コード例 #1
0
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
コード例 #2
0
def CHECK_BUNDLED_SYSTEM(conf,
                         libname,
                         minversion='0.0.0',
                         maxversion=None,
                         version_blacklist=[],
                         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
    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)
    for v in version_blacklist:
        version_checks += ' %s != %s' % (pkg, v)

    # 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