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
|
# functions to support bundled libraries
from Configure import conf
import sys, Logs
from samba_utils import *
def PRIVATE_NAME(bld, name, private_extension, private_library):
'''possibly rename a library to include a bundled extension'''
# we now use the same private name for libraries as the public name.
# see http://git.samba.org/?p=tridge/junkcode.git;a=tree;f=shlib for a
# demonstration that this is the right thing to do
# also see http://lists.samba.org/archive/samba-technical/2011-January/075816.html
return name
def target_in_list(target, lst, default):
for l in lst:
if target == l:
return True
if '!' + target == l:
return False
if l == 'ALL':
return True
if l == 'NONE':
return False
return default
def BUILTIN_LIBRARY(bld, name):
'''return True if a library should be builtin
instead of being built as a shared lib'''
if bld.env.DISABLE_SHARED:
return True
return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False)
Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY
def BUILTIN_DEFAULT(opt, builtins):
'''set a comma separated default list of builtin libraries for this package'''
if 'BUILTIN_LIBRARIES_DEFAULT' in Options.options:
return
Options.options['BUILTIN_LIBRARIES_DEFAULT'] = builtins
Options.Handler.BUILTIN_DEFAULT = BUILTIN_DEFAULT
def PRIVATE_EXTENSION_DEFAULT(opt, extension, noextension=''):
'''set a default private library extension'''
if 'PRIVATE_EXTENSION_DEFAULT' in Options.options:
return
Options.options['PRIVATE_EXTENSION_DEFAULT'] = extension
Options.options['PRIVATE_EXTENSION_EXCEPTION'] = noextension
Options.Handler.PRIVATE_EXTENSION_DEFAULT = PRIVATE_EXTENSION_DEFAULT
def minimum_library_version(conf, libname, default):
'''allow override of mininum system library version'''
minlist = Options.options.MINIMUM_LIBRARY_VERSION
if not minlist:
return default
for m in minlist.split(','):
a = m.split(':')
if len(a) != 2:
Logs.error("Bad syntax for --minimum-library-version of %s" % m)
sys.exit(1)
if a[0] == libname:
return a[1]
return default
@conf
def LIB_MAY_BE_BUNDLED(conf, libname):
return ('NONE' not in conf.env.BUNDLED_LIBS and
'!%s' % libname not in conf.env.BUNDLED_LIBS)
@conf
def LIB_MUST_BE_BUNDLED(conf, libname):
return ('ALL' in conf.env.BUNDLED_LIBS or
libname in conf.env.BUNDLED_LIBS)
@conf
def CHECK_PREREQUISITES(conf, prereqs):
missing = []
for syslib in TO_LIST(prereqs):
f = 'FOUND_SYSTEMLIB_%s' % syslib
if not f in conf.env:
missing.append(syslib)
return syslib
@runonce
@conf
def CHECK_BUNDLED_SYSTEM_PKG(conf, libname, minversion='0.0.0',
onlyif=None, implied_deps=None, pkg=None):
'''check if a library is available as a system library.
This only tries using pkg-config
'''
if conf.LIB_MUST_BE_BUNDLED(libname):
return False
found = 'FOUND_SYSTEMLIB_%s' % libname
if found in conf.env:
return conf.env[found]
# see if the library should only use a system version if another dependent
# system version is found. That prevents possible use of mixed library
# versions
if onlyif:
missing = conf.CHECK_PREREQUISITES(onlyif)
if missing:
if not conf.LIB_MAY_BE_BUNDLED(libname):
Logs.error('ERROR: Use of system library %s depends on missing system library/libraries %r' % (libname, missing))
sys.exit(1)
conf.env[found] = False
return False
minversion = minimum_library_version(conf, libname, minversion)
msg = 'Checking for system %s' % libname
if minversion != '0.0.0':
msg += ' >= %s' % minversion
if pkg is None:
pkg = libname
if conf.check_cfg(package=pkg,
args='"%s >= %s" --cflags --libs' % (pkg, minversion),
msg=msg, uselib_store=libname.upper()):
conf.SET_TARGET_TYPE(libname, 'SYSLIB')
conf.env[found] = True
if implied_deps:
conf.SET_SYSLIB_DEPS(libname, implied_deps)
return True
conf.env[found] = False
if not conf.LIB_MAY_BE_BUNDLED(libname):
Logs.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
sys.exit(1)
return False
@runonce
@conf
def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0',
checkfunctions=None, headers=None,
onlyif=None, implied_deps=None,
require_headers=True):
'''check if a library is available as a system library.
this first tries via pkg-config, then if that fails
tries by testing for a specified function in the specified lib
'''
if conf.LIB_MUST_BE_BUNDLED(libname):
return False
found = 'FOUND_SYSTEMLIB_%s' % libname
if found in conf.env:
return conf.env[found]
def check_functions_headers():
'''helper function for CHECK_BUNDLED_SYSTEM'''
if checkfunctions is None:
return True
if require_headers and headers and not conf.CHECK_HEADERS(headers, lib=libname):
return False
return conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers,
empty_decl=False, set_target=False)
# see if the library should only use a system version if another dependent
# system version is found. That prevents possible use of mixed library
# versions
if onlyif:
missing = conf.CHECK_PREREQUISITES(onlyif)
if missing:
if not conf.LIB_MAY_BE_BUNDLED(libname):
Logs.error('ERROR: Use of system library %s depends on missing system library/libraries %r' % (libname, missing))
sys.exit(1)
conf.env[found] = False
return False
minversion = minimum_library_version(conf, libname, minversion)
msg = 'Checking for system %s' % libname
if minversion != '0.0.0':
msg += ' >= %s' % minversion
# try pkgconfig first
if (conf.check_cfg(package=libname,
args='"%s >= %s" --cflags --libs' % (libname, minversion),
msg=msg) and
check_functions_headers()):
conf.SET_TARGET_TYPE(libname, 'SYSLIB')
conf.env[found] = True
if implied_deps:
conf.SET_SYSLIB_DEPS(libname, implied_deps)
return True
if checkfunctions is not None:
if check_functions_headers():
conf.env[found] = True
if implied_deps:
conf.SET_SYSLIB_DEPS(libname, implied_deps)
conf.SET_TARGET_TYPE(libname, 'SYSLIB')
return True
conf.env[found] = False
if not conf.LIB_MAY_BE_BUNDLED(libname):
Logs.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
sys.exit(1)
return False
@runonce
@conf
def CHECK_BUNDLED_SYSTEM_PYTHON(conf, libname, modulename, minversion='0.0.0'):
'''check if a python module is available on the system and
has the specified minimum version.
'''
if conf.LIB_MUST_BE_BUNDLED(libname):
return False
# see if the library should only use a system version if another dependent
# system version is found. That prevents possible use of mixed library
# versions
minversion = minimum_library_version(conf, libname, minversion)
try:
m = __import__(modulename)
except ImportError:
found = False
else:
try:
version = m.__version__
except AttributeError:
found = False
else:
found = tuple(version.split(".")) >= tuple(minversion.split("."))
if not found and not conf.LIB_MAY_BE_BUNDLED(libname):
Logs.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname, minversion))
sys.exit(1)
return found
def NONSHARED_BINARY(bld, name):
'''return True if a binary should be built without non-system shared libs'''
if bld.env.DISABLE_SHARED:
return True
return target_in_list(name, bld.env.NONSHARED_BINARIES, False)
Build.BuildContext.NONSHARED_BINARY = NONSHARED_BINARY
|
