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<?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;
]>

<sect1 id="ch-system-patch" role="wrap">
  <?dbhtml filename="patch.html"?>

  <title>Patch-&patch-version;</title>

  <indexterm zone="ch-system-patch">
    <primary sortas="a-Patch">Patch</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The Patch package contains a program for modifying or creating
    files by applying a <quote>patch</quote> file typically created by the
    <command>diff</command> program.</para>

  </sect2>

  &env-target;

  <sect2 role="installation">
    <title>Installation of Patch</title>

    <para os="a">Configure would like to hardcode the full path to
    <command>ed</command>. When <command>ed</command> isn't found it falls
    back on just "<command>ed</command>". Since <command>ed</command>
    isn't installed by default but it may be installed on the host, Lets
    force the fallback value.</para>

<screen os="b"><userinput>cat &gt; config.cache &lt;&lt; EOF
ac_cv_path_ed_PROGRAM=ed
EOF</userinput></screen>

    <para os="c">Prepare Patch for compilation:</para>

<screen os="d"><userinput>./configure --build=${CLFS_HOST} --host=${CLFS_TARGET} \
    --prefix=/usr --cache-file=config.cache</userinput></screen>

    <para os="e">Compile the package:</para>

<screen os="f"><userinput>make</userinput></screen>

    <para os="g">Install the package:</para>

<screen os="h"><userinput>make prefix=${CLFS}/usr install</userinput></screen>

  </sect2>

  <sect2 id="contents-patch" role="content">
    <title>Contents of Patch</title>

    <segmentedlist>
      <segtitle>Installed program</segtitle>

      <seglistitem>
        <seg>patch</seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="patch">
        <term><command>patch</command></term>
        <listitem>
          <para>Modifies files according to a patch file. A patch file is
          normally a difference listing created with the <command>diff</command>
          program. By applying these differences to the original files,
          <command>patch</command> creates the patched versions.</para>
          <indexterm zone="ch-system-patch patch">
            <primary sortas="b-patch">patch</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>