#   ROOT layout
<Layout ROOT>
    prefix:          /usr
    exec_prefix:     ${prefix}
    bindir:          ${prefix}/bin
    sbindir:         ${prefix}/sbin
    libdir:          ${prefix}/lib
    libexecdir:      ${prefix}/lib/httpd
    installbuilddir: ${prefix}/lib/httpd/build
    mandir:          ${prefix}/share/man
    sysconfdir:      /etc/httpd
    datadir:         /srv/www
    iconsdir:        ${datadir}/icons
    htdocsdir:       ${datadir}/htdocs
    manualdir:       ${htdocsdir}/manual
    cgidir:          ${datadir}/cgi-bin
    errordir:        ${datadir}/error
    includedir:      ${prefix}/include/httpd
    localstatedir:   /var
    runtimedir:      ${localstatedir}/run/httpd
    logfiledir:      ${localstatedir}/log/httpd
    proxycachedir:   ${localstatedir}/cache/httpd
</Layout>

.