From 8daa83a594a2e98f39d764422bfbdbc62c9efd44 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 19:20:00 +0200 Subject: Adding upstream version 2:4.20.0+dfsg. Signed-off-by: Daniel Baumann --- buildtools/wafsamba/samba_bundled.py | 273 +++++++++++++++++++++++++++++++++++ 1 file changed, 273 insertions(+) create mode 100644 buildtools/wafsamba/samba_bundled.py (limited to 'buildtools/wafsamba/samba_bundled.py') diff --git a/buildtools/wafsamba/samba_bundled.py b/buildtools/wafsamba/samba_bundled.py new file mode 100644 index 0000000..029be15 --- /dev/null +++ b/buildtools/wafsamba/samba_bundled.py @@ -0,0 +1,273 @@ +# functions to support bundled libraries + +import sys +from waflib import Build, Options, Logs +from waflib.Configure import conf +from wafsamba import samba_utils + +def PRIVATE_NAME(bld, name): + '''possibly rename a library to include a bundled extension''' + + extension = bld.env.PRIVATE_EXTENSION + + if name in bld.env.PRIVATE_EXTENSION_EXCEPTION: + return name + + 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''' + return target_in_list(name, bld.env.BUILTIN_LIBRARIES, False) +Build.BuildContext.BUILTIN_LIBRARY = BUILTIN_LIBRARY + + +def BUILTIN_DEFAULT(opt, builtins): + '''set a comma separated default list of builtin libraries for this package''' + if 'BUILTIN_LIBRARIES_DEFAULT' in Options.options.__dict__: + return + Options.options.__dict__['BUILTIN_LIBRARIES_DEFAULT'] = builtins +Options.OptionsContext.BUILTIN_DEFAULT = BUILTIN_DEFAULT + + +def PRIVATE_EXTENSION_DEFAULT(opt, extension, noextension=''): + '''set a default private library extension''' + if 'PRIVATE_EXTENSION_DEFAULT' in Options.options.__dict__: + return + Options.options.__dict__['PRIVATE_EXTENSION_DEFAULT'] = extension + Options.options.__dict__['PRIVATE_EXTENSION_EXCEPTION'] = noextension +Options.OptionsContext.PRIVATE_EXTENSION_DEFAULT = PRIVATE_EXTENSION_DEFAULT + + +def minimum_library_version(conf, libname, default): + '''allow override of minimum 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.SYSTEM_LIBS: + return False + 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 + +def __LIB_MUST_BE(liblist, libname): + if libname in liblist: + return True + if '!%s' % libname in liblist: + return False + if 'ALL' in liblist: + return True + return False + +@conf +def LIB_MUST_BE_BUNDLED(conf, libname): + return __LIB_MUST_BE(conf.env.BUNDLED_LIBS, libname) + +@conf +def LIB_MUST_BE_PRIVATE(conf, libname): + return __LIB_MUST_BE(conf.env.PRIVATE_LIBS, libname) + +@conf +def CHECK_BUNDLED_SYSTEM_PKG(conf, libname, minversion='0.0.0', + maxversion=None, version_blacklist=None, + onlyif=None, implied_deps=None, pkg=None): + '''check if a library is available as a system library. + + This only tries using pkg-config + ''' + if version_blacklist is None: + version_blacklist = [] + return conf.CHECK_BUNDLED_SYSTEM(libname, + minversion=minversion, + maxversion=maxversion, + version_blacklist=version_blacklist, + onlyif=onlyif, + implied_deps=implied_deps, + pkg=pkg) + +@conf +def CHECK_BUNDLED_SYSTEM(conf, libname, minversion='0.0.0', + maxversion=None, version_blacklist=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 + ''' + # We always do a logic validation of 'onlyif' first + if version_blacklist is None: + version_blacklist = [] + missing = [] + if onlyif: + for l in samba_utils.TO_LIST(onlyif): + f = 'FOUND_SYSTEMLIB_%s' % l + if not f in conf.env: + Logs.error('ERROR: CHECK_BUNDLED_SYSTEM(%s) - ' % (libname) + + 'missing prerequisite check for ' + + 'system library %s, onlyif=%r' % (l, onlyif)) + sys.exit(1) + if not conf.env[f]: + missing.append(l) + found = 'FOUND_SYSTEMLIB_%s' % libname + if found in conf.env: + return conf.env[found] + if conf.LIB_MUST_BE_BUNDLED(libname): + conf.env[found] = False + 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 + 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 + + 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 + + minversion = minimum_library_version(conf, libname, minversion) + + msg = 'Checking for system %s' % libname + msg_ver = [] + if minversion != '0.0.0': + msg_ver.append('>=%s' % minversion) + if maxversion is not None: + msg_ver.append('<=%s' % maxversion) + for v in version_blacklist: + msg_ver.append('!=%s' % v) + if msg_ver != []: + msg += " (%s)" % (" ".join(msg_ver)) + + uselib_store=libname.upper() + if pkg is None: + pkg = libname + + version_checks = '%s >= %s' % (pkg, minversion) + if maxversion is not None: + version_checks += ' %s <= %s' % (pkg, maxversion) + + version_checks += "".join(' %s != %s' % (pkg, v) for v in version_blacklist) + + # try pkgconfig first + if (conf.CHECK_CFG(package=pkg, + args='"%s" --cflags --libs' % (version_checks), + 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 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 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(".")]) + +@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 + + -- cgit v1.2.3