source: pst/printing/cups-filters.xml@ 9fd586e9

<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
   "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../../general.ent">
  %general-entities;

  <!ENTITY cups-filters-download-http
  "https://www.openprinting.org/download/cups-filters/cups-filters-&cups-filters-version;.tar.xz">
  <!ENTITY cups-filters-download-ftp  " ">
  <!ENTITY cups-filters-md5sum        "24bed15110499fd652d65d6baab85ca6">
  <!ENTITY cups-filters-size          "1.4 MB">
  <!ENTITY cups-filters-buildsize     "56 MB (with tests), 16 MB installed">
  <!ENTITY cups-filters-time          "0.2 SBU (Using parallelism=4; with tests)">
]>

<sect1 id="cups-filters" xreflabel="cups-filters-&cups-filters-version;">
  <?dbhtml filename="cups-filters.html"?>


  <title>cups-filters-&cups-filters-version;</title>

  <indexterm zone="cups-filters">
    <primary sortas="a-cups-filters">cups-filters</primary>
  </indexterm>

  <sect2 role="package">
    <title>Introduction to CUPS Filters</title>

    <para>
      The <application>CUPS Filters</application> package contains backends,
      filters and other software that was once part of the core
      <application>CUPS</application> distribution but is no longer
      maintained by Apple Inc.
    </para>

    &lfs113_checked;

    <bridgehead renderas="sect3">Package Information</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Download (HTTP): <ulink url="&cups-filters-download-http;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download (FTP): <ulink url="&cups-filters-download-ftp;"/>
        </para>
      </listitem>
      <listitem>
        <para>
          Download MD5 sum: &cups-filters-md5sum;
        </para>
      </listitem>
      <listitem>
        <para>
          Download size: &cups-filters-size;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated disk space required: &cups-filters-buildsize;
        </para>
      </listitem>
      <listitem>
        <para>
          Estimated build time: &cups-filters-time;
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">Additional Downloads</bridgehead>
    <itemizedlist spacing="compact">
      <listitem>
        <para>
          Required patch:
          <ulink url="&patch-root;/cups-filters-&cups-filters-version;-security_fix-1.patch"/>
        </para>
      </listitem>
    </itemizedlist>

    <bridgehead renderas="sect3">CUPS Filters Dependencies</bridgehead>

    <bridgehead renderas="sect4">Required</bridgehead>
    <para role="required">
      <xref linkend="cups"/>,
      <xref linkend="glib2"/>,
      <xref linkend="gs"/>,
      <xref linkend="lcms2"/>,
      <xref linkend="poppler"/>, and
      <xref linkend="qpdf"/>
    </para>

    <bridgehead renderas="sect4">Recommended</bridgehead>
    <para role="recommended">
      <xref linkend="dejavu-fonts"/> (the build fails if they are not
      installed, although they are only required for the tests),
      <xref linkend="libexif"/>,
      <xref linkend="libjpeg"/>,
      <xref linkend="libpng"/>,
      <xref linkend="libtiff"/>, and
      <xref linkend="mupdf"/> (mutool)
    </para>

    <bridgehead renderas="sect4">Optional</bridgehead>
    <para role="optional">
      <xref linkend="avahi"/> (required to build the DNSSD backend of the
      <command>cups-browsed</command> daemon, which is needed for operating
      some network printers),
      <xref linkend="openldap"/>,
      <xref linkend="php"/> (use of this might be broken),
      <ulink url="https://liblouis.github.io/downloads/">Liblouis (Braille)</ulink>, and
      <ulink url="https://liblouis.github.io/downloads/">Liblouisutdml (Braille)</ulink>
    </para>

    <bridgehead renderas="sect4">Optional printer drivers (runtime)</bridgehead>
    <para role="optional">
      <xref role="runtime" linkend="gutenprint"/> (for supported printers),
      or other printer drivers, such as <ulink role="runtime"
      url="https://sourceforge.net/projects/hplip/files/hplip/">hplip</ulink>
    </para>

    <para condition="html" role="usernotes">
      User Notes: <ulink url="&blfs-wiki;/cups-filters"/>
    </para>
  </sect2>

  <sect2 role="installation">
    <title>Installation of CUPS Filters</title>

<!--
    <para revision="systemd">
      First, fix the systemd unit file to work with
      <application>CUPS</application> 2.0 and later:
    </para>

<screen revision="systemd"><userinput>sed -i "s:cups.service:org.cups.cupsd.service:g" utils/cups-browsed.service</userinput></screen>
-->

    <para>
      First, fix a security vulnerability that can allow for remote code
      execution with the 'beh' printer backend:
    </para>

<screen><userinput remap="pre">patch -Np1 -i ../cups-filters-&cups-filters-version;-security_fix-1.patch</userinput></screen>

    <para>
      Install <application>CUPS Filters</application> by running the following
      commands:
    </para>

<screen><userinput>CXXFLAGS="$CXXFLAGS -std=c++17"  \
./configure --prefix=/usr        \
            --sysconfdir=/etc    \
            --localstatedir=/var \
            --without-rcdir      \
            --disable-static     \
            --disable-avahi      \
            --docdir=/usr/share/doc/cups-filters-&cups-filters-version; &amp;&amp;
make</userinput></screen>

<!-- The test suite still bombs out for me. I'll leave the instructions for it
     here though. I didn't have the Dejavu font installed, but used one of the
     ones installed by X.
     Version 1.16.0: test worked for me with "make check >testlog 2>&1",
     that is, the other way around. I have DejaVu fonts. Pierre L
     With 1.17.2 (and DejaVu) the test output is clean, no need for a log. Ken

     Tests are clean for version 1.21.0 (and version 1.21.5):  - Bruce
     # TOTAL: 6
     # PASS:  6
     real    0m2.504s -->

    <para>
      To test the results, issue:
      <!--<command>make check &gt;testlog 2&gt;&amp;1</command>.-->
      <command>make check</command>. DejaVu fonts
      are needed for the tests.
    </para>

    <para>
      Now, as the <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root"><userinput>make install</userinput></screen>

    <para revision="systemd">
      Install the systemd unit by running the following command as the
      <systemitem class="username">root</systemitem> user:
    </para>

<screen role="root" revision="systemd"><userinput>install -v -m644 utils/cups-browsed.service /lib/systemd/system/cups-browsed.service</userinput></screen>

  </sect2>

  <sect2 role="commands">
    <title>Command Explanations</title>

<!-- please comment this if no patches are currently needed -->
<!--<para>
      <parameter>patch -Np1 -i ../cups-filters-&cups-filters-version;-poppler71-1.patch</parameter>:
      Conditionally apply changes for recent versions of poppler.
    </para>
    Poppler-0.72.0, cups-filters-1.21.5 - no longer needed.-->

    <para>
      <envar>CXXFLAGS="$CXXFLAGS -std=c++17"</envar>: This environment
      variable is necessary to fix a problem introduced by qpdf-11.3.0.
    </para>

    <para>
      <parameter>--disable-avahi</parameter>: This switch is needed
      if the optional <xref linkend="avahi"/> is not installed. Remove
      it if avahi is installed and you need network printer discovery
      capabilities.
    </para>

    <para>
      <parameter>--without-rcdir</parameter>: This switch disables
      installation of the bundled bootscript which is not compatible
      with BLFS.
    </para>

<!-- Those are hard dependencies now
    <para>
      <parameter>- -with-gs-path=/usr/bin/gs</parameter>: This switch
      defines the path to the <application>GhostScript</application>
      binary in case <xref linkend="gs"/> is not installed at build time.
    </para>

    <para>
      <parameter>- -with-pdftops-path=/usr/bin/gs</parameter>: This switch
      defines the path to the <application>GhostScript</application>
      binary in case <xref linkend="gs"/> is not installed at build time.
    </para>
-->

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
      href="../../xincludes/static-libraries.xml"/>
    <!--
    <para>
      <option>- -enable-ijs</option>: This switch will allow the pdftoijs
      filter, for sending PDFs to an HP InkJet Server, to be built.
    </para>
    -->

    <para>
      <option>--with-test-font-path=<replaceable>VALUE</replaceable></option>:
      If you wish to run the tests, but
      you do not have the default
      <filename>/usr/share/fonts/dejavu/DejaVuSans.ttf</filename> use this
      switch to specify where <filename>DejaVuSans.ttf</filename> (or perhaps
      some other text TTF font - untested) is located.
    </para>


  </sect2>

<!-- TODO: Write a bootscript for cups-browsed -->

  <sect2 role="configuration" revision="systemd">
    <title>Configuring CUPS Filters</title>

    <sect3 id="cups-filters-init">
      <title>Systemd Units</title>

      <para>
        To start the <command>cups-browsed</command> daemon at boot, enable
        the previously installed systemd unit by running the following command
        as the <systemitem class="username">root</systemitem> user:
      </para>

      <indexterm zone="cups-filters cups-filters-init">
        <primary sortas="f-cups-browsed">cups-browsed</primary>
      </indexterm>

<screen role="root"><userinput>systemctl enable cups-browsed</userinput></screen>

    </sect3>

  </sect2>

  <sect2 role="content">
    <title>Contents</title>

    <segmentedlist>
      <segtitle>Installed Programs</segtitle>
      <segtitle>Installed Libraries</segtitle>
      <segtitle>Installed Directories</segtitle>

      <seglistitem>
        <seg>
          cups-browsed, driverless, driverless-fax, and foomatic-rip
          <!-- and ttfread -->
        </seg>
        <seg>
          libcupsfilters.so and libfontembed.so
        </seg>
        <seg>
          /usr/include/{cupsfilters,fontembed},
           /usr/lib/cups/{backend,driver,filter},
          /usr/share/cups/{braille,charsets},
          /usr/share/doc/cups-filters-&cups-filters-version;, and
          /usr/share/ppd/cupsfilters
        </seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="cups-browsed">
        <term><command>cups-browsed</command></term>
        <listitem>
          <para>
            is a daemon for browsing the Bonjour and CUPS broadcasts of shared,
            remote CUPS printers
          </para>
          <indexterm zone="cups-filters cups-browsed">
            <primary sortas="b-cups-browsed">cups-browsed</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="driverless">
        <term><command>driverless</command></term>
        <listitem>
          <para>
            is a PPD generator utility for driverless printing
          </para>
          <indexterm zone="cups-filters driverless">
            <primary sortas="b-driverless">driverless</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="driverless-fax">
        <term><command>driverless-fax</command></term>
        <listitem>
          <para>
            is a wrapper to <command>driverless</command> for FAX type devices
          </para>
          <indexterm zone="cups-filters driverless-fax">
            <primary sortas="b-driverless-fax">driverless-fax</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="foomatic-rip">
        <term><command>foomatic-rip</command></term>
        <listitem>
          <para>
            is a universal print filter/RIP wrapper which can be used as CUPS
            filter or stand-alone for spooler-less, direct printing
          </para>
          <indexterm zone="cups-filters foomatic-rip">
            <primary sortas="b-foomatic-rip">foomatic-rip</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libcupsfilters">
        <term><filename class="libraryfile">libcupsfilters.so</filename></term>
        <listitem>
          <para>
            contains <application>CUPS Filters</application> API functions
          </para>
          <indexterm zone="cups-filters libcupsfilters">
            <primary sortas="c-libcupsfilters">libcupsfilters.so</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>