1 # functions to support bundled libraries
4 from waflib import Build, Options, Logs
5 from waflib.Configure import conf
6 from wafsamba import samba_utils
8 def PRIVATE_NAME(bld, name):
9 '''possibly rename a library to include a bundled extension'''
11 extension = bld.env.PRIVATE_EXTENSION
13 if name in bld.env.PRIVATE_EXTENSION_EXCEPTION:
16 if extension and name.startswith('%s' % extension):
19 if extension and name.endswith('%s' % extension):
22 return "%s-%s" % (name, extension)
25 def target_in_list(target, lst, default):
38 def BUILTIN_LIBRARY(bld, name):
39 '''return True if a library should be builtin
40 instead of being built as a shared lib'''
41 return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False)
42 Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY
45 def BUILTIN_DEFAULT(opt, builtins):
46 '''set a comma separated default list of builtin libraries for this package'''
47 if 'BUILTIN_LIBRARIES_DEFAULT' in Options.options.__dict__:
49 Options.options.__dict__['BUILTIN_LIBRARIES_DEFAULT'] = builtins
50 Options.OptionsContext.BUILTIN_DEFAULT = BUILTIN_DEFAULT
53 def PRIVATE_EXTENSION_DEFAULT(opt, extension, noextension=''):
54 '''set a default private library extension'''
55 if 'PRIVATE_EXTENSION_DEFAULT' in Options.options.__dict__:
57 Options.options.__dict__['PRIVATE_EXTENSION_DEFAULT'] = extension
58 Options.options.__dict__['PRIVATE_EXTENSION_EXCEPTION'] = noextension
59 Options.OptionsContext.PRIVATE_EXTENSION_DEFAULT = PRIVATE_EXTENSION_DEFAULT
62 def minimum_library_version(conf, libname, default):
63 '''allow override of minimum system library version'''
65 minlist = Options.options.MINIMUM_LIBRARY_VERSION
69 for m in minlist.split(','):
72 Logs.error("Bad syntax for --minimum-library-version of %s" % m)
80 def LIB_MAY_BE_BUNDLED(conf, libname):
81 if libname in conf.env.SYSTEM_LIBS:
83 if libname in conf.env.BUNDLED_LIBS:
85 if '!%s' % libname in conf.env.BUNDLED_LIBS:
87 if 'NONE' in conf.env.BUNDLED_LIBS:
91 def __LIB_MUST_BE(liblist_in, defaults, libname):
93 for lib in liblist_in:
99 if libname in liblist:
101 if '!%s' % libname in liblist:
108 def LIB_MUST_BE_BUNDLED(conf, libname):
109 return __LIB_MUST_BE(conf.env.BUNDLED_LIBS, [], libname)
112 def LIB_MUST_BE_PRIVATE(conf, libname):
113 return __LIB_MUST_BE(conf.env.PRIVATE_LIBS, conf.env.DEFAULT_PRIVATE_LIBS, libname)
116 def CHECK_BUNDLED_SYSTEM_PKG(conf, libname, minversion='0.0.0',
117 maxversion=None, version_blacklist=None,
118 onlyif=None, implied_deps=None, pkg=None):
119 '''check if a library is available as a system library.
121 This only tries using pkg-config
123 if version_blacklist is None:
124 version_blacklist = []
125 return conf.CHECK_BUNDLED_SYSTEM(libname,
126 minversion=minversion,
127 maxversion=maxversion,
128 version_blacklist=version_blacklist,
130 implied_deps=implied_deps,
134 def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0',
135 maxversion=None, version_blacklist=None,
136 checkfunctions=None, headers=None, checkcode=None,
137 onlyif=None, implied_deps=None,
138 require_headers=True, pkg=None, set_target=True):
139 '''check if a library is available as a system library.
140 this first tries via pkg-config, then if that fails
141 tries by testing for a specified function in the specified lib
143 # We always do a logic validation of 'onlyif' first
144 if version_blacklist is None:
145 version_blacklist = []
148 for l in samba_utils.TO_LIST(onlyif):
149 f = 'FOUND_SYSTEMLIB_%s' % l
150 if not f in conf.env:
151 Logs.error('ERROR: CHECK_BUNDLED_SYSTEM(%s) - ' % (libname) +
152 'missing prerequisite check for ' +
153 'system library %s, onlyif=%r' % (l, onlyif))
157 found = 'FOUND_SYSTEMLIB_%s' % libname
158 if found in conf.env:
159 return conf.env[found]
160 if conf.LIB_MUST_BE_BUNDLED(libname):
161 conf.env[found] = False
164 # see if the library should only use a system version if another dependent
165 # system version is found. That prevents possible use of mixed library
168 if not conf.LIB_MAY_BE_BUNDLED(libname):
169 Logs.error('ERROR: Use of system library %s depends on missing system library/libraries %r' % (libname, missing))
171 conf.env[found] = False
174 def check_functions_headers_code():
175 '''helper function for CHECK_BUNDLED_SYSTEM'''
176 if require_headers and headers and not conf.CHECK_HEADERS(headers, lib=libname):
178 if checkfunctions is not None:
179 ok = conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers,
180 empty_decl=False, set_target=False)
183 if checkcode is not None:
184 define='CHECK_BUNDLED_SYSTEM_%s' % libname.upper()
185 ok = conf.CHECK_CODE(checkcode, lib=libname,
186 headers=headers, local_include=False,
187 msg=msg, define=define)
188 conf.CONFIG_RESET(define)
193 minversion = minimum_library_version(conf, libname, minversion)
195 msg = 'Checking for system %s' % libname
197 if minversion != '0.0.0':
198 msg_ver.append('>=%s' % minversion)
199 if maxversion is not None:
200 msg_ver.append('<=%s' % maxversion)
201 for v in version_blacklist:
202 msg_ver.append('!=%s' % v)
204 msg += " (%s)" % (" ".join(msg_ver))
206 uselib_store=libname.upper()
210 version_checks = '%s >= %s' % (pkg, minversion)
211 if maxversion is not None:
212 version_checks += ' %s <= %s' % (pkg, maxversion)
214 version_checks += "".join(' %s != %s' % (pkg, v) for v in version_blacklist)
216 # try pkgconfig first
217 if (conf.CHECK_CFG(package=pkg,
218 args='"%s" --cflags --libs' % (version_checks),
219 msg=msg, uselib_store=uselib_store) and
220 check_functions_headers_code()):
222 conf.SET_TARGET_TYPE(libname, 'SYSLIB')
223 conf.env[found] = True
225 conf.SET_SYSLIB_DEPS(libname, implied_deps)
227 if checkfunctions is not None:
228 if check_functions_headers_code():
229 conf.env[found] = True
231 conf.SET_SYSLIB_DEPS(libname, implied_deps)
233 conf.SET_TARGET_TYPE(libname, 'SYSLIB')
235 conf.env[found] = False
236 if not conf.LIB_MAY_BE_BUNDLED(libname):
237 Logs.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
242 def tuplize_version(version):
243 return tuple([int(x) for x in version.split(".")])
246 def CHECK_BUNDLED_SYSTEM_PYTHON(conf, libname, modulename, minversion='0.0.0'):
247 '''check if a python module is available on the system and
248 has the specified minimum version.
250 if conf.LIB_MUST_BE_BUNDLED(libname):
253 # see if the library should only use a system version if another dependent
254 # system version is found. That prevents possible use of mixed library
256 minversion = minimum_library_version(conf, libname, minversion)
259 m = __import__(modulename)
264 version = m.__version__
265 except AttributeError:
268 found = tuplize_version(version) >= tuplize_version(minversion)
269 if not found and not conf.LIB_MAY_BE_BUNDLED(libname):
270 Logs.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname, minversion))
275 def NONSHARED_BINARY(bld, name):
276 '''return True if a binary should be built without non-system shared libs'''
277 return target_in_list(name, bld.env.NONSHARED_BINARIES, False)
278 Build.BuildContext.NONSHARED_BINARY = NONSHARED_BINARY