
options, arguments2 = op.parse_args(args, values=options)
op.destroy()
arguments = arguments1 + arguments2
if options.printversion:
_version()
cb(0)
return
shortflags = []
longflags = []
if options.keepgoing:
shortflags.append('k')
if options.printdir:
shortflags.append('w')
if options.silent:
shortflags.append('s')
options.printdir = False
if options.justprint:
shortflags.append('n')
loglevel = logging.WARNING
if options.verbose:
loglevel = logging.DEBUG
shortflags.append('d')
logkwargs = {}
if options.debuglog:
logkwargs['filename'] = options.debuglog
longflags.append('--debug-log=%s' % options.debuglog)
if options.directory is None:
workdir = cwd
else:
workdir = util.normaljoin(cwd, options.directory)
if options.jobcount != 1:
longflags.append('-j%i' % (options.jobcount,))
makeflags = ''.join(shortflags)
if len(longflags):
makeflags += ' ' + ' '.join(longflags)
logging.basicConfig(level=loglevel, **logkwargs)
context = process.getcontext(options.jobcount)
if options.printdir:
print "make.py[%i]: Entering directory '%s'" % (makelevel, workdir)
sys.stdout.flush()
if len(options.makefiles) == 0:
if os.path.exists(util.normaljoin(workdir, 'Makefile')):
options.makefiles.append('Makefile')
else:
print "No makefile found"
cb(2)
return
ostmts, targets, overrides = parserdata.parsecommandlineargs(arguments)
_MakeContext(makeflags, makelevel, workdir, context, env, targets, options, ostmts, overrides, cb)
except (util.MakeError), e:
print e
if options.printdir:
print "make.py[%i]: Leaving directory '%s'" % (makelevel, workdir)
sys.stdout.flush()
cb(2)
return
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