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
, noextenion
=''):
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'] = noextenion
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
)
77 def CHECK_BUNDLED_SYSTEM(conf
, libname
, minversion
='0.0.0',
78 checkfunctions
=None, headers
=None,
79 onlyif
=None, implied_deps
=None,
80 require_headers
=True):
81 '''check if a library is available as a system library.
82 this first tries via pkg-config, then if that fails
83 tries by testing for a specified function in the specified lib
85 if 'ALL' in conf
.env
.BUNDLED_LIBS
or libname
in conf
.env
.BUNDLED_LIBS
:
87 found
= 'FOUND_SYSTEMLIB_%s' % libname
89 return conf
.env
[found
]
91 # see if the library should only use a system version if another dependent
92 # system version is found. That prevents possible use of mixed library
95 for syslib
in TO_LIST(onlyif
):
96 f
= 'FOUND_SYSTEMLIB_%s' % syslib
98 if 'NONE' in conf
.env
.BUNDLED_LIBS
or '!'+libname
in conf
.env
.BUNDLED_LIBS
:
99 Logs
.error('ERROR: Use of system library %s depends on missing system library %s' % (libname
, syslib
))
101 conf
.env
[found
] = False
104 minversion
= minimum_library_version(conf
, libname
, minversion
)
106 # try pkgconfig first
107 if conf
.check_cfg(package
=libname
,
108 args
='"%s >= %s" --cflags --libs' % (libname
, minversion
),
109 msg
='Checking for system %s >= %s' % (libname
, minversion
)):
110 conf
.SET_TARGET_TYPE(libname
, 'SYSLIB')
111 conf
.env
[found
] = True
113 conf
.SET_SYSLIB_DEPS(libname
, implied_deps
)
115 if checkfunctions
is not None:
117 if require_headers
and headers
and not conf
.CHECK_HEADERS(headers
):
119 if headers_ok
and conf
.CHECK_FUNCS_IN(checkfunctions
, libname
, headers
=headers
, empty_decl
=False):
120 conf
.env
[found
] = True
122 conf
.SET_SYSLIB_DEPS(libname
, implied_deps
)
124 conf
.env
[found
] = False
125 if 'NONE' in conf
.env
.BUNDLED_LIBS
or '!'+libname
in conf
.env
.BUNDLED_LIBS
:
126 Logs
.error('ERROR: System library %s of version %s not found, and bundling disabled' % (libname
, minversion
))