The Meson Build System
http://mesonbuild.com/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
259 lines
10 KiB
259 lines
10 KiB
# Copyright 2014-2016 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 os |
|
import sys |
|
import argparse |
|
from . import (coredata, mesonlib, build) |
|
|
|
parser = argparse.ArgumentParser(prog='meson configure') |
|
|
|
parser.add_argument('-D', action='append', default=[], dest='sets', |
|
help='Set an option to the given value.') |
|
parser.add_argument('directory', nargs='*') |
|
parser.add_argument('--clearcache', action='store_true', default=False, |
|
help='Clear cached state (e.g. found dependencies)') |
|
|
|
|
|
class ConfException(mesonlib.MesonException): |
|
pass |
|
|
|
|
|
class Conf: |
|
def __init__(self, build_dir): |
|
self.build_dir = build_dir |
|
if not os.path.isdir(os.path.join(build_dir, 'meson-private')): |
|
raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir) |
|
self.build = build.load(self.build_dir) |
|
self.coredata = coredata.load(self.build_dir) |
|
|
|
def clear_cache(self): |
|
self.coredata.deps = {} |
|
|
|
def save(self): |
|
# Only called if something has changed so overwrite unconditionally. |
|
coredata.save(self.coredata, self.build_dir) |
|
# We don't write the build file because any changes to it |
|
# are erased when Meson is executed the next time, i.e. when |
|
# Ninja is run. |
|
|
|
@staticmethod |
|
def print_aligned(arr): |
|
def make_lower_case(val): |
|
if isinstance(val, bool): |
|
return str(val).lower() |
|
elif isinstance(val, list): |
|
return [make_lower_case(i) for i in val] |
|
else: |
|
return str(val) |
|
|
|
if not arr: |
|
return |
|
|
|
titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'} |
|
|
|
name_col = [titles['name'], '-' * len(titles['name'])] |
|
value_col = [titles['value'], '-' * len(titles['value'])] |
|
choices_col = [titles['choices'], '-' * len(titles['choices'])] |
|
descr_col = [titles['descr'], '-' * len(titles['descr'])] |
|
|
|
choices_found = False |
|
for opt in arr: |
|
name_col.append(opt['name']) |
|
descr_col.append(opt['descr']) |
|
if isinstance(opt['value'], list): |
|
value_col.append('[{0}]'.format(', '.join(make_lower_case(opt['value'])))) |
|
else: |
|
value_col.append(make_lower_case(opt['value'])) |
|
if opt['choices']: |
|
choices_found = True |
|
choices_col.append('[{0}]'.format(', '.join(make_lower_case(opt['choices'])))) |
|
else: |
|
choices_col.append('') |
|
|
|
col_widths = (max([len(i) for i in name_col], default=0), |
|
max([len(i) for i in value_col], default=0), |
|
max([len(i) for i in choices_col], default=0), |
|
max([len(i) for i in descr_col], default=0)) |
|
|
|
for line in zip(name_col, value_col, choices_col, descr_col): |
|
if choices_found: |
|
print(' {0:{width[0]}} {1:{width[1]}} {2:{width[2]}} {3:{width[3]}}'.format(*line, width=col_widths)) |
|
else: |
|
print(' {0:{width[0]}} {1:{width[1]}} {3:{width[3]}}'.format(*line, width=col_widths)) |
|
|
|
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 coredata.is_builtin_option(k): |
|
self.coredata.set_builtin_option(k, v) |
|
elif k in self.coredata.backend_options: |
|
tgt = self.coredata.backend_options[k] |
|
tgt.set_value(v) |
|
elif k in self.coredata.user_options: |
|
tgt = self.coredata.user_options[k] |
|
tgt.set_value(v) |
|
elif k in self.coredata.compiler_options: |
|
tgt = self.coredata.compiler_options[k] |
|
tgt.set_value(v) |
|
elif k in self.coredata.base_options: |
|
tgt = self.coredata.base_options[k] |
|
tgt.set_value(v) |
|
elif k.endswith('_link_args'): |
|
lang = k[:-10] |
|
if lang not 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[:-5] |
|
if lang not 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:') |
|
print(' Source dir', self.build.environment.source_dir) |
|
print(' Build dir ', self.build.environment.build_dir) |
|
print('\nCore options:\n') |
|
carr = [] |
|
for key in ['buildtype', 'warning_level', 'werror', 'strip', 'unity', 'default_library']: |
|
carr.append({'name': key, |
|
'descr': coredata.get_builtin_option_description(key), |
|
'value': self.coredata.get_builtin_option(key), |
|
'choices': coredata.get_builtin_option_choices(key)}) |
|
self.print_aligned(carr) |
|
if not self.coredata.backend_options: |
|
print(' No backend options\n') |
|
else: |
|
bearr = [] |
|
for k in sorted(self.coredata.backend_options): |
|
o = self.coredata.backend_options[k] |
|
bearr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''}) |
|
self.print_aligned(bearr) |
|
print('\nBase options:') |
|
if not self.coredata.base_options: |
|
print(' No base options\n') |
|
else: |
|
coarr = [] |
|
for k in sorted(self.coredata.base_options): |
|
o = self.coredata.base_options[k] |
|
coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': o.choices}) |
|
self.print_aligned(coarr) |
|
print('\nCompiler arguments:') |
|
for (lang, args) in self.coredata.external_args.items(): |
|
print(' ' + lang + '_args', str(args)) |
|
print('\nLinker args:') |
|
for (lang, args) in self.coredata.external_link_args.items(): |
|
print(' ' + lang + '_link_args', str(args)) |
|
print('\nCompiler options:') |
|
if not self.coredata.compiler_options: |
|
print(' No compiler options\n') |
|
else: |
|
coarr = [] |
|
for k in self.coredata.compiler_options: |
|
o = self.coredata.compiler_options[k] |
|
coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''}) |
|
self.print_aligned(coarr) |
|
print('\nDirectories:') |
|
parr = [] |
|
for key in ['prefix', |
|
'libdir', |
|
'libexecdir', |
|
'bindir', |
|
'sbindir', |
|
'includedir', |
|
'datadir', |
|
'mandir', |
|
'infodir', |
|
'localedir', |
|
'sysconfdir', |
|
'localstatedir', |
|
'sharedstatedir', |
|
]: |
|
parr.append({'name': key, |
|
'descr': coredata.get_builtin_option_description(key), |
|
'value': self.coredata.get_builtin_option(key), |
|
'choices': coredata.get_builtin_option_choices(key)}) |
|
self.print_aligned(parr) |
|
print('\nProject options:') |
|
if not self.coredata.user_options: |
|
print(' This project does not have any options') |
|
else: |
|
optarr = [] |
|
for key in sorted(self.coredata.user_options): |
|
opt = self.coredata.user_options[key] |
|
if (opt.choices is None) or (not opt.choices): |
|
# Zero length list or string |
|
choices = '' |
|
else: |
|
choices = opt.choices |
|
optarr.append({'name': key, |
|
'descr': opt.description, |
|
'value': opt.value, |
|
'choices': choices}) |
|
self.print_aligned(optarr) |
|
print('\nTesting options:') |
|
tarr = [] |
|
for key in ['stdsplit', 'errorlogs']: |
|
tarr.append({'name': key, |
|
'descr': coredata.get_builtin_option_description(key), |
|
'value': self.coredata.get_builtin_option(key), |
|
'choices': coredata.get_builtin_option_choices(key)}) |
|
self.print_aligned(tarr) |
|
|
|
|
|
def run(args): |
|
args = mesonlib.expand_arguments(args) |
|
if not args: |
|
args = [os.getcwd()] |
|
options = parser.parse_args(args) |
|
if len(options.directory) > 1: |
|
print('%s <build directory>' % args[0]) |
|
print('If you omit the build directory, the current directory is substituted.') |
|
return 1 |
|
if not options.directory: |
|
builddir = os.getcwd() |
|
else: |
|
builddir = options.directory[0] |
|
try: |
|
c = Conf(builddir) |
|
save = False |
|
if len(options.sets) > 0: |
|
c.set_options(options.sets) |
|
save = True |
|
elif options.clearcache: |
|
c.clear_cache() |
|
save = True |
|
else: |
|
c.print_conf() |
|
if save: |
|
c.save() |
|
except ConfException as e: |
|
print('Meson configurator encountered an error:\n') |
|
print(e) |
|
return 1 |
|
return 0 |
|
|
|
|
|
if __name__ == '__main__': |
|
sys.exit(run(sys.argv[1:]))
|
|
|