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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
|
# Copyright 2014-2016 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, os
import pickle
import argparse
from . import coredata, mesonlib
parser = argparse.ArgumentParser(prog='meson configure')
parser.add_argument('-D', action='append', default=[], dest='sets',
help='Set an option to the given value.')
parser.add_argument('directory', nargs='*')
parser.add_argument('--clearcache', action='store_true', default=False,
help='Clear cached state (e.g. found dependencies)')
class ConfException(mesonlib.MesonException):
pass
class Conf:
def __init__(self, build_dir):
self.build_dir = build_dir
self.coredata_file = os.path.join(build_dir, 'meson-private/coredata.dat')
self.build_file = os.path.join(build_dir, 'meson-private/build.dat')
if not os.path.isfile(self.coredata_file) or not os.path.isfile(self.build_file):
raise ConfException('Directory %s does not seem to be a Meson build directory.' % build_dir)
with open(self.coredata_file, 'rb') as f:
self.coredata = pickle.load(f)
with open(self.build_file, 'rb') as f:
self.build = pickle.load(f)
if self.coredata.version != coredata.version:
raise ConfException('Version mismatch (%s vs %s)' %
(coredata.version, self.coredata.version))
def clear_cache(self):
self.coredata.deps = {}
def save(self):
# Only called if something has changed so overwrite unconditionally.
with open(self.coredata_file, 'wb') as f:
pickle.dump(self.coredata, f)
# We don't write the build file because any changes to it
# are erased when Meson is executed the next time, i.e. when
# Ninja is run.
def print_aligned(self, arr):
if not arr:
return
titles = {'name': 'Option', 'descr': 'Description', 'value': 'Current Value', 'choices': 'Possible Values'}
len_name = longest_name = len(titles['name'])
len_descr = longest_descr = len(titles['descr'])
len_value = longest_value = len(titles['value'])
longest_choices = 0 # not printed if we don't get any optional values
# calculate the max length of each
for x in arr:
name = x['name']
descr = x['descr']
value = x['value'] if isinstance(x['value'], str) else str(x['value']).lower()
choices = ''
if isinstance(x['choices'], list):
if x['choices']:
x['choices'] = [s if isinstance(s, str) else str(s).lower() for s in x['choices']]
choices = '[%s]' % ', '.join(map(str, x['choices']))
elif x['choices']:
choices = x['choices'] if isinstance(x['choices'], str) else str(x['choices']).lower()
longest_name = max(longest_name, len(name))
longest_descr = max(longest_descr, len(descr))
longest_value = max(longest_value, len(value))
longest_choices = max(longest_choices, len(choices))
# update possible non strings
x['value'] = value
x['choices'] = choices
# prints header
namepad = ' ' * (longest_name - len_name)
valuepad = ' ' * (longest_value - len_value)
if longest_choices:
len_choices = len(titles['choices'])
longest_choices = max(longest_choices, len_choices)
choicepad = ' ' * (longest_choices - len_choices)
print(' %s%s %s%s %s%s %s' % (titles['name'], namepad, titles['value'], valuepad, titles['choices'], choicepad, titles['descr']))
print(' %s%s %s%s %s%s %s' % ('-' * len_name, namepad, '-' * len_value, valuepad, '-' * len_choices, choicepad, '-' * len_descr))
else:
print(' %s%s %s%s %s' % (titles['name'], namepad, titles['value'], valuepad, titles['descr']))
print(' %s%s %s%s %s' % ('-' * len_name, namepad, '-' * len_value, valuepad, '-' * len_descr))
# print values
for i in arr:
name = i['name']
descr = i['descr']
value = i['value']
choices = i['choices']
namepad = ' ' * (longest_name - len(name))
valuepad = ' ' * (longest_value - len(value))
if longest_choices:
choicespad = ' ' * (longest_choices - len(choices))
f = ' %s%s %s%s %s%s %s' % (name, namepad, value, valuepad, choices, choicespad, descr)
else:
f = ' %s%s %s%s %s' % (name, namepad, value, valuepad, descr)
print(f)
def set_options(self, options):
for o in options:
if '=' not in o:
raise ConfException('Value "%s" not of type "a=b".' % o)
(k, v) = o.split('=', 1)
if coredata.is_builtin_option(k):
self.coredata.set_builtin_option(k, v)
elif k in self.coredata.backend_options:
tgt = self.coredata.backend_options[k]
tgt.set_value(v)
elif k in self.coredata.user_options:
tgt = self.coredata.user_options[k]
tgt.set_value(v)
elif k in self.coredata.compiler_options:
tgt = self.coredata.compiler_options[k]
tgt.set_value(v)
elif k in self.coredata.base_options:
tgt = self.coredata.base_options[k]
tgt.set_value(v)
elif k.endswith('_link_args'):
lang = k[:-10]
if lang not in self.coredata.external_link_args:
raise ConfException('Unknown language %s in linkargs.' % lang)
# TODO, currently split on spaces, make it so that user
# can pass in an array string.
newvalue = v.split()
self.coredata.external_link_args[lang] = newvalue
elif k.endswith('_args'):
lang = k[:-5]
if lang not in self.coredata.external_args:
raise ConfException('Unknown language %s in compile args' % lang)
# TODO same fix as above
newvalue = v.split()
self.coredata.external_args[lang] = newvalue
else:
raise ConfException('Unknown option %s.' % k)
def print_conf(self):
print('Core properties:')
print(' Source dir', self.build.environment.source_dir)
print(' Build dir ', self.build.environment.build_dir)
print('')
print('Core options:')
carr = []
for key in ['buildtype', 'warning_level', 'werror', 'strip', 'unity', 'default_library']:
carr.append({'name': key,
'descr': coredata.get_builtin_option_description(key),
'value': self.coredata.get_builtin_option(key),
'choices': coredata.get_builtin_option_choices(key)})
self.print_aligned(carr)
print('')
bekeys = sorted(self.coredata.backend_options.keys())
if not bekeys:
print(' No backend options\n')
else:
bearr = []
for k in bekeys:
o = self.coredata.backend_options[k]
bearr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
self.print_aligned(bearr)
print('')
print('Base options:')
okeys = sorted(self.coredata.base_options.keys())
if not okeys:
print(' No base options\n')
else:
coarr = []
for k in okeys:
o = self.coredata.base_options[k]
coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': o.choices})
self.print_aligned(coarr)
print('')
print('Compiler arguments:')
for (lang, args) in self.coredata.external_args.items():
print(' ' + lang + '_args', str(args))
print('')
print('Linker args:')
for (lang, args) in self.coredata.external_link_args.items():
print(' ' + lang + '_link_args', str(args))
print('')
print('Compiler options:')
okeys = sorted(self.coredata.compiler_options.keys())
if not okeys:
print(' No compiler options\n')
else:
coarr = []
for k in okeys:
o = self.coredata.compiler_options[k]
coarr.append({'name': k, 'descr': o.description, 'value': o.value, 'choices': ''})
self.print_aligned(coarr)
print('')
print('Directories:')
parr = []
for key in ['prefix',
'libdir',
'libexecdir',
'bindir',
'sbindir',
'includedir',
'datadir',
'mandir',
'infodir',
'localedir',
'sysconfdir',
'localstatedir',
'sharedstatedir',
]:
parr.append({'name': key,
'descr': coredata.get_builtin_option_description(key),
'value': self.coredata.get_builtin_option(key),
'choices': coredata.get_builtin_option_choices(key)})
self.print_aligned(parr)
print('')
print('Project options:')
if not self.coredata.user_options:
print(' This project does not have any options')
else:
options = self.coredata.user_options
keys = list(options.keys())
keys.sort()
optarr = []
for key in keys:
opt = options[key]
if (opt.choices is None) or (not opt.choices):
# Zero length list or string
choices = ''
else:
# A non zero length list or string, convert to string
choices = str(opt.choices)
optarr.append({'name': key,
'descr': opt.description,
'value': opt.value,
'choices': choices})
self.print_aligned(optarr)
print('')
print('Testing options:')
tarr = []
for key in ['stdsplit', 'errorlogs']:
tarr.append({'name': key,
'descr': coredata.get_builtin_option_description(key),
'value': self.coredata.get_builtin_option(key),
'choices': coredata.get_builtin_option_choices(key)})
self.print_aligned(tarr)
def run(args):
args = mesonlib.expand_arguments(args)
if not args:
args = [os.getcwd()]
options = parser.parse_args(args)
if len(options.directory) > 1:
print('%s <build directory>' % args[0])
print('If you omit the build directory, the current directory is substituted.')
return 1
if not options.directory:
builddir = os.getcwd()
else:
builddir = options.directory[0]
try:
c = Conf(builddir)
save = False
if len(options.sets) > 0:
c.set_options(options.sets)
save = True
elif options.clearcache:
c.clear_cache()
save = True
else:
c.print_conf()
if save:
c.save()
except ConfException as e:
print('Meson configurator encountered an error:\n')
print(e)
return 1
return 0
if __name__ == '__main__':
sys.exit(run(sys.argv[1:]))
|