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- # 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
- from . import (coredata, mesonlib, build)
- from . import mintro
- def add_arguments(parser):
- coredata.register_builtin_arguments(parser)
- parser.add_argument('builddir', nargs='?', default='.')
- parser.add_argument('--clearcache', action='store_true', default=False,
- help='Clear cached state (e.g. found dependencies)')
- 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)
- 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 set_options(self, options):
- self.coredata.set_options(options)
- 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):
- 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
- if isinstance(opt['choices'], list):
- choices_col.append('[{0}]'.format(', '.join(make_lower_case(opt['choices']))))
- else:
- choices_col.append(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 print_options(self, title, options):
- print('\n{}:'.format(title))
- if not options:
- print(' No {}\n'.format(title.lower()))
- arr = []
- for k in sorted(options):
- o = options[k]
- d = o.description
- v = o.printable_value()
- c = o.choices
- arr.append({'name': k, 'descr': d, 'value': v, 'choices': c})
- self.print_aligned(arr)
- def print_conf(self):
- print('Core properties:')
- print(' Source dir', self.build.environment.source_dir)
- print(' Build dir ', self.build.environment.build_dir)
- dir_option_names = ['bindir',
- 'datadir',
- 'includedir',
- 'infodir',
- 'libdir',
- 'libexecdir',
- 'localedir',
- 'localstatedir',
- 'mandir',
- 'prefix',
- 'sbindir',
- 'sharedstatedir',
- 'sysconfdir']
- test_option_names = ['errorlogs',
- 'stdsplit']
- core_option_names = [k for k in self.coredata.builtins if k not in dir_option_names + test_option_names]
- dir_options = {k: o for k, o in self.coredata.builtins.items() if k in dir_option_names}
- test_options = {k: o for k, o in self.coredata.builtins.items() if k in test_option_names}
- core_options = {k: o for k, o in self.coredata.builtins.items() if k in core_option_names}
- self.print_options('Core options', core_options)
- self.print_options('Backend options', self.coredata.backend_options)
- self.print_options('Base options', self.coredata.base_options)
- # TODO others
- self.print_options('Compiler options', self.coredata.compiler_options.build)
- self.print_options('Directories', dir_options)
- self.print_options('Project options', self.coredata.user_options)
- self.print_options('Testing options', test_options)
- def run(options):
- coredata.parse_cmd_line_options(options)
- builddir = os.path.abspath(os.path.realpath(options.builddir))
- c = None
- try:
- c = Conf(builddir)
- save = False
- if len(options.cmd_line_options) > 0:
- c.set_options(options.cmd_line_options)
- if not c.build.environment.is_cross_build():
- # TODO think about cross and command-line interface.
- c.coredata.compiler_options.host = c.coredata.compiler_options.build
- coredata.update_cmd_line_file(builddir, options)
- save = True
- elif options.clearcache:
- c.clear_cache()
- save = True
- else:
- c.print_conf()
- if save:
- c.save()
- mintro.update_build_options(c.coredata, c.build.environment.info_dir)
- mintro.write_meson_info_file(c.build, [])
- except ConfException as e:
- print('Meson configurator encountered an error:')
- if c is not None and c.build is not None:
- mintro.write_meson_info_file(c.build, [e])
- raise e
- return 0
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