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#!/usr/bin/env python3
# Copyright 2014 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys, os
import pickle
import argparse
import coredata, optinterpreter
from meson import build_types
parser = argparse.ArgumentParser()
parser.add_argument('-D', action='append', default=[], dest='sets',
help='Set an option to the given value.')
parser.add_argument('directory', nargs='*')
class ConfException(Exception):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
class Conf:
def __init__(self, build_dir):
self.build_dir = build_dir
self.coredata_file = os.path.join(build_dir, 'meson-private/coredata.dat')
self.build_file = os.path.join(build_dir, 'meson-private/build.dat')
if not os.path.isfile(self.coredata_file) or not os.path.isfile(self.build_file):
raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
self.coredata = pickle.load(open(self.coredata_file, 'rb'))
self.build = pickle.load(open(self.build_file, 'rb'))
if self.coredata.version != coredata.version:
raise ConfException('Version mismatch (%s vs %s)' %
(coredata.version, self.coredata.version))
def save(self):
# Only called if something has changed so overwrite unconditionally.
pickle.dump(self.coredata, open(self.coredata_file, 'wb'))
# We don't write the build file because any changes to it
# are erased when Meson is executed the nex time, i.e. the next
# time Ninja is run.
def print_aligned(self, arr):
if len(arr) == 0:
return
longest_name = max((len(x[0]) for x in arr))
longest_descr = max((len(x[1]) for x in arr))
for i in arr:
name = i[0]
descr = i[1]
value = i[2]
namepad = ' '*(longest_name - len(name))
descrpad = ' '*(longest_descr - len(descr))
f = '%s%s %s%s' % (name, namepad, descr, descrpad)
print(f, value)
def tobool(self, thing):
if thing.lower() == 'true':
return True
if thing.lower() == 'false':
return False
raise ConfException('Value %s is not boolean (true or false).' % thing)
def set_options(self, options):
for o in options:
if '=' not in o:
raise ConfException('Value "%s" not of type "a=b".' % o)
(k, v) = o.split('=', 1)
if k == 'buildtype':
if v not in build_types:
raise ConfException('Invalid build type %s.' % v)
self.coredata.buildtype = v
elif k == 'strip':
self.coredata.strip = self.tobool(v)
elif k == 'coverage':
v = self.tobool(v)
self.coredata.coverage = self.tobool(v)
elif k == 'pch':
self.coredata.use_pch = self.tobool(v)
elif k == 'unity':
self.coredata.unity = self.tobool(v)
elif k == 'prefix':
if not os.path.isabs(v):
raise ConfException('Install prefix %s is not an absolute path.' % v)
self.coredata.prefix = v
elif k == 'libdir':
if os.path.isabs(v):
raise ConfException('Library dir %s must not be an absolute path.' % v)
self.coredata.libdir = v
elif k == 'bindir':
if os.path.isabs(v):
raise ConfException('Binary dir %s must not be an absolute path.' % v)
self.coredata.bindir = v
elif k == 'includedir':
if os.path.isabs(v):
raise ConfException('Include dir %s must not be an absolute path.' % v)
self.coredata.includedir = v
elif k == 'datadir':
if os.path.isabs(v):
raise ConfException('Data dir %s must not be an absolute path.' % v)
self.coredata.datadir = v
elif k == 'mandir':
if os.path.isabs(v):
raise ConfException('Man dir %s must not be an absolute path.' % v)
self.coredata.mandir = v
elif k == 'localedir':
if os.path.isabs(v):
raise ConfException('Locale dir %s must not be an absolute path.' % v)
self.coredata.localedir = v
elif k in self.coredata.user_options:
tgt = self.coredata.user_options[k]
if isinstance(tgt, optinterpreter.UserBooleanOption):
tgt.set_value(self.tobool(v))
elif isinstance(tgt, optinterpreter.UserComboOption):
try:
tgt.set_value(v)
except optinterpreter.OptionException:
raise ConfException('Value of %s must be one of %s.' %
(k, tgt.choices))
elif isinstance(tgt, optinterpreter.UserStringOption):
tgt.set_value(v)
else:
raise ConfException('Internal error, unknown option type.')
elif k.endswith('linkargs'):
lang = k[:-8]
if not lang in self.coredata.external_link_args:
raise ConfException('Unknown language %s in linkargs.' % lang)
# TODO, currently split on spaces, make it so that user
# can pass in an array string.
newvalue = v.split()
self.coredata.external_link_args[lang] = newvalue
elif k.endswith('args'):
lang = k[:-4]
if not lang in self.coredata.external_args:
raise ConfException('Unknown language %s in compile args' % lang)
# TODO same fix as above
newvalue = v.split()
self.coredata.external_args[lang] = newvalue
else:
raise ConfException('Unknown option %s.' % k)
def print_conf(self):
print('Core properties\n')
print('Source dir', self.build.environment.source_dir)
print('Build dir ', self.build.environment.build_dir)
print('')
print('Core options\n')
carr = []
carr.append(['buildtype', 'Build type', self.coredata.buildtype])
carr.append(['strip', 'Strip on install', self.coredata.strip])
carr.append(['coverage', 'Coverage report', self.coredata.coverage])
carr.append(['pch', 'Precompiled headers', self.coredata.use_pch])
carr.append(['unity', 'Unity build', self.coredata.unity])
self.print_aligned(carr)
print('')
print('Compiler arguments\n')
for (lang, args) in self.coredata.external_args.items():
print(lang + 'args', str(args))
print('')
print('Linker args\n')
for (lang, args) in self.coredata.external_link_args.items():
print(lang + 'linkargs', str(args))
print('')
print('Directories\n')
parr = []
parr.append(['prefix', 'Install prefix', self.coredata.prefix])
parr.append(['libdir', 'Library directory', self.coredata.libdir])
parr.append(['bindir', 'Binary directory', self.coredata.bindir])
parr.append(['includedir', 'Header directory', self.coredata.includedir])
parr.append(['datadir', 'Data directory', self.coredata.datadir])
parr.append(['mandir', 'Man page directory', self.coredata.mandir])
parr.append(['localedir', 'Locale file directory', self.coredata.localedir])
self.print_aligned(parr)
print('')
if len(self.coredata.user_options) == 0:
print('This project does not have any options')
else:
print('Project options\n')
options = self.coredata.user_options
keys = list(options.keys())
keys.sort()
optarr = []
for key in keys:
opt = options[key]
optarr.append([key, opt.description, opt.value])
self.print_aligned(optarr)
if __name__ == '__main__':
options = parser.parse_args()
if len(options.directory) > 1:
print('%s <build directory>' % sys.argv[0])
print('If you omit the build directory, the current directory is substituted.')
sys.exit(1)
if len(options.directory) == 0:
builddir = os.getcwd()
else:
builddir = options.directory[0]
try:
c = Conf(builddir)
if len(options.sets) > 0:
c.set_options(options.sets)
c.save()
else:
c.print_conf()
except ConfException as e:
print('Meson configurator encountered an error:\n')
print(e)
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