Merge pull request #4204 from xclaesse/unify-cmd-line
Use a single ArgumentParser for all subcommandspull/4311/head
Jussi Pakkanen
7 years ago
committed by
GitHub
commit
577d6bfdb4
12 changed files with 369 additions and 382 deletions
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# Copyright 2016-2018 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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import time |
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import sys, stat |
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import datetime |
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import os.path |
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import platform |
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import cProfile as profile |
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import argparse |
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from . import environment, interpreter, mesonlib |
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from . import build |
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from . import mlog, coredata |
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from .mesonlib import MesonException |
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from .wrap import WrapMode |
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def add_arguments(parser): |
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coredata.register_builtin_arguments(parser) |
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parser.add_argument('--cross-file', default=None, |
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help='File describing cross compilation environment.') |
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parser.add_argument('-v', '--version', action='version', |
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version=coredata.version) |
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# See the mesonlib.WrapMode enum for documentation |
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parser.add_argument('--wrap-mode', default=None, |
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type=wrapmodetype, choices=WrapMode, |
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help='Special wrap mode to use') |
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parser.add_argument('--profile-self', action='store_true', dest='profile', |
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help=argparse.SUPPRESS) |
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parser.add_argument('--fatal-meson-warnings', action='store_true', dest='fatal_warnings', |
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help='Make all Meson warnings fatal') |
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parser.add_argument('--reconfigure', action='store_true', |
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help='Set options and reconfigure the project. Useful when new ' + |
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'options have been added to the project and the default value ' + |
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'is not working.') |
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parser.add_argument('builddir', nargs='?', default=None) |
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parser.add_argument('sourcedir', nargs='?', default=None) |
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def wrapmodetype(string): |
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try: |
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return getattr(WrapMode, string) |
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except AttributeError: |
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msg = ', '.join([t.name.lower() for t in WrapMode]) |
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msg = 'invalid argument {!r}, use one of {}'.format(string, msg) |
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raise argparse.ArgumentTypeError(msg) |
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class MesonApp: |
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def __init__(self, options): |
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(self.source_dir, self.build_dir) = self.validate_dirs(options.builddir, |
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options.sourcedir, |
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options.reconfigure) |
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self.options = options |
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def has_build_file(self, dirname): |
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fname = os.path.join(dirname, environment.build_filename) |
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return os.path.exists(fname) |
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def validate_core_dirs(self, dir1, dir2): |
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if dir1 is None: |
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if dir2 is None: |
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if not os.path.exists('meson.build') and os.path.exists('../meson.build'): |
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dir2 = '..' |
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else: |
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raise MesonException('Must specify at least one directory name.') |
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dir1 = os.getcwd() |
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if dir2 is None: |
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dir2 = os.getcwd() |
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ndir1 = os.path.abspath(os.path.realpath(dir1)) |
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ndir2 = os.path.abspath(os.path.realpath(dir2)) |
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if not os.path.exists(ndir1): |
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os.makedirs(ndir1) |
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if not os.path.exists(ndir2): |
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os.makedirs(ndir2) |
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if not stat.S_ISDIR(os.stat(ndir1).st_mode): |
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raise MesonException('%s is not a directory' % dir1) |
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if not stat.S_ISDIR(os.stat(ndir2).st_mode): |
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raise MesonException('%s is not a directory' % dir2) |
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if os.path.samefile(dir1, dir2): |
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raise MesonException('Source and build directories must not be the same. Create a pristine build directory.') |
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if self.has_build_file(ndir1): |
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if self.has_build_file(ndir2): |
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raise MesonException('Both directories contain a build file %s.' % environment.build_filename) |
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return ndir1, ndir2 |
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if self.has_build_file(ndir2): |
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return ndir2, ndir1 |
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raise MesonException('Neither directory contains a build file %s.' % environment.build_filename) |
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def validate_dirs(self, dir1, dir2, reconfigure): |
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(src_dir, build_dir) = self.validate_core_dirs(dir1, dir2) |
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priv_dir = os.path.join(build_dir, 'meson-private/coredata.dat') |
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if os.path.exists(priv_dir): |
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if not reconfigure: |
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print('Directory already configured.\n' |
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'\nJust run your build command (e.g. ninja) and Meson will regenerate as necessary.\n' |
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'If ninja fails, run "ninja reconfigure" or "meson --reconfigure"\n' |
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'to force Meson to regenerate.\n' |
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'\nIf build failures persist, manually wipe your build directory to clear any\n' |
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'stored system data.\n' |
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'\nTo change option values, run "meson configure" instead.') |
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sys.exit(0) |
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else: |
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if reconfigure: |
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print('Directory does not contain a valid build tree:\n{}'.format(build_dir)) |
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sys.exit(1) |
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return src_dir, build_dir |
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def check_pkgconfig_envvar(self, env): |
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curvar = os.environ.get('PKG_CONFIG_PATH', '') |
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if curvar != env.coredata.pkgconf_envvar: |
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mlog.warning('PKG_CONFIG_PATH has changed between invocations from "%s" to "%s".' % |
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(env.coredata.pkgconf_envvar, curvar)) |
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env.coredata.pkgconf_envvar = curvar |
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def generate(self): |
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env = environment.Environment(self.source_dir, self.build_dir, self.options) |
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mlog.initialize(env.get_log_dir(), self.options.fatal_warnings) |
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if self.options.profile: |
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mlog.set_timestamp_start(time.monotonic()) |
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with mesonlib.BuildDirLock(self.build_dir): |
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self._generate(env) |
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def _generate(self, env): |
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mlog.debug('Build started at', datetime.datetime.now().isoformat()) |
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mlog.debug('Main binary:', sys.executable) |
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mlog.debug('Python system:', platform.system()) |
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mlog.log(mlog.bold('The Meson build system')) |
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self.check_pkgconfig_envvar(env) |
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mlog.log('Version:', coredata.version) |
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mlog.log('Source dir:', mlog.bold(self.source_dir)) |
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mlog.log('Build dir:', mlog.bold(self.build_dir)) |
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if env.is_cross_build(): |
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mlog.log('Build type:', mlog.bold('cross build')) |
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else: |
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mlog.log('Build type:', mlog.bold('native build')) |
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b = build.Build(env) |
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intr = interpreter.Interpreter(b) |
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if env.is_cross_build(): |
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mlog.log('Host machine cpu family:', mlog.bold(intr.builtin['host_machine'].cpu_family_method([], {}))) |
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mlog.log('Host machine cpu:', mlog.bold(intr.builtin['host_machine'].cpu_method([], {}))) |
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mlog.log('Target machine cpu family:', mlog.bold(intr.builtin['target_machine'].cpu_family_method([], {}))) |
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mlog.log('Target machine cpu:', mlog.bold(intr.builtin['target_machine'].cpu_method([], {}))) |
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mlog.log('Build machine cpu family:', mlog.bold(intr.builtin['build_machine'].cpu_family_method([], {}))) |
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mlog.log('Build machine cpu:', mlog.bold(intr.builtin['build_machine'].cpu_method([], {}))) |
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if self.options.profile: |
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fname = os.path.join(self.build_dir, 'meson-private', 'profile-interpreter.log') |
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profile.runctx('intr.run()', globals(), locals(), filename=fname) |
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else: |
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intr.run() |
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# Print all default option values that don't match the current value |
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for def_opt_name, def_opt_value, cur_opt_value in intr.get_non_matching_default_options(): |
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mlog.log('Option', mlog.bold(def_opt_name), 'is:', |
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mlog.bold(str(cur_opt_value)), |
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'[default: {}]'.format(str(def_opt_value))) |
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try: |
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dumpfile = os.path.join(env.get_scratch_dir(), 'build.dat') |
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# We would like to write coredata as late as possible since we use the existence of |
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# this file to check if we generated the build file successfully. Since coredata |
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# includes settings, the build files must depend on it and appear newer. However, due |
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# to various kernel caches, we cannot guarantee that any time in Python is exactly in |
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# sync with the time that gets applied to any files. Thus, we dump this file as late as |
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# possible, but before build files, and if any error occurs, delete it. |
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cdf = env.dump_coredata() |
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if self.options.profile: |
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fname = 'profile-{}-backend.log'.format(intr.backend.name) |
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fname = os.path.join(self.build_dir, 'meson-private', fname) |
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profile.runctx('intr.backend.generate(intr)', globals(), locals(), filename=fname) |
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else: |
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intr.backend.generate(intr) |
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build.save(b, dumpfile) |
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# Post-conf scripts must be run after writing coredata or else introspection fails. |
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intr.backend.run_postconf_scripts() |
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except: |
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if 'cdf' in locals(): |
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old_cdf = cdf + '.prev' |
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if os.path.exists(old_cdf): |
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os.replace(old_cdf, cdf) |
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else: |
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os.unlink(cdf) |
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raise |
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def run(options): |
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coredata.parse_cmd_line_options(options) |
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app = MesonApp(options) |
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app.generate() |
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return 0 |
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