diff options
Diffstat (limited to 'meson/mesonmain.py')
| -rwxr-xr-x | meson/mesonmain.py | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/meson/mesonmain.py b/meson/mesonmain.py new file mode 100755 index 0000000..c4a9ada --- /dev/null +++ b/meson/mesonmain.py @@ -0,0 +1,225 @@ +#!/usr/bin/env python3 + +# Copyright 2012-2015 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, pickle, argparse +import datetime +import os.path +from . import environment, interpreter, mesonlib +from .import build +import platform +from . import mlog, coredata + +from .coredata import MesonException, build_types, layouts, warning_levels, libtypelist + +backendlist = ['ninja', 'vs2010', 'xcode'] + +parser = argparse.ArgumentParser() + +default_warning = '1' + +if mesonlib.is_windows(): + def_prefix = 'c:/' +else: + def_prefix = '/usr/local' + +parser.add_argument('--prefix', default=def_prefix, dest='prefix', + help='the installation prefix (default: %(default)s)') +parser.add_argument('--libdir', default=mesonlib.default_libdir(), dest='libdir', + help='the installation subdir of libraries (default: %(default)s)') +parser.add_argument('--bindir', default='bin', dest='bindir', + help='the installation subdir of executables (default: %(default)s)') +parser.add_argument('--includedir', default='include', dest='includedir', + help='relative path of installed headers (default: %(default)s)') +parser.add_argument('--datadir', default='share', dest='datadir', + help='relative path to the top of data file subdirectory (default: %(default)s)') +parser.add_argument('--mandir', default='share/man', dest='mandir', + help='relative path of man files (default: %(default)s)') +parser.add_argument('--localedir', default='share/locale', dest='localedir', + help='relative path of locale data (default: %(default)s)') +parser.add_argument('--backend', default='ninja', dest='backend', choices=backendlist, + help='backend to use (default: %(default)s)') +parser.add_argument('--buildtype', default='debug', choices=build_types, dest='buildtype', + help='build type go use (default: %(default)s)') +parser.add_argument('--strip', action='store_true', dest='strip', default=False,\ + help='strip targets on install (default: %(default)s)') +parser.add_argument('--enable-gcov', action='store_true', dest='coverage', default=False,\ + help='measure test coverage') +parser.add_argument('--disable-pch', action='store_false', dest='use_pch', default=True,\ + help='do not use precompiled headers') +parser.add_argument('--unity', action='store_true', dest='unity', default=False,\ + help='unity build') +parser.add_argument('--werror', action='store_true', dest='werror', default=False,\ + help='Treat warnings as errors') +parser.add_argument('--layout', choices=layouts, dest='layout', default='mirror',\ + help='Build directory layout.') +parser.add_argument('--default-library', choices=libtypelist, dest='default_library', + default='shared', help='Default library type.') +parser.add_argument('--warnlevel', default=default_warning, dest='warning_level', choices=warning_levels,\ + help='Level of compiler warnings to use (larger is more, default is %(default)s)') +parser.add_argument('--cross-file', default=None, dest='cross_file', + help='file describing cross compilation environment') +parser.add_argument('-D', action='append', dest='projectoptions', default=[], + help='Set project options.') +parser.add_argument('-v', '--version', action='store_true', dest='print_version', default=False, + help='Print version.') +parser.add_argument('directories', nargs='*') + +class MesonApp(): + + def __init__(self, dir1, dir2, script_file, handshake, options): + (self.source_dir, self.build_dir) = self.validate_dirs(dir1, dir2, handshake) + if not os.path.isabs(options.prefix): + raise RuntimeError('--prefix must be an absolute path.') + self.meson_script_file = script_file + self.options = options + + 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(dir1) + ndir2 = os.path.abspath(dir2) + 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: + msg = '''Trying to run Meson on a build directory that has already been configured. +If you want to build it, just run your build command (e.g. ninja) inside the +build directory. Meson will autodetect any changes in your setup and regenerate +itself as required.''' + raise RuntimeError(msg) + else: + if handshake: + raise RuntimeError('Something went terribly wrong. Please file a bug.') + return (src_dir, build_dir) + + def generate(self): + env = environment.Environment(self.source_dir, self.build_dir, self.meson_script_file, self.options) + mlog.initialize(env.get_log_dir()) + mlog.debug('Build started at', datetime.datetime.now().isoformat()) + mlog.debug('Python binary:', sys.executable) + mlog.debug('Python system:', platform.system()) + mlog.log(mlog.bold('The Meson build system')) + 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 . import ninjabackend + g = ninjabackend.NinjaBackend(b) + elif self.options.backend == 'vs2010': + from . import vs2010backend + g = vs2010backend.Vs2010Backend(b) + elif self.options.backend == 'xcode': + from . 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() + g.generate(intr) + env.generating_finished() + dumpfile = os.path.join(env.get_scratch_dir(), 'build.dat') + pickle.dump(b, open(dumpfile, 'wb')) + +def run(args): + if sys.version_info < (3, 3): + print('Meson works correctly only with python 3.3+.') + print('You have python %s.' % sys.version) + print('Please update your environment') + return 1 + if args[-1] == 'secret-handshake': + args = args[:-1] + handshake = True + else: + handshake = False + args = mesonlib.expand_arguments(args) + if not args: + return 1 + options = parser.parse_args(args[1:]) + if options.print_version: + print(coredata.version) + return 0 + args = options.directories + if len(args) == 0 or len(args) > 2: + print('%s <source directory> <build directory>' % sys.argv[0]) + print('If you omit either directory, the current directory is substituted.') + return 1 + dir1 = args[0] + if len(args) > 1: + dir2 = args[1] + else: + dir2 = '.' + this_file = os.path.abspath(__file__) + while os.path.islink(this_file): + resolved = os.readlink(this_file) + if resolved[0] != '/': + this_file = os.path.join(os.path.dirname(this_file), resolved) + else: + this_file = resolved + + try: + app = MesonApp(dir1, dir2, this_file, handshake, options) + 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): + if hasattr(e, 'file') and hasattr(e, 'lineno') and hasattr(e, 'colno'): + mlog.log(mlog.red('\nMeson encountered an error in file %s, line %d, column %d:' % (e.file, e.lineno, e.colno))) + else: + mlog.log(mlog.red('\nMeson encountered an error:')) + mlog.log(e) + else: + traceback.print_exc() + return 1 + return 0 + +if __name__ == '__main__': + sys.exit(run(sys.argv[:])) |