1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
#!/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
import environment, interpreter, mesonlib
import build
import platform
import mlog, coredata
from coredata import MesonException
parser = argparse.ArgumentParser()
backendlist = ['ninja', 'vs2010', 'xcode']
build_types = ['plain', 'debug', 'debugoptimized', 'release']
warning_levels = ['1', '2', '3']
default_warning = '1'
try:
warn_candidate = os.environ['MESON_WARN_LEVEL']
if warn_candidate in warning_levels:
default_warning = warn_candidate
except KeyError:
pass
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('--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', 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)
intr = interpreter.Interpreter(b)
mlog.log('Build machine cpu:', mlog.bold(intr.builtin['build_machine'].cpu_method([], {})))
if env.is_cross_build():
mlog.log('Host machine cpu:', mlog.bold(intr.builtin['host_machine'].cpu_method([], {})))
mlog.log('Target machine cpu:', mlog.bold(intr.builtin['target_machine'].cpu_method([], {})))
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".' % self.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[:]))
|
