286 lines
12 KiB
Python
286 lines
12 KiB
Python
# Copyright 2014-2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys, os
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import argparse
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from . import coredata, mesonlib, build
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parser = argparse.ArgumentParser(prog='meson configure')
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parser.add_argument('-D', action='append', default=[], dest='sets',
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help='Set an option to the given value.')
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parser.add_argument('directory', nargs='*')
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parser.add_argument('--clearcache', action='store_true', default=False,
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help='Clear cached state (e.g. found dependencies)')
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class ConfException(mesonlib.MesonException):
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pass
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class Conf:
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def __init__(self, build_dir):
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self.build_dir = build_dir
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if not os.path.isdir(os.path.join(build_dir, 'meson-private')):
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raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
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self.build = build.load(self.build_dir)
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self.coredata = coredata.load(self.build_dir)
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def clear_cache(self):
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self.coredata.deps = {}
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def save(self):
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# Only called if something has changed so overwrite unconditionally.
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coredata.save(self.coredata, self.build_dir)
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# We don't write the build file because any changes to it
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# are erased when Meson is executed the next time, i.e. when
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# Ninja is run.
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def print_aligned(self, arr):
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if not arr:
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return
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titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'}
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len_name = longest_name = len(titles['name'])
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len_descr = longest_descr = len(titles['descr'])
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len_value = longest_value = len(titles['value'])
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longest_choices = 0 # not printed if we don't get any optional values
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# calculate the max length of each
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for x in arr:
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name = x['name']
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descr = x['descr']
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value = x['value'] if isinstance(x['value'], str) else str(x['value']).lower()
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choices = ''
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if isinstance(x['choices'], list):
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if x['choices']:
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x['choices'] = [s if isinstance(s, str) else str(s).lower() for s in x['choices']]
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choices = '[%s]' % ', '.join(map(str, x['choices']))
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elif x['choices']:
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choices = x['choices'] if isinstance(x['choices'], str) else str(x['choices']).lower()
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longest_name = max(longest_name, len(name))
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longest_descr = max(longest_descr, len(descr))
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longest_value = max(longest_value, len(value))
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longest_choices = max(longest_choices, len(choices))
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# update possible non strings
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x['value'] = value
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x['choices'] = choices
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# prints header
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namepad = ' ' * (longest_name - len_name)
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valuepad = ' ' * (longest_value - len_value)
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if longest_choices:
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len_choices = len(titles['choices'])
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longest_choices = max(longest_choices, len_choices)
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choicepad = ' ' * (longest_choices - len_choices)
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print(' %s%s %s%s %s%s %s' % (titles['name'], namepad, titles['value'], valuepad, titles['choices'], choicepad, titles['descr']))
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print(' %s%s %s%s %s%s %s' % ('-' * len_name, namepad, '-' * len_value, valuepad, '-' * len_choices, choicepad, '-' * len_descr))
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else:
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print(' %s%s %s%s %s' % (titles['name'], namepad, titles['value'], valuepad, titles['descr']))
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print(' %s%s %s%s %s' % ('-' * len_name, namepad, '-' * len_value, valuepad, '-' * len_descr))
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# print values
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for i in arr:
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name = i['name']
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descr = i['descr']
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value = i['value']
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choices = i['choices']
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namepad = ' ' * (longest_name - len(name))
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valuepad = ' ' * (longest_value - len(value))
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if longest_choices:
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choicespad = ' ' * (longest_choices - len(choices))
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f = ' %s%s %s%s %s%s %s' % (name, namepad, value, valuepad, choices, choicespad, descr)
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else:
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f = ' %s%s %s%s %s' % (name, namepad, value, valuepad, descr)
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print(f)
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def set_options(self, options):
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for o in options:
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if '=' not in o:
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raise ConfException('Value "%s" not of type "a=b".' % o)
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(k, v) = o.split('=', 1)
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if coredata.is_builtin_option(k):
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self.coredata.set_builtin_option(k, v)
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elif k in self.coredata.backend_options:
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tgt = self.coredata.backend_options[k]
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tgt.set_value(v)
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elif k in self.coredata.user_options:
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tgt = self.coredata.user_options[k]
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tgt.set_value(v)
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elif k in self.coredata.compiler_options:
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tgt = self.coredata.compiler_options[k]
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tgt.set_value(v)
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elif k in self.coredata.base_options:
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tgt = self.coredata.base_options[k]
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tgt.set_value(v)
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elif k.endswith('_link_args'):
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lang = k[:-10]
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if lang not in self.coredata.external_link_args:
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raise ConfException('Unknown language %s in linkargs.' % lang)
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# TODO, currently split on spaces, make it so that user
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# can pass in an array string.
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newvalue = v.split()
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self.coredata.external_link_args[lang] = newvalue
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elif k.endswith('_args'):
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lang = k[:-5]
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if lang not in self.coredata.external_args:
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raise ConfException('Unknown language %s in compile args' % lang)
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# TODO same fix as above
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newvalue = v.split()
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self.coredata.external_args[lang] = newvalue
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else:
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raise ConfException('Unknown option %s.' % k)
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def print_conf(self):
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print('Core properties:')
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print(' Source dir', self.build.environment.source_dir)
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print(' Build dir ', self.build.environment.build_dir)
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print('')
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print('Core options:')
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carr = []
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for key in ['buildtype', 'warning_level', 'werror', 'strip', 'unity', 'default_library']:
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carr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(carr)
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print('')
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bekeys = sorted(self.coredata.backend_options.keys())
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if not bekeys:
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print(' No backend options\n')
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else:
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bearr = []
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for k in bekeys:
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o = self.coredata.backend_options[k]
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bearr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
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self.print_aligned(bearr)
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print('')
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print('Base options:')
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okeys = sorted(self.coredata.base_options.keys())
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if not okeys:
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print(' No base options\n')
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else:
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coarr = []
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for k in okeys:
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o = self.coredata.base_options[k]
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coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': o.choices})
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self.print_aligned(coarr)
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print('')
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print('Compiler arguments:')
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for (lang, args) in self.coredata.external_args.items():
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print(' ' + lang + '_args', str(args))
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print('')
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print('Linker args:')
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for (lang, args) in self.coredata.external_link_args.items():
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print(' ' + lang + '_link_args', str(args))
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print('')
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print('Compiler options:')
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okeys = sorted(self.coredata.compiler_options.keys())
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if not okeys:
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print(' No compiler options\n')
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else:
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coarr = []
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for k in okeys:
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o = self.coredata.compiler_options[k]
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coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
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self.print_aligned(coarr)
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print('')
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print('Directories:')
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parr = []
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for key in ['prefix',
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'libdir',
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'libexecdir',
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'bindir',
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'sbindir',
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'includedir',
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'datadir',
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'mandir',
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'infodir',
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'localedir',
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'sysconfdir',
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'localstatedir',
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'sharedstatedir',
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]:
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parr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(parr)
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print('')
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print('Project options:')
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if not self.coredata.user_options:
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print(' This project does not have any options')
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else:
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options = self.coredata.user_options
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keys = list(options.keys())
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keys.sort()
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optarr = []
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for key in keys:
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opt = options[key]
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if (opt.choices is None) or (not opt.choices):
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# Zero length list or string
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choices = ''
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else:
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choices = opt.choices
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optarr.append({'name': key,
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'descr': opt.description,
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'value': opt.value,
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'choices': choices})
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self.print_aligned(optarr)
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print('')
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print('Testing options:')
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tarr = []
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for key in ['stdsplit', 'errorlogs']:
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tarr.append({'name': key,
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'descr': coredata.get_builtin_option_description(key),
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'value': self.coredata.get_builtin_option(key),
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'choices': coredata.get_builtin_option_choices(key)})
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self.print_aligned(tarr)
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def run(args):
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args = mesonlib.expand_arguments(args)
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if not args:
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args = [os.getcwd()]
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options = parser.parse_args(args)
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if len(options.directory) > 1:
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print('%s <build directory>' % args[0])
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print('If you omit the build directory, the current directory is substituted.')
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return 1
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if not options.directory:
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builddir = os.getcwd()
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else:
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builddir = options.directory[0]
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try:
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c = Conf(builddir)
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save = False
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if len(options.sets) > 0:
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c.set_options(options.sets)
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save = True
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elif options.clearcache:
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c.clear_cache()
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save = True
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else:
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c.print_conf()
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if save:
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c.save()
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except ConfException as e:
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print('Meson configurator encountered an error:\n')
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print(e)
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return 1
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return 0
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if __name__ == '__main__':
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sys.exit(run(sys.argv[1:]))
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