1 # functions to support bundled libraries
3 from Configure
import conf
5 from samba_utils
import *
7 def PRIVATE_NAME(bld
, name
, private_extension
, private_library
):
8 '''possibly rename a library to include a bundled extension'''
10 # we now use the same private name for libraries as the public name.
11 # see http://git.samba.org/?p=tridge/junkcode.git;a=tree;f=shlib for a
12 # demonstration that this is the right thing to do
13 # also see http://lists.samba.org/archive/samba-technical/2011-January/075816.html
17 def target_in_list(target
, lst
, default
):
30 def BUILTIN_LIBRARY(bld
, name
):
31 '''return True if a library should be builtin
32 instead of being built as a shared lib'''
33 if bld
.env
.DISABLE_SHARED
:
35 return target_in_list(name
, bld
.env
.BUILTIN_LIBRARIES
, False)
36 Build
.BuildContext
.BUILTIN_LIBRARY
= BUILTIN_LIBRARY
39 def BUILTIN_DEFAULT(opt
, builtins
):
40 '''set a comma separated default list of builtin libraries for this package'''
41 if 'BUILTIN_LIBRARIES_DEFAULT' in Options
.options
:
43 Options
.options
['BUILTIN_LIBRARIES_DEFAULT'] = builtins
44 Options
.Handler
.BUILTIN_DEFAULT
= BUILTIN_DEFAULT
47 def PRIVATE_EXTENSION_DEFAULT(opt
, extension
, noextension
=''):
48 '''set a default private library extension'''
49 if 'PRIVATE_EXTENSION_DEFAULT' in Options
.options
:
51 Options
.options
['PRIVATE_EXTENSION_DEFAULT'] = extension
52 Options
.options
['PRIVATE_EXTENSION_EXCEPTION'] = noextension
53 Options
.Handler
.PRIVATE_EXTENSION_DEFAULT
= PRIVATE_EXTENSION_DEFAULT
56 def minimum_library_version(conf
, libname
, default
):
57 '''allow override of mininum system library version'''
59 minlist
= Options
.options
.MINIMUM_LIBRARY_VERSION
63 for m
in minlist
.split(','):
66 Logs
.error("Bad syntax for --minimum-library-version of %s" % m
)
74 def LIB_MAY_BE_BUNDLED(conf
, libname
):
75 return ('NONE' not in conf
.env
.BUNDLED_LIBS
and
76 '!%s' % libname
not in conf
.env
.BUNDLED_LIBS
)
80 def LIB_MUST_BE_BUNDLED(conf
, libname
):
81 return ('ALL' in conf
.env
.BUNDLED_LIBS
or
82 libname
in conf
.env
.BUNDLED_LIBS
)
87 def CHECK_BUNDLED_SYSTEM(conf
, libname
, minversion
='0.0.0',
88 checkfunctions
=None, headers
=None,
89 onlyif
=None, implied_deps
=None,
90 require_headers
=True):
91 '''check if a library is available as a system library.
92 this first tries via pkg-config, then if that fails
93 tries by testing for a specified function in the specified lib
95 if conf
.LIB_MUST_BE_BUNDLED(libname
):
97 found
= 'FOUND_SYSTEMLIB_%s' % libname
99 return conf
.env
[found
]
101 def check_functions_headers():
102 '''helper function for CHECK_BUNDLED_SYSTEM'''
103 if checkfunctions
is None:
105 if require_headers
and headers
and not conf
.CHECK_HEADERS(headers
, lib
=libname
):
107 return conf
.CHECK_FUNCS_IN(checkfunctions
, libname
, headers
=headers
,
108 empty_decl
=False, set_target
=False)
110 # see if the library should only use a system version if another dependent
111 # system version is found. That prevents possible use of mixed library
114 for syslib
in TO_LIST(onlyif
):
115 f
= 'FOUND_SYSTEMLIB_%s' % syslib
116 if not f
in conf
.env
:
117 if not conf
.LIB_MAY_BE_BUNDLED(libname
):
118 Logs
.error('ERROR: Use of system library %s depends on missing system library %s' % (libname
, syslib
))
120 conf
.env
[found
] = False
123 minversion
= minimum_library_version(conf
, libname
, minversion
)
125 # try pkgconfig first
126 if (conf
.check_cfg(package
=libname
,
127 args
='"%s >= %s" --cflags --libs' % (libname
, minversion
),
128 msg
='Checking for system %s >= %s' % (libname
, minversion
)) and
129 check_functions_headers()):
130 conf
.SET_TARGET_TYPE(libname
, 'SYSLIB')
131 conf
.env
[found
] = True
133 conf
.SET_SYSLIB_DEPS(libname
, implied_deps
)
135 if checkfunctions
is not None:
136 if check_functions_headers():
137 conf
.env
[found
] = True
139 conf
.SET_SYSLIB_DEPS(libname
, implied_deps
)
140 conf
.SET_TARGET_TYPE(libname
, 'SYSLIB')
142 conf
.env
[found
] = False
143 if not conf
.LIB_MAY_BE_BUNDLED(libname
):
144 Logs
.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname
, minversion
))
151 def CHECK_BUNDLED_SYSTEM_PYTHON(conf
, libname
, modulename
, minversion
='0.0.0'):
152 '''check if a python module is available on the system and
153 has the specified minimum version.
155 if conf
.LIB_MUST_BE_BUNDLED(libname
):
158 # see if the library should only use a system version if another dependent
159 # system version is found. That prevents possible use of mixed library
161 minversion
= minimum_library_version(conf
, libname
, minversion
)
164 m
= __import__(modulename
)
169 version
= m
.__version
__
170 except AttributeError:
173 found
= tuple(version
.split(".")) >= tuple(minversion
.split("."))
174 if not found
and not conf
.LIB_MAY_BE_BUNDLED(libname
):
175 Logs
.error('ERROR: Python module %s of version %s not found, and bundling disabled' % (libname
, minversion
))
180 def NONSHARED_BINARY(bld
, name
):
181 '''return True if a binary should be built without non-system shared libs'''
182 if bld
.env
.DISABLE_SHARED
:
184 return target_in_list(name
, bld
.env
.NONSHARED_BINARIES
, False)
185 Build
.BuildContext
.NONSHARED_BINARY
= NONSHARED_BINARY