source: prologue/standards.xml@ af6ea19

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<sect1 id="pre-standards">
  <?dbhtml filename="standards.html"?>

  <title>LFS and Standards</title>

  <!--<sect2>
    <title/> -->

     <para>The structure of LFS follows Linux standards as closely as
     possible.  The primary standards are:</para>

    <itemizedlist>
      <listitem>
        <para><ulink url="https://pubs.opengroup.org/onlinepubs/9699919799/">
        POSIX.1-2008</ulink>.</para>
      </listitem>
      <listitem>
        <para><ulink
        url="https://refspecs.linuxfoundation.org/FHS_3.0/fhs/index.html">
        Filesystem Hierarchy Standard (FHS) Version 3.0</ulink></para>

      </listitem>
      <listitem>
        <para><ulink url="https://refspecs.linuxfoundation.org/lsb.shtml">Linux
        Standard Base (LSB) Version 5.0 (2015)</ulink></para>

        <para>The LSB has four separate specifications: Core, Desktop,
        Runtime Languages, and Imaging.  Some parts of Core and Desktop
        specifications are architecture specific.  There are also two trial
        specifications: Gtk3 and Graphics.  LFS attempts to conform to the LSB
        specifications for the IA32 (32-bit x86) or AMD64 (x86_64)
        architectures discussed in the previous section.</para>

        <note><para>Many people do not agree with these requirements.
        The main purpose of the LSB is to ensure that proprietary software
        can be installed and run on a compliant system.
        Since LFS is source based, the user has complete control over what
        packages are desired; you may choose not to install some packages that
        are specified by the LSB.</para></note>

      </listitem>
    </itemizedlist>

    <para>While it is possible to create a complete system that will pass the LSB
    certification tests "from scratch", this can't be done without many additional packages
    that are beyond the scope of the LFS book.  Installation instructions for these
    additional packages can be found in BLFS. </para>

    <variablelist>
      <bridgehead renderas="sect3">Packages supplied by LFS needed to
          satisfy the LSB Requirements</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry>
        <term><emphasis>LSB Core:</emphasis></term>
        <listitem>
          <para>Bash, Bc, Binutils, Coreutils, Diffutils, File, Findutils, Gawk,
                Grep, Gzip, M4, Man-DB, Ncurses, Procps, Psmisc, Sed,
                Shadow, Tar, Util-linux, Zlib</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Desktop:</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Runtime Languages:</emphasis></term>
        <listitem>
          <para>Perl, Python</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Imaging:</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <variablelist>
      <bridgehead renderas="sect3">Packages supplied by BLFS needed to
          satisfy the LSB Requirements</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry>
        <term><emphasis>LSB Core:</emphasis></term>
        <listitem>
          <para>At, Batch (a part of At), Cpio, Ed, Fcrontab, LSB-Tools, NSPR,
          NSS, PAM, Pax, Sendmail (or Postfix or Exim), time
          </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Desktop:</emphasis></term>
        <listitem>
          <para>Alsa, ATK, Cairo, Desktop-file-utils, Freetype, Fontconfig,
          Gdk-pixbuf, Glib2, GTK+2, Icon-naming-utils, Libjpeg-turbo, Libpng, Libtiff,
          Libxml2, MesaLib, Pango, Xdg-utils, Xorg</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Runtime Languages:</emphasis></term>
        <listitem>
          <para>Libxml2, Libxslt </para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Imaging:</emphasis></term>
        <listitem>
          <para>CUPS, Cups-filters, Ghostscript, SANE</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
        <listitem>
          <para>GTK+3</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <variablelist>
      <bridgehead renderas="sect3">Packages not supplied by LFS or BLFS
      needed to satisfy the LSB Requirements</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry>
        <term><emphasis>LSB Core:</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Desktop:</emphasis></term>
        <listitem>
          <para>Qt4 (but Qt5 is provided)</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Runtime Languages:</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Imaging:</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

      <varlistentry>
        <term><emphasis>LSB Gtk3 and LSB Graphics (Trial Use):</emphasis></term>
        <listitem>
          <para>None</para>
        </listitem>
      </varlistentry>

    </variablelist>

</sect1>