def do_populate_sysroot(d):
    # SYSROOT 'version' 2
    bb.build.exec_func("sysroot_stage_all", d)
    bb.build.exec_func("sysroot_strip", d)
    for f in (d.getVar('SYSROOT_PREPROCESS_FUNCS') or '').split():
        bb.build.exec_func(f, d)
    pn = d.getVar("PN")
    multiprov = d.getVar("BB_MULTI_PROVIDER_ALLOWED").split()
    provdir = d.expand("${SYSROOT_DESTDIR}${base_prefix}/sysroot-providers/")
    bb.utils.mkdirhier(provdir)
    for p in d.getVar("PROVIDES").split():
        if p in multiprov:
            continue
        p = p.replace("/", "_")
        with open(provdir + p, "w") as f:
            f.write(pn)

do_populate_sysroot(d)

def relocatable_binaries_preprocess(d):
    rpath_replace(d.expand('${SYSROOT_DESTDIR}'), d)

def sysroot_strip(d):
    inhibit_sysroot = d.getVar('INHIBIT_SYSROOT_STRIP')
    if inhibit_sysroot and oe.types.boolean(inhibit_sysroot):
        return

    dstdir = d.getVar('SYSROOT_DESTDIR')
    pn = d.getVar('PN')
    libdir = d.getVar("libdir")
    base_libdir = d.getVar("base_libdir")
    qa_already_stripped = 'already-stripped' in (d.getVar('INSANE_SKIP:' + pn) or "").split()
    strip_cmd = d.getVar("STRIP")

    max_process = oe.utils.get_bb_number_threads(d)
    oe.package.strip_execs(pn, dstdir, strip_cmd, libdir, base_libdir, max_process,
                           qa_already_stripped=qa_already_stripped)

def rpath_replace (path, d):
    bindirs = d.expand("${bindir} ${sbindir} ${base_sbindir} ${base_bindir} ${libdir} ${base_libdir} ${libexecdir} ${PREPROCESS_RELOCATE_DIRS}").split()

    for bindir in bindirs:
        #bb.note ("Processing directory " + bindir)
        directory = path + "/" + bindir
        process_dir (path, directory, d)

def process_dir(rootdir, directory, d, break_hardlinks = False):
    bb.debug(2, "Checking %s for binaries to process" % directory)
    if not os.path.exists(directory):
        return

    import stat

    rootdir = os.path.normpath(rootdir)
    cmd = d.expand('${CHRPATH_BIN}')
    tmpdir = os.path.normpath(d.getVar('TMPDIR', False))
    baseprefix = os.path.normpath(d.expand('${base_prefix}'))
    hostos = d.getVar("HOST_OS")

    if "linux" in hostos:
        process_file = process_file_linux
    elif "darwin" in hostos:
        process_file = process_file_darwin
    else:
        # Relocations not supported
        return

    dirs = os.listdir(directory)
    for file in dirs:
        fpath = directory + "/" + file
        fpath = os.path.normpath(fpath)
        if os.path.islink(fpath):
            # Skip symlinks
            continue

        if os.path.isdir(fpath):
            process_dir(rootdir, fpath, d, break_hardlinks = break_hardlinks)
        else:
            #bb.note("Testing %s for relocatability" % fpath)

            # We need read and write permissions for chrpath, if we don't have
            # them then set them temporarily. Take a copy of the files
            # permissions so that we can restore them afterwards.
            perms = os.stat(fpath)[stat.ST_MODE]
            if os.access(fpath, os.W_OK|os.R_OK):
                perms = None
            else:
                # Temporarily make the file writeable so we can chrpath it
                os.chmod(fpath, perms|stat.S_IRWXU)

            process_file(cmd, fpath, rootdir, baseprefix, tmpdir, d, break_hardlinks = break_hardlinks)

            if perms:
                os.chmod(fpath, perms)