def populate_packages(d):
    systemdlibdir = d.getVar("rootlibdir")
    do_split_packages(d, systemdlibdir, r'^lib(.*)\.so\.*', 'lib%s', 'Systemd %s library', extra_depends='', allow_links=True)
    def update_useradd_package(pkg):
        bb.debug(1, 'adding user/group calls to preinst for %s' % pkg)

        """
        useradd preinst is appended here because pkg_preinst may be
        required to execute on the target. Not doing so may cause
        useradd preinst to be invoked twice, causing unwanted warnings.
        """
        preinst = d.getVar('pkg_preinst:%s' % pkg) or d.getVar('pkg_preinst')
        if not preinst:
            preinst = '#!/bin/sh\n'
        preinst += 'bbnote () {\n\techo "NOTE: $*"\n}\n'
        preinst += 'bbwarn () {\n\techo "WARNING: $*"\n}\n'
        preinst += 'bbfatal () {\n\techo "ERROR: $*"\n\texit 1\n}\n'
        preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd')
        preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd')
        preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems')
        preinst += d.getVar('useradd_preinst')
        # Expand out the *_PARAM variables to the package specific versions
        for rep in ["GROUPADD_PARAM", "USERADD_PARAM", "GROUPMEMS_PARAM"]:
            val = d.getVar(rep + ":" + pkg) or ""
            preinst = preinst.replace("${" + rep + "}", val)
        d.setVar('pkg_preinst:%s' % pkg, preinst)

        # RDEPENDS setup
        rdepends = d.getVar("RDEPENDS:%s" % pkg) or ""
        rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-passwd'
        rdepends += ' ' + d.getVar('MLPREFIX', False) + 'shadow'
        # base-files is where the default /etc/skel is packaged
        rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-files'
        d.setVar("RDEPENDS:%s" % pkg, rdepends)

    # Add the user/group preinstall scripts and RDEPENDS requirements
    # to packages specified by USERADD_PACKAGES
    if not bb.data.inherits_class('nativesdk', d) \
        and not bb.data.inherits_class('native', d):
        useradd_packages = d.getVar('USERADD_PACKAGES') or ""
        for pkg in useradd_packages.split():
            update_useradd_package(pkg)
    oe.package.populate_packages(d)

populate_packages(d)

def do_split_packages(d, root, file_regex, output_pattern, description, postinst=None, recursive=False, hook=None, extra_depends=None, aux_files_pattern=None, postrm=None, allow_dirs=False, prepend=False, match_path=False, aux_files_pattern_verbatim=None, allow_links=False, summary=None):
    """
    Used in .bb files to split up dynamically generated subpackages of a
    given package, usually plugins or modules.

    Arguments:
    root           -- the path in which to search
    file_regex     -- regular expression to match searched files. Use
                      parentheses () to mark the part of this expression
                      that should be used to derive the module name (to be
                      substituted where %s is used in other function
                      arguments as noted below)
    output_pattern -- pattern to use for the package names. Must include %s.
    description    -- description to set for each package. Must include %s.
    postinst       -- postinstall script to use for all packages (as a
                      string)
    recursive      -- True to perform a recursive search - default False
    hook           -- a hook function to be called for every match. The
                      function will be called with the following arguments
                      (in the order listed):
                        f: full path to the file/directory match
                        pkg: the package name
                        file_regex: as above
                        output_pattern: as above
                        modulename: the module name derived using file_regex
    extra_depends  -- extra runtime dependencies (RDEPENDS) to be set for
                      all packages. The default value of None causes a
                      dependency on the main package (${PN}) - if you do
                      not want this, pass '' for this parameter.
    aux_files_pattern -- extra item(s) to be added to FILES for each
                      package. Can be a single string item or a list of
                      strings for multiple items.  Must include %s.
    postrm         -- postrm script to use for all packages (as a string)
    allow_dirs     -- True allow directories to be matched - default False
    prepend        -- if True, prepend created packages to PACKAGES instead
                      of the default False which appends them
    match_path     -- match file_regex on the whole relative path to the
                      root rather than just the file name
    aux_files_pattern_verbatim -- extra item(s) to be added to FILES for
                      each package, using the actual derived module name
                      rather than converting it to something legal for a
                      package name. Can be a single string item or a list
                      of strings for multiple items. Must include %s.
    allow_links    -- True to allow symlinks to be matched - default False
    summary        -- Summary to set for each package. Must include %s;
                      defaults to description if not set.

    """

    dvar = d.getVar('PKGD')
    root = d.expand(root)
    output_pattern = d.expand(output_pattern)
    extra_depends = d.expand(extra_depends)

    # If the root directory doesn't exist, don't error out later but silently do
    # no splitting.
    if not os.path.exists(dvar + root):
        return []

    ml = d.getVar("MLPREFIX")
    if ml:
        if not output_pattern.startswith(ml):
            output_pattern = ml + output_pattern

        newdeps = []
        for dep in (extra_depends or "").split():
            if dep.startswith(ml):
                newdeps.append(dep)
            else:
                newdeps.append(ml + dep)
        if newdeps:
            extra_depends = " ".join(newdeps)


    packages = d.getVar('PACKAGES').split()
    split_packages = set()

    if postinst:
        postinst = '#!/bin/sh\n' + postinst + '\n'
    if postrm:
        postrm = '#!/bin/sh\n' + postrm + '\n'
    if not recursive:
        objs = os.listdir(dvar + root)
    else:
        objs = []
        for walkroot, dirs, files in os.walk(dvar + root):
            for file in files:
                relpath = os.path.join(walkroot, file).replace(dvar + root + '/', '', 1)
                if relpath:
                    objs.append(relpath)

    if extra_depends == None:
        extra_depends = d.getVar("PN")

    if not summary:
        summary = description

    for o in sorted(objs):
        import re, stat
        if match_path:
            m = re.match(file_regex, o)
        else:
            m = re.match(file_regex, os.path.basename(o))

        if not m:
            continue
        f = os.path.join(dvar + root, o)
        mode = os.lstat(f).st_mode
        if not (stat.S_ISREG(mode) or (allow_links and stat.S_ISLNK(mode)) or (allow_dirs and stat.S_ISDIR(mode))):
            continue
        on = oe.package.legitimize_package_name(m.group(1))
        pkg = output_pattern % on
        split_packages.add(pkg)
        if not pkg in packages:
            if prepend:
                packages = [pkg] + packages
            else:
                packages.append(pkg)
        oldfiles = d.getVar('FILES:' + pkg)
        newfile = os.path.join(root, o)
        # These names will be passed through glob() so if the filename actually
        # contains * or ? (rare, but possible) we need to handle that specially
        newfile = newfile.replace('*', '[*]')
        newfile = newfile.replace('?', '[?]')
        if not oldfiles:
            the_files = [newfile]
            if aux_files_pattern:
                if type(aux_files_pattern) is list:
                    for fp in aux_files_pattern:
                        the_files.append(fp % on)
                else:
                    the_files.append(aux_files_pattern % on)
            if aux_files_pattern_verbatim:
                if type(aux_files_pattern_verbatim) is list:
                    for fp in aux_files_pattern_verbatim:
                        the_files.append(fp % m.group(1))
                else:
                    the_files.append(aux_files_pattern_verbatim % m.group(1))
            d.setVar('FILES:' + pkg, " ".join(the_files))
        else:
            d.setVar('FILES:' + pkg, oldfiles + " " + newfile)
        if extra_depends != '':
            d.appendVar('RDEPENDS:' + pkg, ' ' + extra_depends)
        if not d.getVar('DESCRIPTION:' + pkg):
            d.setVar('DESCRIPTION:' + pkg, description % on)
        if not d.getVar('SUMMARY:' + pkg):
            d.setVar('SUMMARY:' + pkg, summary % on)
        if postinst:
            d.setVar('pkg_postinst:' + pkg, postinst)
        if postrm:
            d.setVar('pkg_postrm:' + pkg, postrm)
        if callable(hook):
            hook(f, pkg, file_regex, output_pattern, m.group(1))

    d.setVar('PACKAGES', ' '.join(packages))
    return list(split_packages)