| # Copyright 2012-2016 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 sys, stat, traceback, argparse |
| import datetime |
| import os.path |
| from . import environment, interpreter, mesonlib |
| from . import build |
| from . import mconf, mintro, mtest, rewriter, minit |
| import platform |
| from . import mlog, coredata |
| from .mesonlib import MesonException |
| from .wrap import WrapMode, wraptool |
| |
| default_warning = '1' |
| |
| def add_builtin_argument(p, name, **kwargs): |
| k = kwargs.get('dest', name.replace('-', '_')) |
| c = coredata.get_builtin_option_choices(k) |
| b = kwargs.get('action', None) in ['store_true', 'store_false'] |
| h = coredata.get_builtin_option_description(k) |
| if not b: |
| h = h.rstrip('.') + ' (default: %s).' % coredata.get_builtin_option_default(k) |
| if c and not b: |
| kwargs['choices'] = c |
| default = coredata.get_builtin_option_default(k, noneIfSuppress=True) |
| if default is not None: |
| kwargs['default'] = default |
| else: |
| kwargs['default'] = argparse.SUPPRESS |
| p.add_argument('--' + name, help=h, **kwargs) |
| |
| def create_parser(): |
| p = argparse.ArgumentParser(prog='meson') |
| add_builtin_argument(p, 'prefix') |
| add_builtin_argument(p, 'libdir') |
| add_builtin_argument(p, 'libexecdir') |
| add_builtin_argument(p, 'bindir') |
| add_builtin_argument(p, 'sbindir') |
| add_builtin_argument(p, 'includedir') |
| add_builtin_argument(p, 'datadir') |
| add_builtin_argument(p, 'mandir') |
| add_builtin_argument(p, 'infodir') |
| add_builtin_argument(p, 'localedir') |
| add_builtin_argument(p, 'sysconfdir') |
| add_builtin_argument(p, 'localstatedir') |
| add_builtin_argument(p, 'sharedstatedir') |
| add_builtin_argument(p, 'backend') |
| add_builtin_argument(p, 'buildtype') |
| add_builtin_argument(p, 'strip', action='store_true') |
| add_builtin_argument(p, 'unity') |
| add_builtin_argument(p, 'werror', action='store_true') |
| add_builtin_argument(p, 'layout') |
| add_builtin_argument(p, 'default-library') |
| add_builtin_argument(p, 'warnlevel', dest='warning_level') |
| add_builtin_argument(p, 'stdsplit', action='store_false') |
| add_builtin_argument(p, 'errorlogs', action='store_false') |
| p.add_argument('--cross-file', default=None, |
| help='File describing cross compilation environment.') |
| p.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.') |
| p.add_argument('-v', '--version', action='version', |
| version=coredata.version) |
| # See the mesonlib.WrapMode enum for documentation |
| p.add_argument('--wrap-mode', default=WrapMode.default, |
| type=wrapmodetype, choices=WrapMode, |
| help='Special wrap mode to use') |
| p.add_argument('directories', nargs='*') |
| return p |
| |
| def wrapmodetype(string): |
| try: |
| return getattr(WrapMode, string) |
| except AttributeError: |
| msg = ', '.join([t.name.lower() for t in WrapMode]) |
| msg = 'invalid argument {!r}, use one of {}'.format(string, msg) |
| raise argparse.ArgumentTypeError(msg) |
| |
| class MesonApp: |
| |
| def __init__(self, dir1, dir2, script_launcher, handshake, options, original_cmd_line_args): |
| (self.source_dir, self.build_dir) = self.validate_dirs(dir1, dir2, handshake) |
| self.meson_script_launcher = script_launcher |
| self.options = options |
| self.original_cmd_line_args = original_cmd_line_args |
| |
| def has_build_file(self, dirname): |
| fname = os.path.join(dirname, environment.build_filename) |
| return os.path.exists(fname) |
| |
| def validate_core_dirs(self, dir1, dir2): |
| ndir1 = os.path.abspath(os.path.realpath(dir1)) |
| ndir2 = os.path.abspath(os.path.realpath(dir2)) |
| if not os.path.exists(ndir1): |
| os.makedirs(ndir1) |
| if not os.path.exists(ndir2): |
| os.makedirs(ndir2) |
| if not stat.S_ISDIR(os.stat(ndir1).st_mode): |
| raise RuntimeError('%s is not a directory' % dir1) |
| if not stat.S_ISDIR(os.stat(ndir2).st_mode): |
| raise RuntimeError('%s is not a directory' % dir2) |
| if os.path.samefile(dir1, dir2): |
| raise RuntimeError('Source and build directories must not be the same. Create a pristine build directory.') |
| if self.has_build_file(ndir1): |
| if self.has_build_file(ndir2): |
| raise RuntimeError('Both directories contain a build file %s.' % environment.build_filename) |
| return ndir1, ndir2 |
| if self.has_build_file(ndir2): |
| return ndir2, ndir1 |
| raise RuntimeError('Neither directory contains a build file %s.' % environment.build_filename) |
| |
| def validate_dirs(self, dir1, dir2, handshake): |
| (src_dir, build_dir) = self.validate_core_dirs(dir1, dir2) |
| priv_dir = os.path.join(build_dir, 'meson-private/coredata.dat') |
| if os.path.exists(priv_dir): |
| if not handshake: |
| print('Directory already configured, exiting Meson. Just run your build command\n' |
| '(e.g. ninja) and Meson will regenerate as necessary. If ninja fails, run ninja\n' |
| 'reconfigure to force Meson to regenerate.\n' |
| '\nIf build failures persist, manually wipe your build directory to clear any\n' |
| 'stored system data.\n' |
| '\nTo change option values, run meson configure instead.') |
| sys.exit(0) |
| else: |
| if handshake: |
| raise RuntimeError('Something went terribly wrong. Please file a bug.') |
| return src_dir, build_dir |
| |
| def check_pkgconfig_envvar(self, env): |
| curvar = os.environ.get('PKG_CONFIG_PATH', '') |
| if curvar != env.coredata.pkgconf_envvar: |
| mlog.warning('PKG_CONFIG_PATH has changed between invocations from "%s" to "%s".' % |
| (env.coredata.pkgconf_envvar, curvar)) |
| env.coredata.pkgconf_envvar = curvar |
| |
| def generate(self): |
| env = environment.Environment(self.source_dir, self.build_dir, self.meson_script_launcher, self.options, self.original_cmd_line_args) |
| mlog.initialize(env.get_log_dir()) |
| self._generate(env) |
| |
| def _generate(self, env): |
| mlog.debug('Build started at', datetime.datetime.now().isoformat()) |
| mlog.debug('Main binary:', sys.executable) |
| mlog.debug('Python system:', platform.system()) |
| mlog.log(mlog.bold('The Meson build system')) |
| self.check_pkgconfig_envvar(env) |
| mlog.log('Version:', coredata.version) |
| mlog.log('Source dir:', mlog.bold(self.source_dir)) |
| mlog.log('Build dir:', mlog.bold(self.build_dir)) |
| if env.is_cross_build(): |
| mlog.log('Build type:', mlog.bold('cross build')) |
| else: |
| mlog.log('Build type:', mlog.bold('native build')) |
| b = build.Build(env) |
| if self.options.backend == 'ninja': |
| from .backend import ninjabackend |
| g = ninjabackend.NinjaBackend(b) |
| elif self.options.backend == 'vs': |
| from .backend import vs2010backend |
| g = vs2010backend.autodetect_vs_version(b) |
| env.coredata.set_builtin_option('backend', g.name) |
| mlog.log('Auto detected Visual Studio backend:', mlog.bold(g.name)) |
| elif self.options.backend == 'vs2010': |
| from .backend import vs2010backend |
| g = vs2010backend.Vs2010Backend(b) |
| elif self.options.backend == 'vs2015': |
| from .backend import vs2015backend |
| g = vs2015backend.Vs2015Backend(b) |
| elif self.options.backend == 'vs2017': |
| from .backend import vs2017backend |
| g = vs2017backend.Vs2017Backend(b) |
| elif self.options.backend == 'xcode': |
| from .backend import xcodebackend |
| g = xcodebackend.XCodeBackend(b) |
| else: |
| raise RuntimeError('Unknown backend "%s".' % self.options.backend) |
| |
| intr = interpreter.Interpreter(b, g) |
| if env.is_cross_build(): |
| mlog.log('Host machine cpu family:', mlog.bold(intr.builtin['host_machine'].cpu_family_method([], {}))) |
| mlog.log('Host machine cpu:', mlog.bold(intr.builtin['host_machine'].cpu_method([], {}))) |
| mlog.log('Target machine cpu family:', mlog.bold(intr.builtin['target_machine'].cpu_family_method([], {}))) |
| mlog.log('Target machine cpu:', mlog.bold(intr.builtin['target_machine'].cpu_method([], {}))) |
| mlog.log('Build machine cpu family:', mlog.bold(intr.builtin['build_machine'].cpu_family_method([], {}))) |
| mlog.log('Build machine cpu:', mlog.bold(intr.builtin['build_machine'].cpu_method([], {}))) |
| intr.run() |
| try: |
| dumpfile = os.path.join(env.get_scratch_dir(), 'build.dat') |
| # We would like to write coredata as late as possible since we use the existence of |
| # this file to check if we generated the build file successfully. Since coredata |
| # includes settings, the build files must depend on it and appear newer. However, due |
| # to various kernel caches, we cannot guarantee that any time in Python is exactly in |
| # sync with the time that gets applied to any files. Thus, we dump this file as late as |
| # possible, but before build files, and if any error occurs, delete it. |
| cdf = env.dump_coredata() |
| g.generate(intr) |
| build.save(b, dumpfile) |
| # Post-conf scripts must be run after writing coredata or else introspection fails. |
| g.run_postconf_scripts() |
| except: |
| os.unlink(cdf) |
| raise |
| |
| def run_script_command(args): |
| cmdname = args[0] |
| cmdargs = args[1:] |
| if cmdname == 'exe': |
| import mesonbuild.scripts.meson_exe as abc |
| cmdfunc = abc.run |
| elif cmdname == 'cleantrees': |
| import mesonbuild.scripts.cleantrees as abc |
| cmdfunc = abc.run |
| elif cmdname == 'install': |
| import mesonbuild.scripts.meson_install as abc |
| cmdfunc = abc.run |
| elif cmdname == 'commandrunner': |
| import mesonbuild.scripts.commandrunner as abc |
| cmdfunc = abc.run |
| elif cmdname == 'delsuffix': |
| import mesonbuild.scripts.delwithsuffix as abc |
| cmdfunc = abc.run |
| elif cmdname == 'depfixer': |
| import mesonbuild.scripts.depfixer as abc |
| cmdfunc = abc.run |
| elif cmdname == 'dirchanger': |
| import mesonbuild.scripts.dirchanger as abc |
| cmdfunc = abc.run |
| elif cmdname == 'gtkdoc': |
| import mesonbuild.scripts.gtkdochelper as abc |
| cmdfunc = abc.run |
| elif cmdname == 'msgfmthelper': |
| import mesonbuild.scripts.msgfmthelper as abc |
| cmdfunc = abc.run |
| elif cmdname == 'regencheck': |
| import mesonbuild.scripts.regen_checker as abc |
| cmdfunc = abc.run |
| elif cmdname == 'symbolextractor': |
| import mesonbuild.scripts.symbolextractor as abc |
| cmdfunc = abc.run |
| elif cmdname == 'scanbuild': |
| import mesonbuild.scripts.scanbuild as abc |
| cmdfunc = abc.run |
| elif cmdname == 'vcstagger': |
| import mesonbuild.scripts.vcstagger as abc |
| cmdfunc = abc.run |
| elif cmdname == 'gettext': |
| import mesonbuild.scripts.gettext as abc |
| cmdfunc = abc.run |
| elif cmdname == 'yelphelper': |
| import mesonbuild.scripts.yelphelper as abc |
| cmdfunc = abc.run |
| elif cmdname == 'uninstall': |
| import mesonbuild.scripts.uninstall as abc |
| cmdfunc = abc.run |
| elif cmdname == 'dist': |
| import mesonbuild.scripts.dist as abc |
| cmdfunc = abc.run |
| elif cmdname == 'coverage': |
| import mesonbuild.scripts.coverage as abc |
| cmdfunc = abc.run |
| else: |
| raise MesonException('Unknown internal command {}.'.format(cmdname)) |
| return cmdfunc(cmdargs) |
| |
| def run(original_args, mainfile=None): |
| if sys.version_info < (3, 5): |
| print('Meson works correctly only with python 3.5+.') |
| print('You have python %s.' % sys.version) |
| print('Please update your environment') |
| return 1 |
| args = original_args[:] |
| if len(args) > 0: |
| # First check if we want to run a subcommand. |
| cmd_name = args[0] |
| remaining_args = args[1:] |
| if cmd_name == 'test': |
| return mtest.run(remaining_args) |
| elif cmd_name == 'setup': |
| args = remaining_args |
| # FALLTHROUGH like it's 1972. |
| elif cmd_name == 'introspect': |
| return mintro.run(remaining_args) |
| elif cmd_name == 'rewrite': |
| return rewriter.run(remaining_args) |
| elif cmd_name == 'configure': |
| try: |
| return mconf.run(remaining_args) |
| except MesonException as e: |
| mlog.log(mlog.red('\nError configuring project:'), e) |
| sys.exit(1) |
| elif cmd_name == 'wrap': |
| return wraptool.run(remaining_args) |
| elif cmd_name == 'init': |
| return minit.run(remaining_args) |
| elif cmd_name == 'runpython': |
| import runpy |
| script_file = remaining_args[0] |
| sys.argv[1:] = remaining_args[1:] |
| runpy.run_path(script_file, run_name='__main__') |
| sys.exit(0) |
| |
| # No special command? Do the basic setup/reconf. |
| if len(args) >= 2 and args[0] == '--internal': |
| if args[1] != 'regenerate': |
| script = args[1] |
| try: |
| sys.exit(run_script_command(args[1:])) |
| except MesonException as e: |
| mlog.log(mlog.red('\nError in {} helper script:'.format(script))) |
| mlog.log(e) |
| sys.exit(1) |
| args = args[2:] |
| handshake = True |
| else: |
| handshake = False |
| |
| parser = create_parser() |
| |
| args = mesonlib.expand_arguments(args) |
| options = parser.parse_args(args) |
| args = options.directories |
| if not args or len(args) > 2: |
| # if there's a meson.build in the dir above, and not in the current |
| # directory, assume we're in the build directory |
| if not args and not os.path.exists('meson.build') and os.path.exists('../meson.build'): |
| dir1 = '..' |
| dir2 = '.' |
| else: |
| print('{} <source directory> <build directory>'.format(sys.argv[0])) |
| print('If you omit either directory, the current directory is substituted.') |
| print('Run {} --help for more information.'.format(sys.argv[0])) |
| return 1 |
| else: |
| dir1 = args[0] |
| if len(args) > 1: |
| dir2 = args[1] |
| else: |
| dir2 = '.' |
| try: |
| if mainfile is None: |
| raise AssertionError('I iz broken. Sorry.') |
| app = MesonApp(dir1, dir2, mainfile, handshake, options, original_args) |
| except Exception as e: |
| # Log directory does not exist, so just print |
| # to stdout. |
| print('Error during basic setup:\n') |
| print(e) |
| return 1 |
| try: |
| app.generate() |
| except Exception as e: |
| if isinstance(e, MesonException): |
| mlog.log() |
| if hasattr(e, 'file') and hasattr(e, 'lineno') and hasattr(e, 'colno'): |
| mlog.log('%s:%d:%d:' % (e.file, e.lineno, e.colno), mlog.red('ERROR: '), end='') |
| else: |
| mlog.log(mlog.red('ERROR: '), end='') |
| # Error message |
| mlog.log(e) |
| # Path to log file |
| mlog.shutdown() |
| logfile = os.path.join(app.build_dir, environment.Environment.log_dir, mlog.log_fname) |
| mlog.log("\nA full log can be found at", mlog.bold(logfile)) |
| if os.environ.get('MESON_FORCE_BACKTRACE'): |
| raise |
| return 1 |
| else: |
| if os.environ.get('MESON_FORCE_BACKTRACE'): |
| raise |
| traceback.print_exc() |
| return 2 |
| finally: |
| mlog.shutdown() |
| |
| return 0 |
