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656 lines
27 KiB
656 lines
27 KiB
# Copyright 2012-2018 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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from . import mlog |
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import pickle, os, uuid, shlex |
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import sys |
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from pathlib import PurePath |
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from collections import OrderedDict |
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from .mesonlib import MesonException |
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from .mesonlib import default_libdir, default_libexecdir, default_prefix |
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from .wrap import WrapMode |
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import ast |
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import argparse |
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version = '0.48.999' |
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backendlist = ['ninja', 'vs', 'vs2010', 'vs2015', 'vs2017', 'xcode'] |
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default_yielding = False |
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class UserOption: |
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def __init__(self, name, description, choices, yielding): |
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super().__init__() |
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self.name = name |
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self.choices = choices |
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self.description = description |
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if yielding is None: |
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yielding = default_yielding |
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if not isinstance(yielding, bool): |
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raise MesonException('Value of "yielding" must be a boolean.') |
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self.yielding = yielding |
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# Check that the input is a valid value and return the |
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# "cleaned" or "native" version. For example the Boolean |
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# option could take the string "true" and return True. |
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def validate_value(self, value): |
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raise RuntimeError('Derived option class did not override validate_value.') |
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def set_value(self, newvalue): |
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self.value = self.validate_value(newvalue) |
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class UserStringOption(UserOption): |
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def __init__(self, name, description, value, choices=None, yielding=None): |
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super().__init__(name, description, choices, yielding) |
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self.set_value(value) |
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def validate_value(self, value): |
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if not isinstance(value, str): |
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raise MesonException('Value "%s" for string option "%s" is not a string.' % (str(value), self.name)) |
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return value |
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class UserBooleanOption(UserOption): |
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def __init__(self, name, description, value, yielding=None): |
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super().__init__(name, description, [True, False], yielding) |
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self.set_value(value) |
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def __bool__(self): |
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return self.value |
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def validate_value(self, value): |
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if isinstance(value, bool): |
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return value |
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if value.lower() == 'true': |
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return True |
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if value.lower() == 'false': |
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return False |
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raise MesonException('Value %s is not boolean (true or false).' % value) |
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class UserIntegerOption(UserOption): |
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def __init__(self, name, description, min_value, max_value, value, yielding=None): |
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super().__init__(name, description, [True, False], yielding) |
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self.min_value = min_value |
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self.max_value = max_value |
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self.set_value(value) |
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c = [] |
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if min_value is not None: |
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c.append('>=' + str(min_value)) |
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if max_value is not None: |
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c.append('<=' + str(max_value)) |
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self.choices = ', '.join(c) |
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def validate_value(self, value): |
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if isinstance(value, str): |
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value = self.toint(value) |
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if not isinstance(value, int): |
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raise MesonException('New value for integer option is not an integer.') |
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if self.min_value is not None and value < self.min_value: |
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raise MesonException('New value %d is less than minimum value %d.' % (value, self.min_value)) |
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if self.max_value is not None and value > self.max_value: |
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raise MesonException('New value %d is more than maximum value %d.' % (value, self.max_value)) |
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return value |
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def toint(self, valuestring): |
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try: |
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return int(valuestring) |
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except ValueError: |
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raise MesonException('Value string "%s" is not convertable to an integer.' % valuestring) |
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class UserUmaskOption(UserIntegerOption): |
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def __init__(self, name, description, value, yielding=None): |
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super().__init__(name, description, 0, 0o777, value, yielding) |
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self.choices = ['preserve', '0000-0777'] |
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def validate_value(self, value): |
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if value is None or value == 'preserve': |
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return None |
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return super().validate_value(value) |
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def toint(self, valuestring): |
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try: |
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return int(valuestring, 8) |
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except ValueError as e: |
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raise MesonException('Invalid mode: {}'.format(e)) |
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class UserComboOption(UserOption): |
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def __init__(self, name, description, choices, value, yielding=None): |
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super().__init__(name, description, choices, yielding) |
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if not isinstance(self.choices, list): |
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raise MesonException('Combo choices must be an array.') |
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for i in self.choices: |
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if not isinstance(i, str): |
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raise MesonException('Combo choice elements must be strings.') |
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self.set_value(value) |
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def validate_value(self, value): |
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if value not in self.choices: |
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optionsstring = ', '.join(['"%s"' % (item,) for item in self.choices]) |
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raise MesonException('Value "%s" for combo option "%s" is not one of the choices. Possible choices are: %s.' % (value, self.name, optionsstring)) |
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return value |
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class UserArrayOption(UserOption): |
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def __init__(self, name, description, value, shlex_split=False, user_input=False, allow_dups=False, **kwargs): |
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super().__init__(name, description, kwargs.get('choices', []), yielding=kwargs.get('yielding', None)) |
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self.shlex_split = shlex_split |
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self.allow_dups = allow_dups |
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self.value = self.validate_value(value, user_input=user_input) |
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def validate_value(self, value, user_input=True): |
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# User input is for options defined on the command line (via -D |
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# options). Users can put their input in as a comma separated |
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# string, but for defining options in meson_options.txt the format |
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# should match that of a combo |
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if not user_input and isinstance(value, str) and not value.startswith('['): |
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raise MesonException('Value does not define an array: ' + value) |
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if isinstance(value, str): |
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if value.startswith('['): |
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newvalue = ast.literal_eval(value) |
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elif value == '': |
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newvalue = [] |
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else: |
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if self.shlex_split: |
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newvalue = shlex.split(value) |
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else: |
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newvalue = [v.strip() for v in value.split(',')] |
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elif isinstance(value, list): |
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newvalue = value |
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else: |
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raise MesonException('"{0}" should be a string array, but it is not'.format(str(newvalue))) |
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if not self.allow_dups and len(set(newvalue)) != len(newvalue): |
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msg = 'Duplicated values in array option "%s" is deprecated. ' \ |
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'This will become a hard error in the future.' % (self.name) |
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mlog.deprecation(msg) |
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for i in newvalue: |
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if not isinstance(i, str): |
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raise MesonException('String array element "{0}" is not a string.'.format(str(newvalue))) |
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if self.choices: |
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bad = [x for x in newvalue if x not in self.choices] |
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if bad: |
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raise MesonException('Options "{}" are not in allowed choices: "{}"'.format( |
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', '.join(bad), ', '.join(self.choices))) |
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return newvalue |
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class UserFeatureOption(UserComboOption): |
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static_choices = ['enabled', 'disabled', 'auto'] |
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def __init__(self, name, description, value, yielding=None): |
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super().__init__(name, description, self.static_choices, value, yielding) |
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def is_enabled(self): |
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return self.value == 'enabled' |
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def is_disabled(self): |
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return self.value == 'disabled' |
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def is_auto(self): |
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return self.value == 'auto' |
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# This class contains all data that must persist over multiple |
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# invocations of Meson. It is roughly the same thing as |
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# cmakecache. |
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class CoreData: |
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def __init__(self, options): |
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self.lang_guids = { |
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'default': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'c': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'cpp': '8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942', |
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'test': '3AC096D0-A1C2-E12C-1390-A8335801FDAB', |
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'directory': '2150E333-8FDC-42A3-9474-1A3956D46DE8', |
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} |
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self.test_guid = str(uuid.uuid4()).upper() |
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self.regen_guid = str(uuid.uuid4()).upper() |
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self.install_guid = str(uuid.uuid4()).upper() |
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self.target_guids = {} |
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self.version = version |
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self.init_builtins() |
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self.backend_options = {} |
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self.user_options = {} |
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self.compiler_options = {} |
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self.base_options = {} |
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self.external_preprocess_args = {} # CPPFLAGS only |
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self.cross_file = self.__load_cross_file(options.cross_file) |
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self.compilers = OrderedDict() |
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self.cross_compilers = OrderedDict() |
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self.deps = OrderedDict() |
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# Only to print a warning if it changes between Meson invocations. |
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self.pkgconf_envvar = os.environ.get('PKG_CONFIG_PATH', '') |
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@staticmethod |
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def __load_cross_file(filename): |
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"""Try to load the cross file. |
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If the filename is None return None. If the filename is an absolute |
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(after resolving variables and ~), return that absolute path. Next, |
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check if the file is relative to the current source dir. If the path |
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still isn't resolved do the following: |
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Windows: |
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- Error |
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*: |
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- $XDG_DATA_HOME/meson/cross (or ~/.local/share/meson/cross if |
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undefined) |
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- $XDG_DATA_DIRS/meson/cross (or |
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/usr/local/share/meson/cross:/usr/share/meson/cross if undefined) |
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- Error |
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Non-Windows follows the Linux path and will honor XDG_* if set. This |
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simplifies the implementation somewhat. |
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""" |
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if filename is None: |
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return None |
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filename = os.path.expanduser(os.path.expandvars(filename)) |
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if os.path.isabs(filename): |
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return filename |
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path_to_try = os.path.abspath(filename) |
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if os.path.isfile(path_to_try): |
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return path_to_try |
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if sys.platform != 'win32': |
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paths = [ |
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os.environ.get('XDG_DATA_HOME', os.path.expanduser('~/.local/share')), |
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] + os.environ.get('XDG_DATA_DIRS', '/usr/local/share:/usr/share').split(':') |
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for path in paths: |
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path_to_try = os.path.join(path, 'meson', 'cross', filename) |
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if os.path.isfile(path_to_try): |
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return path_to_try |
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raise MesonException('Cannot find specified cross file: ' + filename) |
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raise MesonException('Cannot find specified cross file: ' + filename) |
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def sanitize_prefix(self, prefix): |
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if not os.path.isabs(prefix): |
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raise MesonException('prefix value {!r} must be an absolute path' |
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''.format(prefix)) |
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if prefix.endswith('/') or prefix.endswith('\\'): |
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# On Windows we need to preserve the trailing slash if the |
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# string is of type 'C:\' because 'C:' is not an absolute path. |
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if len(prefix) == 3 and prefix[1] == ':': |
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pass |
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# If prefix is a single character, preserve it since it is |
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# the root directory. |
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elif len(prefix) == 1: |
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pass |
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else: |
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prefix = prefix[:-1] |
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return prefix |
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def sanitize_dir_option_value(self, prefix, option, value): |
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''' |
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If the option is an installation directory option and the value is an |
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absolute path, check that it resides within prefix and return the value |
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as a path relative to the prefix. |
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This way everyone can do f.ex, get_option('libdir') and be sure to get |
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the library directory relative to prefix. |
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''' |
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if option.endswith('dir') and os.path.isabs(value) and \ |
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option not in builtin_dir_noprefix_options: |
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# Value must be a subdir of the prefix |
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# commonpath will always return a path in the native format, so we |
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# must use pathlib.PurePath to do the same conversion before |
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# comparing. |
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if os.path.commonpath([value, prefix]) != str(PurePath(prefix)): |
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m = 'The value of the {!r} option is {!r} which must be a ' \ |
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'subdir of the prefix {!r}.\nNote that if you pass a ' \ |
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'relative path, it is assumed to be a subdir of prefix.' |
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raise MesonException(m.format(option, value, prefix)) |
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# Convert path to be relative to prefix |
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skip = len(prefix) + 1 |
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value = value[skip:] |
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return value |
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def init_builtins(self): |
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# Create builtin options with default values |
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self.builtins = {} |
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prefix = get_builtin_option_default('prefix') |
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for key in get_builtin_options(): |
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value = get_builtin_option_default(key, prefix) |
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args = [key] + builtin_options[key][1:-1] + [value] |
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self.builtins[key] = builtin_options[key][0](*args) |
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def init_backend_options(self, backend_name): |
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if backend_name == 'ninja': |
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self.backend_options['backend_max_links'] = \ |
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UserIntegerOption( |
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'backend_max_links', |
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'Maximum number of linker processes to run or 0 for no ' |
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'limit', |
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0, None, 0) |
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elif backend_name.startswith('vs'): |
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self.backend_options['backend_startup_project'] = \ |
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UserStringOption( |
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'backend_startup_project', |
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'Default project to execute in Visual Studio', |
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'') |
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def get_builtin_option(self, optname): |
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if optname in self.builtins: |
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v = self.builtins[optname] |
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if optname == 'wrap_mode': |
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return WrapMode.from_string(v.value) |
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return v.value |
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raise RuntimeError('Tried to get unknown builtin option %s.' % optname) |
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def set_builtin_option(self, optname, value): |
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if optname == 'prefix': |
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value = self.sanitize_prefix(value) |
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elif optname in self.builtins: |
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prefix = self.builtins['prefix'].value |
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value = self.sanitize_dir_option_value(prefix, optname, value) |
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else: |
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raise RuntimeError('Tried to set unknown builtin option %s.' % optname) |
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self.builtins[optname].set_value(value) |
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# Make sure that buildtype matches other settings. |
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if optname == 'buildtype': |
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self.set_others_from_buildtype(value) |
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else: |
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self.set_buildtype_from_others() |
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def set_others_from_buildtype(self, value): |
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if value == 'plain': |
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opt = '0' |
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debug = False |
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elif value == 'debug': |
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opt = '0' |
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debug = True |
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elif value == 'debugoptimized': |
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opt = '2' |
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debug = True |
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elif value == 'release': |
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opt = '3' |
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debug = False |
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elif value == 'minsize': |
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opt = 's' |
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debug = True |
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else: |
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assert(value == 'custom') |
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return |
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self.builtins['optimization'].set_value(opt) |
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self.builtins['debug'].set_value(debug) |
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def set_buildtype_from_others(self): |
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opt = self.builtins['optimization'].value |
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debug = self.builtins['debug'].value |
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if opt == '0' and not debug: |
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mode = 'plain' |
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elif opt == '0' and debug: |
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mode = 'debug' |
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elif opt == '2' and debug: |
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mode = 'debugoptimized' |
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elif opt == '3' and not debug: |
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mode = 'release' |
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elif opt == 's' and debug: |
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mode = 'minsize' |
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else: |
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mode = 'custom' |
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self.builtins['buildtype'].set_value(mode) |
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def validate_option_value(self, option_name, override_value): |
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for opts in (self.builtins, self.base_options, self.compiler_options, self.user_options): |
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if option_name in opts: |
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opt = opts[option_name] |
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return opt.validate_value(override_value) |
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raise MesonException('Tried to validate unknown option %s.' % option_name) |
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def get_external_args(self, lang): |
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return self.compiler_options[lang + '_args'].value |
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def get_external_link_args(self, lang): |
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return self.compiler_options[lang + '_link_args'].value |
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def get_external_preprocess_args(self, lang): |
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return self.external_preprocess_args[lang] |
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def merge_user_options(self, options): |
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for (name, value) in options.items(): |
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if name not in self.user_options: |
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self.user_options[name] = value |
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else: |
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oldval = self.user_options[name] |
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if type(oldval) != type(value): |
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self.user_options[name] = value |
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def set_options(self, options, subproject=''): |
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# Set prefix first because it's needed to sanitize other options |
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prefix = self.builtins['prefix'].value |
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if 'prefix' in options: |
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prefix = self.sanitize_prefix(options['prefix']) |
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self.builtins['prefix'].set_value(prefix) |
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for key in builtin_dir_noprefix_options: |
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if key not in options: |
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self.builtins[key].set_value(get_builtin_option_default(key, prefix)) |
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unknown_options = [] |
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for k, v in options.items(): |
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if k == 'prefix': |
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pass |
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elif k in self.builtins: |
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self.set_builtin_option(k, v) |
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elif k in self.backend_options: |
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tgt = self.backend_options[k] |
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tgt.set_value(v) |
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elif k in self.user_options: |
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tgt = self.user_options[k] |
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tgt.set_value(v) |
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elif k in self.compiler_options: |
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tgt = self.compiler_options[k] |
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tgt.set_value(v) |
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elif k in self.base_options: |
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tgt = self.base_options[k] |
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tgt.set_value(v) |
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else: |
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unknown_options.append(k) |
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if unknown_options: |
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unknown_options = ', '.join(sorted(unknown_options)) |
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sub = 'In subproject {}: '.format(subproject) if subproject else '' |
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mlog.warning('{}Unknown options: "{}"'.format(sub, unknown_options)) |
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def load(build_dir): |
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filename = os.path.join(build_dir, 'meson-private', 'coredata.dat') |
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load_fail_msg = 'Coredata file {!r} is corrupted. Try with a fresh build tree.'.format(filename) |
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try: |
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with open(filename, 'rb') as f: |
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obj = pickle.load(f) |
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except pickle.UnpicklingError: |
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raise MesonException(load_fail_msg) |
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if not isinstance(obj, CoreData): |
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raise MesonException(load_fail_msg) |
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if obj.version != version: |
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raise MesonException('Build directory has been generated with Meson version %s, which is incompatible with current version %s.\nPlease delete this build directory AND create a new one.' % |
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(obj.version, version)) |
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return obj |
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def save(obj, build_dir): |
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filename = os.path.join(build_dir, 'meson-private', 'coredata.dat') |
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prev_filename = filename + '.prev' |
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tempfilename = filename + '~' |
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if obj.version != version: |
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raise MesonException('Fatal version mismatch corruption.') |
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if os.path.exists(filename): |
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import shutil |
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shutil.copyfile(filename, prev_filename) |
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with open(tempfilename, 'wb') as f: |
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pickle.dump(obj, f) |
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f.flush() |
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os.fsync(f.fileno()) |
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os.replace(tempfilename, filename) |
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return filename |
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def get_builtin_options(): |
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return list(builtin_options.keys()) |
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def is_builtin_option(optname): |
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return optname in get_builtin_options() |
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def get_builtin_option_choices(optname): |
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if is_builtin_option(optname): |
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if builtin_options[optname][0] == UserComboOption: |
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return builtin_options[optname][2] |
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elif builtin_options[optname][0] == UserBooleanOption: |
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return [True, False] |
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elif builtin_options[optname][0] == UserFeatureOption: |
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return UserFeatureOption.static_choices |
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else: |
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return None |
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else: |
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raise RuntimeError('Tried to get the supported values for an unknown builtin option \'%s\'.' % optname) |
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|
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def get_builtin_option_description(optname): |
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if is_builtin_option(optname): |
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return builtin_options[optname][1] |
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else: |
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raise RuntimeError('Tried to get the description for an unknown builtin option \'%s\'.' % optname) |
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|
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def get_builtin_option_action(optname): |
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default = builtin_options[optname][2] |
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if default is True: |
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return 'store_false' |
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elif default is False: |
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return 'store_true' |
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return None |
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|
|
def get_builtin_option_default(optname, prefix=''): |
|
if is_builtin_option(optname): |
|
o = builtin_options[optname] |
|
if o[0] == UserComboOption: |
|
return o[3] |
|
if o[0] == UserIntegerOption: |
|
return o[4] |
|
try: |
|
return builtin_dir_noprefix_options[optname][prefix] |
|
except KeyError: |
|
pass |
|
return o[2] |
|
else: |
|
raise RuntimeError('Tried to get the default value for an unknown builtin option \'%s\'.' % optname) |
|
|
|
def get_builtin_option_cmdline_name(name): |
|
if name == 'warning_level': |
|
return '--warnlevel' |
|
else: |
|
return '--' + name.replace('_', '-') |
|
|
|
def add_builtin_argument(p, name): |
|
kwargs = {} |
|
c = get_builtin_option_choices(name) |
|
b = get_builtin_option_action(name) |
|
h = get_builtin_option_description(name) |
|
if not b: |
|
h = h.rstrip('.') + ' (default: %s).' % get_builtin_option_default(name) |
|
else: |
|
kwargs['action'] = b |
|
if c and not b: |
|
kwargs['choices'] = c |
|
kwargs['default'] = argparse.SUPPRESS |
|
kwargs['dest'] = name |
|
|
|
cmdline_name = get_builtin_option_cmdline_name(name) |
|
p.add_argument(cmdline_name, help=h, **kwargs) |
|
|
|
def register_builtin_arguments(parser): |
|
for n in builtin_options: |
|
add_builtin_argument(parser, n) |
|
parser.add_argument('-D', action='append', dest='projectoptions', default=[], metavar="option", |
|
help='Set the value of an option, can be used several times to set multiple options.') |
|
|
|
def create_options_dict(options): |
|
result = {} |
|
for o in options: |
|
try: |
|
(key, value) = o.split('=', 1) |
|
except ValueError: |
|
raise MesonException('Option {!r} must have a value separated by equals sign.'.format(o)) |
|
result[key] = value |
|
return result |
|
|
|
def parse_cmd_line_options(args): |
|
args.cmd_line_options = create_options_dict(args.projectoptions) |
|
|
|
# Merge builtin options set with --option into the dict. |
|
for name in builtin_options: |
|
value = getattr(args, name, None) |
|
if value is not None: |
|
if name in args.cmd_line_options: |
|
cmdline_name = get_builtin_option_cmdline_name(name) |
|
raise MesonException( |
|
'Got argument {0} as both -D{0} and {1}. Pick one.'.format(name, cmdline_name)) |
|
args.cmd_line_options[name] = value |
|
delattr(args, name) |
|
|
|
builtin_options = { |
|
'buildtype': [UserComboOption, 'Build type to use', ['plain', 'debug', 'debugoptimized', 'release', 'minsize', 'custom'], 'debug'], |
|
'strip': [UserBooleanOption, 'Strip targets on install', False], |
|
'unity': [UserComboOption, 'Unity build', ['on', 'off', 'subprojects'], 'off'], |
|
'prefix': [UserStringOption, 'Installation prefix', default_prefix()], |
|
'libdir': [UserStringOption, 'Library directory', default_libdir()], |
|
'libexecdir': [UserStringOption, 'Library executable directory', default_libexecdir()], |
|
'bindir': [UserStringOption, 'Executable directory', 'bin'], |
|
'sbindir': [UserStringOption, 'System executable directory', 'sbin'], |
|
'includedir': [UserStringOption, 'Header file directory', 'include'], |
|
'datadir': [UserStringOption, 'Data file directory', 'share'], |
|
'mandir': [UserStringOption, 'Manual page directory', 'share/man'], |
|
'infodir': [UserStringOption, 'Info page directory', 'share/info'], |
|
'localedir': [UserStringOption, 'Locale data directory', 'share/locale'], |
|
'sysconfdir': [UserStringOption, 'Sysconf data directory', 'etc'], |
|
'localstatedir': [UserStringOption, 'Localstate data directory', 'var'], |
|
'sharedstatedir': [UserStringOption, 'Architecture-independent data directory', 'com'], |
|
'werror': [UserBooleanOption, 'Treat warnings as errors', False], |
|
'warning_level': [UserComboOption, 'Compiler warning level to use', ['1', '2', '3'], '1'], |
|
'layout': [UserComboOption, 'Build directory layout', ['mirror', 'flat'], 'mirror'], |
|
'default_library': [UserComboOption, 'Default library type', ['shared', 'static', 'both'], 'shared'], |
|
'backend': [UserComboOption, 'Backend to use', backendlist, 'ninja'], |
|
'stdsplit': [UserBooleanOption, 'Split stdout and stderr in test logs', True], |
|
'errorlogs': [UserBooleanOption, "Whether to print the logs from failing tests", True], |
|
'install_umask': [UserUmaskOption, 'Default umask to apply on permissions of installed files', '022'], |
|
'auto_features': [UserFeatureOption, "Override value of all 'auto' features", 'auto'], |
|
'optimization': [UserComboOption, 'Optimization level', ['0', 'g', '1', '2', '3', 's'], '0'], |
|
'debug': [UserBooleanOption, 'Debug', True], |
|
'wrap_mode': [UserComboOption, 'Wrap mode', ['default', |
|
'nofallback', |
|
'nodownload', |
|
'forcefallback'], 'default'], |
|
} |
|
|
|
# Special prefix-dependent defaults for installation directories that reside in |
|
# a path outside of the prefix in FHS and common usage. |
|
builtin_dir_noprefix_options = { |
|
'sysconfdir': {'/usr': '/etc'}, |
|
'localstatedir': {'/usr': '/var', '/usr/local': '/var/local'}, |
|
'sharedstatedir': {'/usr': '/var/lib', '/usr/local': '/var/local/lib'}, |
|
} |
|
|
|
forbidden_target_names = {'clean': None, |
|
'clean-ctlist': None, |
|
'clean-gcno': None, |
|
'clean-gcda': None, |
|
'coverage': None, |
|
'coverage-text': None, |
|
'coverage-xml': None, |
|
'coverage-html': None, |
|
'phony': None, |
|
'PHONY': None, |
|
'all': None, |
|
'test': None, |
|
'benchmark': None, |
|
'install': None, |
|
'uninstall': None, |
|
'build.ninja': None, |
|
'scan-build': None, |
|
'reconfigure': None, |
|
'dist': None, |
|
'distcheck': None, |
|
}
|
|
|