示例#1
0
def process_explicit_toolset_requests():

    extra_properties = []

    option_toolsets = [e for option in b2.util.regex.transform(sys.argv, "^--toolset=(.*)$")
                       for e in option.split(',')]
    feature_toolsets = [e for option in b2.util.regex.transform(sys.argv, "^toolset=(.*)$")
                       for e in option.split(',')]

    for t in option_toolsets + feature_toolsets:

        # Parse toolset-version/properties.
        (toolset_version, toolset, version) = re.match("(([^-/]+)-?([^/]+)?)/?.*", t).groups()

        if debug_config:
            print "notice: [cmdline-cfg] Detected command-line request for '%s': toolset= %s version=%s" \
            % (toolset_version, toolset, version)

        # If the toolset is not known, configure it now.
        known = False
        if toolset in feature.values("toolset"):
            known = True

        if known and version and not feature.is_subvalue("toolset", toolset, "version", version):
            known = False
        # TODO: we should do 'using $(toolset)' in case no version has been
        # specified and there are no versions defined for the given toolset to
        # allow the toolset to configure its default version. For this we need
        # to know how to detect whether a given toolset has any versions
        # defined. An alternative would be to do this whenever version is not
        # specified but that would require that toolsets correctly handle the
        # case when their default version is configured multiple times which
        # should be checked for all existing toolsets first.

        if not known:

            if debug_config:
                print "notice: [cmdline-cfg] toolset '%s' not previously configured; attempting to auto-configure now" % toolset_version
            if version is not None:
               using(toolset, version)
            else:
               using(toolset)

        else:

            if debug_config:

                print "notice: [cmdline-cfg] toolset '%s' already configured" % toolset_version

        # Make sure we get an appropriate property into the build request in
        # case toolset has been specified using the "--toolset=..." command-line
        # option form.
        if not t in sys.argv and not t in feature_toolsets:

            if debug_config:
                print "notice: [cmdline-cfg] adding toolset=%s) to the build request." % t ;
            extra_properties += "toolset=%s" % t

    return extra_properties
示例#2
0
def process_explicit_toolset_requests():

    extra_properties = []

    option_toolsets = [e for option in b2.util.regex.transform(sys.argv, "^--toolset=(.*)$")
                       for e in option.split(',')]
    feature_toolsets = [e for option in b2.util.regex.transform(sys.argv, "^toolset=(.*)$")
                       for e in option.split(',')]

    for t in option_toolsets + feature_toolsets:

        # Parse toolset-version/properties.
        (toolset_version, toolset, version) = re.match("(([^-/]+)-?([^/]+)?)/?.*", t).groups()

        if debug_config:
            print "notice: [cmdline-cfg] Detected command-line request for '%s': toolset= %s version=%s" \
            % (toolset_version, toolset, version)

        # If the toolset is not known, configure it now.
        known = False
        if toolset in feature.values("toolset"):
            known = True

        if known and version and not feature.is_subvalue("toolset", toolset, "version", version):
            known = False
        # TODO: we should do 'using $(toolset)' in case no version has been
        # specified and there are no versions defined for the given toolset to
        # allow the toolset to configure its default version. For this we need
        # to know how to detect whether a given toolset has any versions
        # defined. An alternative would be to do this whenever version is not
        # specified but that would require that toolsets correctly handle the
        # case when their default version is configured multiple times which
        # should be checked for all existing toolsets first.

        if not known:

            if debug_config:
                print "notice: [cmdline-cfg] toolset '%s' not previously configured; attempting to auto-configure now" % toolset_version
            if version is not None:
               using(toolset, version)
            else:
               using(toolset)

        else:

            if debug_config:

                print "notice: [cmdline-cfg] toolset '%s' already configured" % toolset_version

        # Make sure we get an appropriate property into the build request in
        # case toolset has been specified using the "--toolset=..." command-line
        # option form.
        if not t in sys.argv and not t in feature_toolsets:

            if debug_config:
                print "notice: [cmdline-cfg] adding toolset=%s) to the build request." % t ;
            extra_properties += "toolset=%s" % t

    return extra_properties
示例#3
0
def main_real():
    global debug_config, out_xml

    debug_config = "--debug-configuration" in sys.argv
    out_xml = any(re.match("^--out-xml=(.*)$", a) for a in sys.argv)

    engine = Engine()

    global_build_dir = option.get("build-dir")
    manager = Manager(engine, global_build_dir)

    import b2.build.configure as configure

    if "--version" in sys.argv:
        version.report()
        return

    # This module defines types and generator and what not,
    # and depends on manager's existence
    import b2.tools.builtin

    b2.tools.common.init(manager)

    load_configuration_files()

    # Load explicitly specified toolset modules.
    extra_properties = process_explicit_toolset_requests()

    # Load the actual project build script modules. We always load the project
    # in the current folder so 'use-project' directives have any chance of
    # being seen. Otherwise, we would not be able to refer to subprojects using
    # target ids.
    current_project = None
    projects = get_manager().projects()
    if projects.find(".", "."):
        current_project = projects.target(projects.load("."))

    # Load the default toolset module if no other has already been specified.
    if not feature.values("toolset"):

        dt = default_toolset
        dtv = None
        if default_toolset:
            dtv = default_toolset_version
        else:
            dt = "gcc"
            if os.name == 'nt':
                dt = "msvc"
                # FIXME:
                # else if [ os.name ] = MACOSX
                # {
                #    default-toolset = darwin ;
                # }

        print "warning: No toolsets are configured."
        print "warning: Configuring default toolset '%s'." % dt
        print "warning: If the default is wrong, your build may not work correctly."
        print "warning: Use the \"toolset=xxxxx\" option to override our guess."
        print "warning: For more configuration options, please consult"
        print "warning: http://boost.org/boost-build2/doc/html/bbv2/advanced/configuration.html"

        using(dt, dtv)

    # Parse command line for targets and properties. Note that this requires
    # that all project files already be loaded.
    (target_ids,
     properties) = build_request.from_command_line(sys.argv[1:] +
                                                   extra_properties)

    # Expand properties specified on the command line into multiple property
    # sets consisting of all legal property combinations. Each expanded property
    # set will be used for a single build run. E.g. if multiple toolsets are
    # specified then requested targets will be built with each of them.
    if properties:
        expanded = build_request.expand_no_defaults(properties)
    else:
        expanded = [property_set.empty()]

    # Check that we actually found something to build.
    if not current_project and not target_ids:
        get_manager().errors(
        )("no Jamfile in current directory found, and no target references specified."
          )
        # FIXME:
        # EXIT

    # Flags indicating that this build system run has been started in order to
    # clean existing instead of create new targets. Note that these are not the
    # final flag values as they may get changed later on due to some special
    # targets being specified on the command line.
    clean = "--clean" in sys.argv
    cleanall = "--clean-all" in sys.argv

    # List of explicitly requested files to build. Any target references read
    # from the command line parameter not recognized as one of the targets
    # defined in the loaded Jamfiles will be interpreted as an explicitly
    # requested file to build. If any such files are explicitly requested then
    # only those files and the targets they depend on will be built and they
    # will be searched for among targets that would have been built had there
    # been no explicitly requested files.
    explicitly_requested_files = []

    # List of Boost Build meta-targets, virtual-targets and actual Jam targets
    # constructed in this build system run.
    targets = []
    virtual_targets = []
    actual_targets = []

    explicitly_requested_files = []

    # Process each target specified on the command-line and convert it into
    # internal Boost Build target objects. Detect special clean target. If no
    # main Boost Build targets were explictly requested use the current project
    # as the target.
    for id in target_ids:
        if id == "clean":
            clean = 1
        else:
            t = None
            if current_project:
                t = current_project.find(id, no_error=1)
            else:
                t = find_target(id)

            if not t:
                print "notice: could not find main target '%s'" % id
                print "notice: assuming it's a name of file to create "
                explicitly_requested_files.append(id)
            else:
                targets.append(t)

    if not targets:
        targets = [projects.target(projects.module_name("."))]

    # FIXME: put this BACK.

    ## if [ option.get dump-generators : : true ]
    ## {
    ##     generators.dump ;
    ## }

    # We wish to put config.log in the build directory corresponding
    # to Jamroot, so that the location does not differ depending on
    # directory where we do build.  The amount of indirection necessary
    # here is scary.
    first_project = targets[0].project()
    first_project_root_location = first_project.get('project-root')
    first_project_root_module = manager.projects().load(
        first_project_root_location)
    first_project_root = manager.projects().target(first_project_root_module)
    first_build_build_dir = first_project_root.build_dir()
    configure.set_log_file(os.path.join(first_build_build_dir, "config.log"))

    virtual_targets = []

    global results_of_main_targets

    # Now that we have a set of targets to build and a set of property sets to
    # build the targets with, we can start the main build process by using each
    # property set to generate virtual targets from all of our listed targets
    # and any of their dependants.
    for p in expanded:
        manager.set_command_line_free_features(property_set.create(p.free()))

        for t in targets:
            try:
                g = t.generate(p)
                if not isinstance(t, ProjectTarget):
                    results_of_main_targets.extend(g.targets())
                virtual_targets.extend(g.targets())
            except ExceptionWithUserContext, e:
                e.report()
            except Exception:
                raise
示例#4
0
def main_real():

    global debug_config, out_xml

    debug_config = "--debug-configuration" in sys.argv
    out_xml = any(re.match("^--out-xml=(.*)$", a) for a in sys.argv)

    engine = Engine()

    global_build_dir = option.get("build-dir")
    manager = Manager(engine, global_build_dir)

    import b2.build.configure as configure

    if "--version" in sys.argv:
        from b2.build import version
        version.report()
        return

    # This module defines types and generator and what not,
    # and depends on manager's existence
    import b2.tools.builtin

    b2.tools.common.init(manager)

    load_configuration_files()

    # Load explicitly specified toolset modules.
    extra_properties = process_explicit_toolset_requests()

    # Load the actual project build script modules. We always load the project
    # in the current folder so 'use-project' directives have any chance of
    # being seen. Otherwise, we would not be able to refer to subprojects using
    # target ids.
    current_project = None
    projects = get_manager().projects()
    if projects.find(".", "."):
        current_project = projects.target(projects.load("."))

    # Load the default toolset module if no other has already been specified.
    if not feature.values("toolset"):

        dt = default_toolset
        dtv = None
        if default_toolset:
            dtv = default_toolset_version
        else:
            dt = "gcc"
            if os.name == 'nt':
                dt = "msvc"
            # FIXME:
            #else if [ os.name ] = MACOSX
            #{
            #    default-toolset = darwin ;
            #}

        print "warning: No toolsets are configured."
        print "warning: Configuring default toolset '%s'." % dt
        print "warning: If the default is wrong, your build may not work correctly."
        print "warning: Use the \"toolset=xxxxx\" option to override our guess."
        print "warning: For more configuration options, please consult"
        print "warning: http://boost.org/boost-build2/doc/html/bbv2/advanced/configuration.html"

        using(dt, dtv)

    # Parse command line for targets and properties. Note that this requires
    # that all project files already be loaded.
    (target_ids, properties) = build_request.from_command_line(sys.argv[1:] + extra_properties)

    # Expand properties specified on the command line into multiple property
    # sets consisting of all legal property combinations. Each expanded property
    # set will be used for a single build run. E.g. if multiple toolsets are
    # specified then requested targets will be built with each of them.
    if properties:
        expanded = build_request.expand_no_defaults(properties)
    else:
        expanded = [property_set.empty()]

    # Check that we actually found something to build.
    if not current_project and not target_ids:
        get_manager().errors()("no Jamfile in current directory found, and no target references specified.")
        # FIXME:
        # EXIT

    # Flags indicating that this build system run has been started in order to
    # clean existing instead of create new targets. Note that these are not the
    # final flag values as they may get changed later on due to some special
    # targets being specified on the command line.
    clean = "--clean" in sys.argv
    cleanall = "--clean-all" in sys.argv

    # List of explicitly requested files to build. Any target references read
    # from the command line parameter not recognized as one of the targets
    # defined in the loaded Jamfiles will be interpreted as an explicitly
    # requested file to build. If any such files are explicitly requested then
    # only those files and the targets they depend on will be built and they
    # will be searched for among targets that would have been built had there
    # been no explicitly requested files.
    explicitly_requested_files = []

    # List of Boost Build meta-targets, virtual-targets and actual Jam targets
    # constructed in this build system run.
    targets = []
    virtual_targets = []
    actual_targets = []

    explicitly_requested_files = []

    # Process each target specified on the command-line and convert it into
    # internal Boost Build target objects. Detect special clean target. If no
    # main Boost Build targets were explictly requested use the current project
    # as the target.
    for id in target_ids:
        if id == "clean":
            clean = 1
        else:
            t = None
            if current_project:
                t = current_project.find(id, no_error=1)
            else:
                t = find_target(id)

            if not t:
                print "notice: could not find main target '%s'" % id
                print "notice: assuming it's a name of file to create " ;
                explicitly_requested_files.append(id)
            else:
                targets.append(t)

    if not targets:
        targets = [projects.target(projects.module_name("."))]

    # FIXME: put this BACK.

    ## if [ option.get dump-generators : : true ]
    ## {
    ##     generators.dump ;
    ## }


    # We wish to put config.log in the build directory corresponding
    # to Jamroot, so that the location does not differ depending on
    # directory where we do build.  The amount of indirection necessary
    # here is scary.
    first_project = targets[0].project()
    first_project_root_location = first_project.get('project-root')
    first_project_root_module = manager.projects().load(first_project_root_location)
    first_project_root = manager.projects().target(first_project_root_module)
    first_build_build_dir = first_project_root.build_dir()
    configure.set_log_file(os.path.join(first_build_build_dir, "config.log"))

    virtual_targets = []

    global results_of_main_targets

    # Now that we have a set of targets to build and a set of property sets to
    # build the targets with, we can start the main build process by using each
    # property set to generate virtual targets from all of our listed targets
    # and any of their dependants.
    for p in expanded:
        manager.set_command_line_free_features(property_set.create(p.free()))

        for t in targets:
            try:
                g = t.generate(p)
                if not isinstance(t, ProjectTarget):
                    results_of_main_targets.extend(g.targets())
                virtual_targets.extend(g.targets())
            except ExceptionWithUserContext, e:
                e.report()
            except Exception:
                raise
示例#5
0
def main_real():

    global ignore_config
    global debug_config
    
    boost_build_path = bjam.variable("BOOST_BUILD_PATH")

    engine = Engine()

    global_build_dir = get_string_option("build-dir")
    debug_config = get_boolean_option("debug-configuration")
    
    manager = Manager(engine, global_build_dir)

    # This module defines types and generator and what not,
    # and depends on manager's existence
    import b2.tools.builtin


    # Check if we can load 'test-config.jam'. If we can, load it and
    # ignore user configs.
    
    test_config = glob(boost_build_path, ["test-config.jam"])
    if test_config:
        test_config = test_config[0]

    if test_config:
        if debug_config:
            print "notice: loading testing-config.jam from '%s'" % test_config
            print "notice: user-config.jam and site-config.jam will be ignored"

        manager.projects().load_standalone("test-config", test_config)


    ignore_config = test_config or get_boolean_option("ignore-config")
    user_path = home_directories() + boost_build_path

    site_path = ["/etc"] + user_path
    if bjam.variable("OS") in ["NT", "CYGWIN"]:
        site_path = [os.environ("SystemRoot")] + user_path

    load_config(manager, "site-config", site_path)

    user_config_path = get_string_option("user-config")
    if not user_config_path:
        user_config_path = os.environ.get("BOOST_BUILD_USER_CONFIG")

    if user_config_path:
        if debug_config:
            print "Loading explicitly specifier user configuration file:"
            print "    %s" % user_config_path
            
        manager.projects().load_standalone("user-config", user_config_path)

    else:
        load_config(manager, "user-config", user_path)
        

# FIXME:
## #
## # Autoconfigure toolsets based on any instances of --toolset=xx,yy,...zz or
## # toolset=xx,yy,...zz in the command line
## #
## local option-toolsets = [ regex.split-list [ MATCH ^--toolset=(.*) : $(argv) ] : "," ] ;
## local feature-toolsets = [ regex.split-list [ MATCH ^toolset=(.*) : $(argv) ] : "," ] ;

## # if the user specified --toolset=..., we need to add toolset=... to
## # the build request
## local extra-build-request ;

    extra_build_request = []

## if ! $(ignore-config)
## {
##     for local t in $(option-toolsets) $(feature-toolsets)
##     {
##         # Parse toolset-version/properties
##         local (t-v,t,v) = [ MATCH (([^-/]+)-?([^/]+)?)/?.* : $(t) ] ;
##         local toolset-version = $((t-v,t,v)[1]) ;
##         local toolset = $((t-v,t,v)[2]) ;
##         local version = $((t-v,t,v)[3]) ;

##         if $(debug-config)
##         {
##             ECHO notice: [cmdline-cfg] Detected command-line request for 
##               $(toolset-version): toolset= \"$(toolset)\" "version= \""$(version)\" ;
##         }

##         local known ;

##         # if the toolset isn't known, configure it now.
##         if $(toolset) in [ feature.values <toolset>  ]
##         {
##             known = true ;
##         }

##         if $(known) && $(version) 
##           && ! [ feature.is-subvalue toolset : $(toolset) : version : $(version) ]
##         {
##             known = ;
##         }

##         if ! $(known)
##         {
##             if $(debug-config)
##             {
##                 ECHO notice: [cmdline-cfg] toolset $(toolset-version) 
##                   not previously configured; configuring now ; 
##             }
##             toolset.using $(toolset) : $(version) ;
##         }
##         else
##         {
##             if $(debug-config)
##             {
##                 ECHO notice: [cmdline-cfg] toolset $(toolset-version) already configured ;
##             }
##         }

##         # make sure we get an appropriate property into the build request in
##         # case the user used the "--toolset=..." form
##         if ! $(t) in $(argv)
##             && ! $(t) in $(feature-toolsets) 
##         {
##             if $(debug-config)
##             {
##                 ECHO notice: [cmdline-cfg] adding toolset=$(t) "to build request." ;
##             }
##             extra-build-request += toolset=$(t) ;
##         }
##     }
## }


# FIXME:
## if USER_MODULE in [ RULENAMES ]
## {
##     USER_MODULE site-config user-config ;
## }

    if get_boolean_option("version"):
        # FIXME: Move to a separate module. Include bjam
        # verision.
        print "Boost.Build M15 (Python port in development)"
        sys.exit(0)

    b2.tools.common.init(manager)        

    # We always load project in "." so that 'use-project' directives has
    # any chance of been seen. Otherwise, we won't be able to refer to
    # subprojects using target ids.

    current_project = None
    projects = manager.projects()
    if projects.find(".", "."):
        current_project = projects.target(projects.load("."))

    # FIXME: revive this logic, when loading of gcc works
    if not feature.values("<toolset>") and not ignore_config and 0:
        default_toolset = "gcc" ;
        if bjam.variable("OS") == "NT":
            default_toolset = "msvc"
               
        print "warning: No toolsets are configured." ;
        print "warning: Configuring default toolset '%s'" % default_toolset
        print "warning: If the default is wrong, you may not be able to build C++ programs."
        print "warning: Use the \"--toolset=xxxxx\" option to override our guess."
        print "warning: For more configuration options, please consult"
        print "warning: http://boost.org/boost-build2/doc/html/bbv2/advanced/configuration.html"

        projects.project_rules().using([default_toolset])

    (target_ids, properties) = b2.build.build_request.from_command_line(
        argv[1:] + extra_build_request)

    if properties:
        expanded = b2.build.build_request.expand_no_defaults(properties)
        xexpanded = []
        for e in expanded:
            xexpanded.append(property_set.create(feature.split(e)))
        expanded = xexpanded
    else:
        expanded = [property_set.empty()]

    targets = []
    
    clean = get_boolean_option("clean")
    clean_all = get_boolean_option("clean-all")
    

    bjam_targets = []

    # Given a target id, try to find and return corresponding target.
    # This is only invoked when there's no Jamfile in "."
    # This code somewhat duplicates code in project-target.find but we can't  reuse
    # that code without project-targets instance.
    def find_target (target_id):
        split = target_id.split("//")
        pm = None
        if len(split) > 1:
            pm = projects.find(split[0], ".")
        else:
            pm = projects.find(target_id, ".")

        result = None
        if pm:
            result = projects.target(pm)

        if len(split) > 1:
            result = result.find(split[1])

    if not current_project and not target_ids:
        print "error: no Jamfile in current directory found, and no target references specified."
        sys.exit(1)

    for id in target_ids:
        if id == "clean":
            clean = 1
        else:
            t = None
            if current_project:
                t = current_project.find(id, no_error=1)
            else:
                t = find_target(id)

            if not t:
                print "notice: could not find main target '%s'" % id
                print "notice: assuming it's a name of file to create " ;
                bjam_targets.append(id)
            else:
                targets.append(t)

    if not targets:
        targets = [projects.target(projects.module_name("."))]
    
    virtual_targets = []

    # Virtual targets obtained when building main targets references on
    # the command line. When running
    #
    #   bjam --clean main_target
    #
    # we want to clean the files that belong only to that main target,
    # so we need to record which targets are produced.
    results_of_main_targets = []

    for p in expanded:
        manager.set_command_line_free_features(property_set.create(p.free()))
        
        for t in targets:
            try:
                g = t.generate(p)
                if not isinstance(t, ProjectTarget):
                    results_of_main_targets.extend(g.targets())
                virtual_targets.extend(g.targets())
            except ExceptionWithUserContext, e:
                e.report()
            except Exception:                
                raise
def main_real():

    global ignore_config
    global debug_config

    boost_build_path = bjam.variable("BOOST_BUILD_PATH")

    engine = Engine()

    global_build_dir = get_string_option("build-dir")
    debug_config = get_boolean_option("debug-configuration")

    manager = Manager(engine, global_build_dir)

    # This module defines types and generator and what not,
    # and depends on manager's existence
    import b2.tools.builtin

    # Check if we can load 'test-config.jam'. If we can, load it and
    # ignore user configs.

    test_config = glob(boost_build_path, ["test-config.jam"])
    if test_config:
        test_config = test_config[0]

    if test_config:
        if debug_config:
            print "notice: loading testing-config.jam from '%s'" % test_config
            print "notice: user-config.jam and site-config.jam will be ignored"

        manager.projects().load_standalone("test-config", test_config)

    ignore_config = test_config or get_boolean_option("ignore-config")
    user_path = home_directories() + boost_build_path

    site_path = ["/etc"] + user_path
    if bjam.variable("OS") in ["NT", "CYGWIN"]:
        site_path = [os.environ("SystemRoot")] + user_path

    load_config(manager, "site-config", site_path)

    user_config_path = get_string_option("user-config")
    if not user_config_path:
        user_config_path = os.environ.get("BOOST_BUILD_USER_CONFIG")

    if user_config_path:
        if debug_config:
            print "Loading explicitly specifier user configuration file:"
            print "    %s" % user_config_path

        manager.projects().load_standalone("user-config", user_config_path)

    else:
        load_config(manager, "user-config", user_path)

# FIXME:
## #
## # Autoconfigure toolsets based on any instances of --toolset=xx,yy,...zz or
## # toolset=xx,yy,...zz in the command line
## #
## local option-toolsets = [ regex.split-list [ MATCH ^--toolset=(.*) : $(argv) ] : "," ] ;
## local feature-toolsets = [ regex.split-list [ MATCH ^toolset=(.*) : $(argv) ] : "," ] ;

## # if the user specified --toolset=..., we need to add toolset=... to
## # the build request
## local extra-build-request ;

    extra_build_request = []

    ## if ! $(ignore-config)
    ## {
    ##     for local t in $(option-toolsets) $(feature-toolsets)
    ##     {
    ##         # Parse toolset-version/properties
    ##         local (t-v,t,v) = [ MATCH (([^-/]+)-?([^/]+)?)/?.* : $(t) ] ;
    ##         local toolset-version = $((t-v,t,v)[1]) ;
    ##         local toolset = $((t-v,t,v)[2]) ;
    ##         local version = $((t-v,t,v)[3]) ;

    ##         if $(debug-config)
    ##         {
    ##             ECHO notice: [cmdline-cfg] Detected command-line request for
    ##               $(toolset-version): toolset= \"$(toolset)\" "version= \""$(version)\" ;
    ##         }

    ##         local known ;

    ##         # if the toolset isn't known, configure it now.
    ##         if $(toolset) in [ feature.values <toolset>  ]
    ##         {
    ##             known = true ;
    ##         }

    ##         if $(known) && $(version)
    ##           && ! [ feature.is-subvalue toolset : $(toolset) : version : $(version) ]
    ##         {
    ##             known = ;
    ##         }

    ##         if ! $(known)
    ##         {
    ##             if $(debug-config)
    ##             {
    ##                 ECHO notice: [cmdline-cfg] toolset $(toolset-version)
    ##                   not previously configured; configuring now ;
    ##             }
    ##             toolset.using $(toolset) : $(version) ;
    ##         }
    ##         else
    ##         {
    ##             if $(debug-config)
    ##             {
    ##                 ECHO notice: [cmdline-cfg] toolset $(toolset-version) already configured ;
    ##             }
    ##         }

    ##         # make sure we get an appropriate property into the build request in
    ##         # case the user used the "--toolset=..." form
    ##         if ! $(t) in $(argv)
    ##             && ! $(t) in $(feature-toolsets)
    ##         {
    ##             if $(debug-config)
    ##             {
    ##                 ECHO notice: [cmdline-cfg] adding toolset=$(t) "to build request." ;
    ##             }
    ##             extra-build-request += toolset=$(t) ;
    ##         }
    ##     }
    ## }

    # FIXME:
    ## if USER_MODULE in [ RULENAMES ]
    ## {
    ##     USER_MODULE site-config user-config ;
    ## }

    if get_boolean_option("version"):
        # FIXME: Move to a separate module. Include bjam
        # verision.
        print "Boost.Build M15 (Python port in development)"
        sys.exit(0)

    b2.tools.common.init(manager)

    # We always load project in "." so that 'use-project' directives has
    # any chance of been seen. Otherwise, we won't be able to refer to
    # subprojects using target ids.

    current_project = None
    projects = manager.projects()
    if projects.find(".", "."):
        current_project = projects.target(projects.load("."))

    # FIXME: revive this logic, when loading of gcc works
    if not feature.values("<toolset>") and not ignore_config and 0:
        default_toolset = "gcc"
        if bjam.variable("OS") == "NT":
            default_toolset = "msvc"

        print "warning: No toolsets are configured."
        print "warning: Configuring default toolset '%s'" % default_toolset
        print "warning: If the default is wrong, you may not be able to build C++ programs."
        print "warning: Use the \"--toolset=xxxxx\" option to override our guess."
        print "warning: For more configuration options, please consult"
        print "warning: http://boost.org/boost-build2/doc/html/bbv2/advanced/configuration.html"

        projects.project_rules().using([default_toolset])

    (target_ids, properties
     ) = b2.build.build_request.from_command_line(argv[1:] +
                                                  extra_build_request)

    if properties:
        expanded = b2.build.build_request.expand_no_defaults(properties)
        xexpanded = []
        for e in expanded:
            xexpanded.append(property_set.create(feature.split(e)))
        expanded = xexpanded
    else:
        expanded = [property_set.empty()]

    targets = []

    clean = get_boolean_option("clean")
    clean_all = get_boolean_option("clean-all")

    bjam_targets = []

    # Given a target id, try to find and return corresponding target.
    # This is only invoked when there's no Jamfile in "."
    # This code somewhat duplicates code in project-target.find but we can't  reuse
    # that code without project-targets instance.
    def find_target(target_id):
        split = target_id.split("//")
        pm = None
        if len(split) > 1:
            pm = projects.find(split[0], ".")
        else:
            pm = projects.find(target_id, ".")

        result = None
        if pm:
            result = projects.target(pm)

        if len(split) > 1:
            result = result.find(split[1])

    if not current_project and not target_ids:
        print "error: no Jamfile in current directory found, and no target references specified."
        sys.exit(1)

    for id in target_ids:
        if id == "clean":
            clean = 1
        else:
            t = None
            if current_project:
                t = current_project.find(id, no_error=1)
            else:
                t = find_target(id)

            if not t:
                print "notice: could not find main target '%s'" % id
                print "notice: assuming it's a name of file to create "
                bjam_targets.append(id)
            else:
                targets.append(t)

    if not targets:
        targets = [projects.target(projects.module_name("."))]

    virtual_targets = []

    # Virtual targets obtained when building main targets references on
    # the command line. When running
    #
    #   bjam --clean main_target
    #
    # we want to clean the files that belong only to that main target,
    # so we need to record which targets are produced.
    results_of_main_targets = []

    for p in expanded:
        manager.set_command_line_free_features(property_set.create(p.free()))

        for t in targets:
            try:
                g = t.generate(p)
                if not isinstance(t, ProjectTarget):
                    results_of_main_targets.extend(g.targets())
                virtual_targets.extend(g.targets())
            except ExceptionWithUserContext, e:
                e.report()
            except Exception:
                raise