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
|
# Copyright 2018 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 re
import os, os.path, pathlib
import shutil
from . import ExtensionModule, ModuleReturnValue
from .. import build, dependencies, mesonlib, mlog
from ..interpreterbase import permittedKwargs
from ..interpreter import ConfigurationDataHolder
COMPATIBILITIES = ['AnyNewerVersion', 'SameMajorVersion', 'SameMinorVersion', 'ExactVersion']
# Taken from https://github.com/Kitware/CMake/blob/master/Modules/CMakePackageConfigHelpers.cmake
PACKAGE_INIT_BASE = '''
####### Expanded from \\@PACKAGE_INIT\\@ by configure_package_config_file() #######
####### Any changes to this file will be overwritten by the next CMake run ####
####### The input file was @inputFileName@ ########
get_filename_component(PACKAGE_PREFIX_DIR "${CMAKE_CURRENT_LIST_DIR}/@PACKAGE_RELATIVE_PATH@" ABSOLUTE)
'''
PACKAGE_INIT_EXT = '''
# Use original install prefix when loaded through a "/usr move"
# cross-prefix symbolic link such as /lib -> /usr/lib.
get_filename_component(_realCurr "${CMAKE_CURRENT_LIST_DIR}" REALPATH)
get_filename_component(_realOrig "@absInstallDir@" REALPATH)
if(_realCurr STREQUAL _realOrig)
set(PACKAGE_PREFIX_DIR "@installPrefix@")
endif()
unset(_realOrig)
unset(_realCurr)
'''
class CmakeModule(ExtensionModule):
cmake_detected = False
cmake_root = None
def __init__(self, interpreter):
super().__init__(interpreter)
self.snippets.add('configure_package_config_file')
def detect_voidp_size(self, compilers, env):
compiler = compilers.get('c', None)
if not compiler:
compiler = compilers.get('cpp', None)
if not compiler:
raise mesonlib.MesonException('Requires a C or C++ compiler to compute sizeof(void *).')
return compiler.sizeof('void *', '', env)
def detect_cmake(self):
if self.cmake_detected:
return True
cmakebin = dependencies.ExternalProgram('cmake', silent=False)
p, stdout, stderr = mesonlib.Popen_safe(cmakebin.get_command() + ['--system-information', '-G', 'Ninja'])[0:3]
if p.returncode != 0:
mlog.log('error retrieving cmake informations: returnCode={0} stdout={1} stderr={2}'.format(p.returncode, stdout, stderr))
return False
match = re.search('\nCMAKE_ROOT \\"([^"]+)"\n', stdout.strip())
if not match:
mlog.log('unable to determine cmake root')
return False
cmakePath = pathlib.PurePath(match.group(1))
self.cmake_root = os.path.join(*cmakePath.parts)
self.cmake_detected = True
return True
@permittedKwargs({'version', 'name', 'compatibility', 'install_dir'})
def write_basic_package_version_file(self, state, _args, kwargs):
version = kwargs.get('version', None)
if not isinstance(version, str):
raise mesonlib.MesonException('Version must be specified.')
name = kwargs.get('name', None)
if not isinstance(name, str):
raise mesonlib.MesonException('Name not specified.')
compatibility = kwargs.get('compatibility', 'AnyNewerVersion')
if not isinstance(compatibility, str):
raise mesonlib.MesonException('compatibility is not string.')
if compatibility not in COMPATIBILITIES:
raise mesonlib.MesonException('compatibility must be either AnyNewerVersion, SameMajorVersion or ExactVersion.')
if not self.detect_cmake():
raise mesonlib.MesonException('Unable to find cmake')
pkgroot = kwargs.get('install_dir', None)
if pkgroot is None:
pkgroot = os.path.join(state.environment.coredata.get_builtin_option('libdir'), 'cmake', name)
if not isinstance(pkgroot, str):
raise mesonlib.MesonException('Install_dir must be a string.')
template_file = os.path.join(self.cmake_root, 'Modules', 'BasicConfigVersion-{}.cmake.in'.format(compatibility))
if not os.path.exists(template_file):
raise mesonlib.MesonException('your cmake installation doesn\'t support the {} compatibility'.format(compatibility))
version_file = os.path.join(state.environment.scratch_dir, '{}ConfigVersion.cmake'.format(name))
conf = {
'CVF_VERSION': (version, ''),
'CMAKE_SIZEOF_VOID_P': (str(self.detect_voidp_size(state.compilers, state.environment)), '')
}
mesonlib.do_conf_file(template_file, version_file, conf, 'meson')
res = build.Data(mesonlib.File(True, state.environment.get_scratch_dir(), version_file), pkgroot)
return ModuleReturnValue(res, [res])
def create_package_file(self, infile, outfile, PACKAGE_RELATIVE_PATH, extra, confdata):
package_init = PACKAGE_INIT_BASE.replace('@PACKAGE_RELATIVE_PATH@', PACKAGE_RELATIVE_PATH)
package_init = package_init.replace('@inputFileName@', infile)
package_init += extra
try:
with open(infile, "r") as fin:
data = fin.readlines()
except Exception as e:
raise mesonlib.MesonException('Could not read input file %s: %s' % (infile, str(e)))
result = []
regex = re.compile(r'(?:\\\\)+(?=\\?@)|\\@|@([-a-zA-Z0-9_]+)@')
for line in data:
line = line.replace('@PACKAGE_INIT@', package_init)
line, _missing = mesonlib.do_replacement(regex, line, 'meson', confdata)
result.append(line)
outfile_tmp = outfile + "~"
with open(outfile_tmp, "w", encoding='utf-8') as fout:
fout.writelines(result)
shutil.copymode(infile, outfile_tmp)
mesonlib.replace_if_different(outfile, outfile_tmp)
@permittedKwargs({'input', 'name', 'install_dir', 'configuration'})
def configure_package_config_file(self, interpreter, state, args, kwargs):
if args:
raise mesonlib.MesonException('configure_package_config_file takes only keyword arguments.')
if 'input' not in kwargs:
raise mesonlib.MesonException('configure_package_config_file requires "input" keyword.')
inputfile = kwargs['input']
if isinstance(inputfile, list):
if len(inputfile) != 1:
m = "Keyword argument 'input' requires exactly one file"
raise mesonlib.MesonException(m)
inputfile = inputfile[0]
if not isinstance(inputfile, (str, mesonlib.File)):
raise mesonlib.MesonException("input must be a string or a file")
if isinstance(inputfile, str):
inputfile = mesonlib.File.from_source_file(state.environment.source_dir, state.subdir, inputfile)
ifile_abs = inputfile.absolute_path(state.environment.source_dir, state.environment.build_dir)
if 'name' not in kwargs:
raise mesonlib.MesonException('"name" not specified.')
name = kwargs['name']
(ofile_path, ofile_fname) = os.path.split(os.path.join(state.subdir, '{}Config.cmake'.format(name)))
ofile_abs = os.path.join(state.environment.build_dir, ofile_path, ofile_fname)
if 'install_dir' not in kwargs:
install_dir = os.path.join(state.environment.coredata.get_builtin_option('libdir'), 'cmake', name)
if not isinstance(install_dir, str):
raise mesonlib.MesonException('"install_dir" must be a string.')
if 'configuration' not in kwargs:
raise mesonlib.MesonException('"configuration" not specified.')
conf = kwargs['configuration']
if not isinstance(conf, ConfigurationDataHolder):
raise mesonlib.MesonException('Argument "configuration" is not of type configuration_data')
prefix = state.environment.coredata.get_builtin_option('prefix')
abs_install_dir = install_dir
if not os.path.isabs(abs_install_dir):
abs_install_dir = os.path.join(prefix, install_dir)
PACKAGE_RELATIVE_PATH = os.path.relpath(prefix, abs_install_dir)
extra = ''
if re.match('^(/usr)?/lib(64)?/.+', abs_install_dir):
extra = PACKAGE_INIT_EXT.replace('@absInstallDir@', abs_install_dir)
extra = extra.replace('@installPrefix@', prefix)
self.create_package_file(ifile_abs, ofile_abs, PACKAGE_RELATIVE_PATH, extra, conf.held_object)
conf.mark_used()
conffile = os.path.normpath(inputfile.relative_name())
if conffile not in interpreter.build_def_files:
interpreter.build_def_files.append(conffile)
res = build.Data(mesonlib.File(True, ofile_path, ofile_fname), install_dir)
interpreter.build.data.append(res)
return res
def initialize(*args, **kwargs):
return CmakeModule(*args, **kwargs)
|
