def do_qa_configure(d):
    import subprocess

    ###########################################################################
    # Check config.log for cross compile issues
    ###########################################################################

    configs = []
    workdir = d.getVar('WORKDIR')

    if bb.data.inherits_class('autotools', d):
        bb.note("Checking autotools environment for common misconfiguration")
        for root, dirs, files in os.walk(workdir):
            statement = "grep -q -F -e 'CROSS COMPILE Badness:' -e 'is unsafe for cross-compilation' %s" % \
                        os.path.join(root,"config.log")
            if "config.log" in files:
                if subprocess.call(statement, shell=True) == 0:
                    bb.fatal("""This autoconf log indicates errors, it looked at host include and/or library paths while determining system capabilities.
Rerun configure task after fixing this.""")

            if "configure.ac" in files:
                configs.append(os.path.join(root,"configure.ac"))
            if "configure.in" in files:
                configs.append(os.path.join(root, "configure.in"))

    ###########################################################################
    # Check gettext configuration and dependencies are correct
    ###########################################################################

    cnf = d.getVar('EXTRA_OECONF') or ""
    if "gettext" not in d.getVar('P') and "gcc-runtime" not in d.getVar('P') and "--disable-nls" not in cnf:
        ml = d.getVar("MLPREFIX") or ""
        if bb.data.inherits_class('cross-canadian', d):
            gt = "nativesdk-gettext"
        else:
            gt = "gettext-native"
        deps = bb.utils.explode_deps(d.getVar('DEPENDS') or "")
        if gt not in deps:
            for config in configs:
                gnu = "grep \"^[[:space:]]*AM_GNU_GETTEXT\" %s >/dev/null" % config
                if subprocess.call(gnu, shell=True) == 0:
                    bb.fatal("""%s required but not in DEPENDS for file %s.
Missing inherit gettext?""" % (gt, config))

    ###########################################################################
    # Check unrecognised configure options (with a white list)
    ###########################################################################
    if bb.data.inherits_class("autotools", d):
        bb.note("Checking configure output for unrecognised options")
        try:
            flag = "WARNING: unrecognized options:"
            log = os.path.join(d.getVar('B'), 'config.log')
            output = subprocess.check_output(['grep', '-F', flag, log]).decode("utf-8").replace(', ', ' ')
            options = set()
            for line in output.splitlines():
                options |= set(line.partition(flag)[2].split())
            whitelist = set(d.getVar("UNKNOWN_CONFIGURE_WHITELIST").split())
            options -= whitelist
            if options:
                pn = d.getVar('PN')
                error_msg = pn + ": configure was passed unrecognised options: " + " ".join(options)
                package_qa_handle_error("unknown-configure-option", error_msg, d)
        except subprocess.CalledProcessError:
            pass

    # Check invalid PACKAGECONFIG
    pkgconfig = (d.getVar("PACKAGECONFIG") or "").split()
    if pkgconfig:
        pkgconfigflags = d.getVarFlags("PACKAGECONFIG") or {}
        for pconfig in pkgconfig:
            if pconfig not in pkgconfigflags:
                pn = d.getVar('PN')
                error_msg = "%s: invalid PACKAGECONFIG: %s" % (pn, pconfig)
                package_qa_handle_error("invalid-packageconfig", error_msg, d)

    qa_sane = d.getVar("QA_SANE")
    if not qa_sane:
        bb.fatal("Fatal QA errors found, failing task.")

do_qa_configure(d)

def package_qa_handle_error(error_class, error_msg, d):
    if error_class in (d.getVar("ERROR_QA") or "").split():
        package_qa_write_error(error_class, error_msg, d)
        bb.error("QA Issue: %s [%s]" % (error_msg, error_class))
        d.setVar("QA_SANE", False)
        return False
    elif error_class in (d.getVar("WARN_QA") or "").split():
        package_qa_write_error(error_class, error_msg, d)
        bb.warn("QA Issue: %s [%s]" % (error_msg, error_class))
    else:
        bb.note("QA Issue: %s [%s]" % (error_msg, error_class))
    return True

def package_qa_write_error(type, error, d):
    logfile = d.getVar('QA_LOGFILE')
    if logfile:
        p = d.getVar('P')
        with open(logfile, "a+") as f:
            f.write("%s: %s [%s]\n" % (p, error, type))