1 # functions to support bundled libraries
3 from Configure import conf
5 from samba_utils import *
7 def BUNDLED_NAME(bld, name, bundled_extension):
8 '''possibly rename a library to include a bundled extension'''
9 if bld.env.DISABLE_SHARED or not bundled_extension:
11 if name in bld.env.BUNDLED_EXTENSION_EXCEPTION:
13 extension = getattr(bld.env, 'BUNDLED_EXTENSION', '')
15 return name + '-' + extension
19 def target_in_list(target, lst, default):
32 def BUILTIN_LIBRARY(bld, name):
33 '''return True if a library should be builtin
34 instead of being built as a shared lib'''
35 if bld.env.DISABLE_SHARED:
37 return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False)
38 Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY
41 def BUILTIN_DEFAULT(opt, builtins):
42 '''set a comma separated default list of builtin libraries for this package'''
43 if 'BUILTIN_LIBRARIES_DEFAULT' in Options.options:
45 Options.options['BUILTIN_LIBRARIES_DEFAULT'] = builtins
46 Options.Handler.BUILTIN_DEFAULT = BUILTIN_DEFAULT
49 def BUNDLED_EXTENSION_DEFAULT(opt, extension, noextension=''):
50 '''set a default bundled library extension'''
51 if 'BUNDLED_EXTENSION_DEFAULT' in Options.options:
53 Options.options['BUNDLED_EXTENSION_DEFAULT'] = extension
54 Options.options['BUNDLED_EXTENSION_EXCEPTION'] = noextension
55 Options.Handler.BUNDLED_EXTENSION_DEFAULT = BUNDLED_EXTENSION_DEFAULT
58 def minimum_library_version(conf, libname, default):
59 '''allow override of mininum system library version'''
61 minlist = Options.options.MINIMUM_LIBRARY_VERSION
65 for m in minlist.split(','):
68 Logs.error("Bad syntax for --minimum-library-version of %s" % m)
76 def LIB_MAY_BE_BUNDLED(conf, libname):
77 return ('NONE' not in conf.env.BUNDLED_LIBS and
78 '!%s' % libname not in conf.env.BUNDLED_LIBS)
82 def LIB_MUST_BE_BUNDLED(conf, libname):
83 return ('ALL' in conf.env.BUNDLED_LIBS or
84 libname in conf.env.BUNDLED_LIBS)
89 def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0',
90 checkfunctions=None, headers=None,
91 onlyif=None, implied_deps=None,
92 require_headers=True):
93 '''check if a library is available as a system library.
94 this first tries via pkg-config, then if that fails
95 tries by testing for a specified function in the specified lib
97 if conf.LIB_MUST_BE_BUNDLED(libname):
99 found = 'FOUND_SYSTEMLIB_%s' % libname
100 if found in conf.env:
101 return conf.env[found]
103 # see if the library should only use a system version if another dependent
104 # system version is found. That prevents possible use of mixed library
107 for syslib in TO_LIST(onlyif):
108 f = 'FOUND_SYSTEMLIB_%s' % syslib
109 if not f in conf.env:
110 if not conf.LIB_MAY_BE_BUNDLED(libname):
111 Logs.error('ERROR: Use of system library %s depends on missing system library %s' % (libname, syslib))
113 conf.env[found] = False
116 minversion = minimum_library_version(conf, libname, minversion)
118 # try pkgconfig first
119 if conf.check_cfg(package=libname,
120 args='"%s >= %s" --cflags --libs' % (libname, minversion),
121 msg='Checking for system %s >= %s' % (libname, minversion)):
122 conf.SET_TARGET_TYPE(libname, 'SYSLIB')
123 conf.env[found] = True
125 conf.SET_SYSLIB_DEPS(libname, implied_deps)
127 if checkfunctions is not None:
129 if require_headers and headers and not conf.CHECK_HEADERS(headers):
131 if headers_ok and conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers, empty_decl=False):
132 conf.env[found] = True
134 conf.SET_SYSLIB_DEPS(libname, implied_deps)
136 conf.env[found] = False
137 if not conf.LIB_MAY_BE_BUNDLED(libname):
138 Logs.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
145 def CHECK_BUNDLED_SYSTEM_PYTHON(conf, libname, modulename, minversion='0.0.0'):
146 '''check if a python module is available on the system and
147 has the specified minimum version.
149 if conf.LIB_MUST_BE_BUNDLED(libname):
152 # see if the library should only use a system version if another dependent
153 # system version is found. That prevents possible use of mixed library
155 minversion = minimum_library_version(conf, libname, minversion)
158 m = __import__(modulename)
163 version = m.__version__
164 except AttributeError:
167 found = tuple(minversion.split(".")) >= tuple(version.split("."))
168 if not found and not conf.LIB_MAY_BE_BUNDLED(libname):
169 Logs.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname, minversion))
174 def NONSHARED_BINARY(bld, name):
175 '''return True if a binary should be built without non-system shared libs'''
176 if bld.env.DISABLE_SHARED:
178 return target_in_list(name, bld.env.NONSHARED_BINARIES, False)
179 Build.BuildContext.NONSHARED_BINARY = NONSHARED_BINARY