# functions to support bundled libraries
from Configure import conf
+import sys, Logs
from samba_utils import *
-def BUNDLED_NAME(bld, name, bundled_extension):
+def PRIVATE_NAME(bld, name, private_extension, private_library):
'''possibly rename a library to include a bundled extension'''
- if bld.env.DISABLE_SHARED or not bundled_extension:
+
+ if not private_library:
return name
- if name in bld.env.BUNDLED_EXTENSION_EXCEPTION:
+
+ # 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
+ if private_extension:
return name
- extension = getattr(bld.env, 'BUNDLED_EXTENSION', '')
- if extension:
- return name + '-' + extension
- return name
+
+ extension = bld.env.PRIVATE_EXTENSION
+
+ if extension and name.startswith('%s' % extension):
+ return name
+
+ if extension and name.endswith('%s' % extension):
+ return name
+
+ return "%s-%s" % (name, extension)
+
+
+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
- if name in bld.env.BUILTIN_LIBRARIES:
- return True
- return False
+ return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False)
+Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY
def BUILTIN_DEFAULT(opt, builtins):
Options.Handler.BUILTIN_DEFAULT = BUILTIN_DEFAULT
-def BUNDLED_EXTENSION_DEFAULT(opt, extension, noextenion=''):
- '''set a default bundled library extension'''
- if 'BUNDLED_EXTENSION_DEFAULT' in Options.options:
+def PRIVATE_EXTENSION_DEFAULT(opt, extension, noextension=''):
+ '''set a default private library extension'''
+ if 'PRIVATE_EXTENSION_DEFAULT' in Options.options:
return
- Options.options['BUNDLED_EXTENSION_DEFAULT'] = extension
- Options.options['BUNDLED_EXTENSION_EXCEPTION'] = noextenion
-Options.Handler.BUNDLED_EXTENSION_DEFAULT = BUNDLED_EXTENSION_DEFAULT
+ 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):
+ if libname in conf.env.BUNDLED_LIBS:
+ return True
+ if '!%s' % libname in conf.env.BUNDLED_LIBS:
+ return False
+ if 'NONE' in conf.env.BUNDLED_LIBS:
+ return False
+ return True
+
+@conf
+def LIB_MUST_BE_BUNDLED(conf, libname):
+ if libname in conf.env.BUNDLED_LIBS:
+ return True
+ if '!%s' % libname in conf.env.BUNDLED_LIBS:
+ return False
+ if 'ALL' in conf.env.BUNDLED_LIBS:
+ return True
+ return False
+
+@conf
+def LIB_MUST_BE_PRIVATE(conf, libname):
+ return ('ALL' in conf.env.PRIVATE_LIBS or
+ libname in conf.env.PRIVATE_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 missing
+@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
+ '''
+ return conf.CHECK_BUNDLED_SYSTEM(libname,
+ minversion=minversion,
+ onlyif=onlyif,
+ implied_deps=implied_deps,
+ pkg=pkg)
+
@runonce
@conf
def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0',
- checkfunctions=None, headers=None,
- onlyif=None, implied_deps=None):
+ checkfunctions=None, headers=None, checkcode=None,
+ onlyif=None, implied_deps=None,
+ require_headers=True, pkg=None, set_target=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 'ALL' in conf.env.BUNDLED_LIBS or libname in conf.env.BUNDLED_LIBS:
+ 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_code():
+ '''helper function for CHECK_BUNDLED_SYSTEM'''
+ if require_headers and headers and not conf.CHECK_HEADERS(headers, lib=libname):
+ return False
+ if checkfunctions is not None:
+ ok = conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers,
+ empty_decl=False, set_target=False)
+ if not ok:
+ return False
+ if checkcode is not None:
+ define='CHECK_BUNDLED_SYSTEM_%s' % libname.upper()
+ ok = conf.CHECK_CODE(checkcode, lib=libname,
+ headers=headers, local_include=False,
+ msg=msg, define=define)
+ conf.CONFIG_RESET(define)
+ if not ok:
+ return False
+ return True
+
+
# 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:
- for syslib in TO_LIST(onlyif):
- f = 'FOUND_SYSTEM_%s' % syslib
- if not f in conf.env:
- if 'NONE' in conf.env.BUNDLED_LIBS or '!'+libname in conf.env.BUNDLED_LIBS:
- print('ERROR: Use of system library %s depends on missing system library %s' % (libname, syslib))
- sys.exit(1)
- conf.env[found] = False
- return False
+ 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
+
+ uselib_store=libname.upper()
+ if pkg is None:
+ pkg = libname
# try pkgconfig first
- if conf.check_cfg(package=libname,
- args='"%s >= %s" --cflags --libs' % (libname, minversion),
- msg='Checking for system %s >= %s' % (libname, minversion)):
- conf.SET_TARGET_TYPE(libname, 'SYSLIB')
+ if (conf.check_cfg(package=pkg,
+ args='"%s >= %s" --cflags --libs' % (pkg, minversion),
+ msg=msg, uselib_store=uselib_store) and
+ check_functions_headers_code()):
+ if set_target:
+ 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 conf.CHECK_FUNCS_IN(checkfunctions, libname, headers=headers, empty_decl=False):
+ if check_functions_headers_code():
conf.env[found] = True
if implied_deps:
conf.SET_SYSLIB_DEPS(libname, implied_deps)
+ if set_target:
+ conf.SET_TARGET_TYPE(libname, 'SYSLIB')
return True
conf.env[found] = False
- if 'NONE' in conf.env.BUNDLED_LIBS or '!'+libname in conf.env.BUNDLED_LIBS:
- print('ERROR: System library %s of version %s not found, and bundling disabled' % (libname, minversion))
+ 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
+
+
+def tuplize_version(version):
+ return tuple([int(x) for x in version.split(".")])
+
+@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 = tuplize_version(version) >= tuplize_version(minversion)
+ 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'''
+ return target_in_list(name, bld.env.NONSHARED_BINARIES, False)
+Build.BuildContext.NONSHARED_BINARY = NONSHARED_BINARY
+
+
git.samba.org / obnox / samba / samba-obnox.git / blobdiff