diff options
Diffstat (limited to 'mesonbuild/environment.py')
| -rw-r--r-- | mesonbuild/environment.py | 161 |
1 files changed, 150 insertions, 11 deletions
diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py index a82c8f8..9830b45 100644 --- a/mesonbuild/environment.py +++ b/mesonbuild/environment.py @@ -16,6 +16,7 @@ import os, platform, re, sys, shutil, subprocess import tempfile import shlex import typing as T +import collections from . import coredata from .linkers import ArLinker, ArmarLinker, VisualStudioLinker, DLinker, CcrxLinker, Xc16Linker, C2000Linker, IntelVisualStudioLinker @@ -27,12 +28,14 @@ from .mesonlib import ( from . import mlog from .envconfig import ( - BinaryTable, Directories, MachineInfo, - Properties, known_cpu_families, + BinaryTable, MachineInfo, + Properties, known_cpu_families, get_env_var_pair, ) from . import compilers from .compilers import ( Compiler, + all_languages, + base_options, is_assembly, is_header, is_library, @@ -548,10 +551,11 @@ class Environment: # Misc other properties about each machine. properties = PerMachineDefaultable() - # Store paths for native and cross build files. There is no target - # machine information here because nothing is installed for the target - # architecture, just the build and host architectures - paths = PerMachineDefaultable() + # We only need one of these as project options are not per machine + user_options = collections.defaultdict(dict) # type: T.DefaultDict[str, T.Dict[str, object]] + + # meson builtin options, as passed through cross or native files + meson_options = PerMachineDefaultable() # type: PerMachineDefaultable[T.DefaultDict[str, T.Dict[str, object]]] ## Setup build machine defaults @@ -563,14 +567,80 @@ class Environment: binaries.build = BinaryTable() properties.build = Properties() + # meson base options + _base_options = {} # type: T.Dict[str, object] + + # Per language compiler arguments + compiler_options = PerMachineDefaultable() # type: PerMachineDefaultable[T.DefaultDict[str, T.Dict[str, object]]] + compiler_options.build = collections.defaultdict(dict) + ## Read in native file(s) to override build machine configuration + def load_options(tag: str, store: T.Dict[str, T.Any]) -> None: + for section in config.keys(): + if section.endswith(tag): + if ':' in section: + project = section.split(':')[0] + else: + project = '' + store[project].update(config.get(section, {})) + + def split_base_options(mopts: T.DefaultDict[str, T.Dict[str, object]]) -> None: + for k, v in list(mopts.get('', {}).items()): + if k in base_options: + _base_options[k] = v + del mopts[k] + + lang_prefixes = tuple('{}_'.format(l) for l in all_languages) + def split_compiler_options(mopts: T.DefaultDict[str, T.Dict[str, object]], machine: MachineChoice) -> None: + for k, v in list(mopts.get('', {}).items()): + if k.startswith(lang_prefixes): + lang, key = k.split('_', 1) + if compiler_options[machine] is None: + compiler_options[machine] = collections.defaultdict(dict) + if lang not in compiler_options[machine]: + compiler_options[machine][lang] = collections.defaultdict(dict) + compiler_options[machine][lang][key] = v + del mopts[''][k] + + def move_compiler_options(properties: Properties, compopts: T.Dict[str, T.DefaultDict[str, object]]) -> None: + for k, v in properties.properties.copy().items(): + for lang in all_languages: + if k == '{}_args'.format(lang): + if 'args' not in compopts[lang]: + compopts[lang]['args'] = v + else: + mlog.warning('Ignoring {}_args in [properties] section for those in the [built-in options]'.format(lang)) + elif k == '{}_link_args'.format(lang): + if 'link_args' not in compopts[lang]: + compopts[lang]['link_args'] = v + else: + mlog.warning('Ignoring {}_link_args in [properties] section in favor of the [built-in options] section.') + else: + continue + mlog.deprecation('{} in the [properties] section of the machine file is deprecated, use the [built-in options] section.'.format(k)) + del properties.properties[k] + break + if self.coredata.config_files is not None: config = coredata.parse_machine_files(self.coredata.config_files) binaries.build = BinaryTable(config.get('binaries', {})) - paths.build = Directories(**config.get('paths', {})) properties.build = Properties(config.get('properties', {})) + # Don't run this if there are any cross files, we don't want to use + # the native values if we're doing a cross build + if not self.coredata.cross_files: + load_options('project options', user_options) + meson_options.build = collections.defaultdict(dict) + if config.get('paths') is not None: + mlog.deprecation('The [paths] section is deprecated, use the [built-in options] section instead.') + load_options('paths', meson_options.build) + load_options('built-in options', meson_options.build) + if not self.coredata.cross_files: + split_base_options(meson_options.build) + split_compiler_options(meson_options.build, MachineChoice.BUILD) + move_compiler_options(properties.build, compiler_options.build) + ## Read in cross file(s) to override host machine configuration if self.coredata.cross_files: @@ -581,14 +651,85 @@ class Environment: machines.host = MachineInfo.from_literal(config['host_machine']) if 'target_machine' in config: machines.target = MachineInfo.from_literal(config['target_machine']) - paths.host = Directories(**config.get('paths', {})) + load_options('project options', user_options) + meson_options.host = collections.defaultdict(dict) + compiler_options.host = collections.defaultdict(dict) + if config.get('paths') is not None: + mlog.deprecation('The [paths] section is deprecated, use the [built-in options] section instead.') + load_options('paths', meson_options.host) + load_options('built-in options', meson_options.host) + split_base_options(meson_options.host) + split_compiler_options(meson_options.host, MachineChoice.HOST) + move_compiler_options(properties.host, compiler_options.host) ## "freeze" now initialized configuration, and "save" to the class. self.machines = machines.default_missing() self.binaries = binaries.default_missing() self.properties = properties.default_missing() - self.paths = paths.default_missing() + self.user_options = user_options + self.meson_options = meson_options.default_missing() + self.base_options = _base_options + self.compiler_options = compiler_options.default_missing() + + # Some options default to environment variables if they are + # unset, set those now. + + for for_machine in MachineChoice: + p_env_pair = get_env_var_pair(for_machine, self.coredata.is_cross_build(), 'PKG_CONFIG_PATH') + if p_env_pair is not None: + p_env_var, p_env = p_env_pair + + # PKG_CONFIG_PATH may contain duplicates, which must be + # removed, else a duplicates-in-array-option warning arises. + p_list = list(mesonlib.OrderedSet(p_env.split(':'))) + + key = 'pkg_config_path' + + if self.first_invocation: + # Environment variables override config + self.meson_options[for_machine][''][key] = p_list + elif self.meson_options[for_machine][''].get(key, []) != p_list: + mlog.warning( + p_env_var, + 'environment variable does not match configured', + 'between configurations, meson ignores this.', + 'Use -Dpkg_config_path to change pkg-config search', + 'path instead.' + ) + + # Read in command line and populate options + # TODO: validate all of this + all_builtins = set(coredata.builtin_options) | set(coredata.builtin_options_per_machine) | set(coredata.builtin_dir_noprefix_options) + for k, v in options.cmd_line_options.items(): + try: + subproject, k = k.split(':') + except ValueError: + subproject = '' + if k in base_options: + self.base_options[k] = v + elif k.startswith(lang_prefixes): + lang, key = k.split('_', 1) + self.compiler_options.host[lang][key] = v + elif k in all_builtins or k.startswith('backend_'): + self.meson_options.host[subproject][k] = v + elif k.startswith('build.'): + k = k.lstrip('build.') + if k in coredata.builtin_options_per_machine: + if self.meson_options.build is None: + self.meson_options.build = collections.defaultdict(dict) + self.meson_options.build[subproject][k] = v + else: + assert not k.startswith('build.') + self.user_options[subproject][k] = v + + # Warn if the user is using two different ways of setting build-type + # options that override each other + if meson_options.build and 'buildtype' in meson_options.build[''] and \ + ('optimization' in meson_options.build[''] or 'debug' in meson_options.build['']): + mlog.warning('Recommend using either -Dbuildtype or -Doptimization + -Ddebug. ' + 'Using both is redundant since they override each other. ' + 'See: https://mesonbuild.com/Builtin-options.html#build-type-options') exe_wrapper = self.lookup_binary_entry(MachineChoice.HOST, 'exe_wrapper') if exe_wrapper is not None: @@ -597,8 +738,6 @@ class Environment: else: self.exe_wrapper = None - self.cmd_line_options = options.cmd_line_options.copy() - # List of potential compilers. if mesonlib.is_windows(): # Intel C and C++ compiler is icl on Windows, but icc and icpc elsewhere. |