| #!/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 os.path |
| import environment, interpreter, mesonlib |
| import build |
| import mlog, coredata |
| |
| from coredata import MesonException |
| |
| parser = argparse.ArgumentParser() |
| |
| backendlist = ['ninja', 'vs2010', 'xcode'] |
| build_types = ['plain', 'debug', 'debugoptimized', 'release'] |
| |
| 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('--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', 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.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) |
| intr = interpreter.Interpreter(b) |
| intr.run() |
| if self.options.backend == 'ninja': |
| import ninjabackend |
| g = ninjabackend.NinjaBackend(b, intr) |
| elif self.options.backend == 'vs2010': |
| import vs2010backend |
| g = vs2010backend.Vs2010Backend(b, intr) |
| elif self.options.backend == 'xcode': |
| import xcodebackend |
| g = xcodebackend.XCodeBackend(b, intr) |
| else: |
| raise RuntimeError('Unknown backend "%s".' % options.backend) |
| g.generate() |
| 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, 4): |
| print('Meson works correctly only with python 3.4+.') |
| 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 |
| 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[:])) |
