lfs-book/chapter06/file.xml

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<!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-file" role="wrap">
  <?dbhtml filename="file.html"?>

  <sect1info condition="script">
    <productname>file</productname>
    <productnumber>&file-version;</productnumber>
    <address>&file-url;</address>
  </sect1info>

  <title>File-&file-version;</title>

  <indexterm zone="ch-system-file">
    <primary sortas="a-File">File</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>The File package contains a utility for determining the type of a given
    file or files.</para>

    <segmentedlist>
      <segtitle>&buildtime;</segtitle>
      <segtitle>&diskspace;</segtitle>

      <seglistitem>
        <seg>&file-ch6-sbu;</seg>
        <seg>&file-ch6-du;</seg>
      </seglistitem>
    </segmentedlist>

  </sect2>

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

    <para>Prepare File for compilation:</para>

<screen><userinput remap="configure">./configure --prefix=/usr</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>To test the results, issue:</para>

<screen><userinput remap="test">make check</userinput></screen>

    <para>Install the package:</para>

<screen><userinput remap="install">make install</userinput></screen>

  </sect2>

  <!-- ~~~~~~~~~~~~~~~~~~~~ ABI 32 ~~~~~~~~~~~~~~~~~~~~ -->
  
  <sect2 arch="ml_32,ml_all" role="installation">
    <title>Installation of File - 32-bit</title>

    <para>Clean previous build:</para>

<screen><userinput remap="pre">make distclean</userinput></screen>

    <para>Prepare File for compilation:</para>

<screen><userinput remap="configure">CC="gcc -m32" ./configure \
    --prefix=/usr         \
    --libdir=/usr/lib32   \
    --host=i686-pc-linux-gnu</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>Install the package:</para>

<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
cp -Rv DESTDIR/usr/lib32/* /usr/lib32
rm -rf DESTDIR</userinput></screen>

  </sect2>

  <!-- ~~~~~~~~~~~~~~~~~~~~ ABI x32 ~~~~~~~~~~~~~~~~~~~~ -->
  
  <sect2 arch="ml_x32,ml_all" role="installation">
    <title>Installation of File - x32-bit</title>

    <para>Clean previous build:</para>

<screen><userinput remap="pre">make distclean</userinput></screen>

    <para>Prepare File for compilation:</para>

<screen><userinput remap="configure">CC="gcc -mx32" ./configure \
    --prefix=/usr          \
    --libdir=/usr/libx32   \
    --host=x86_64-pc-linux-gnux32</userinput></screen>

    <para>Compile the package:</para>

<screen><userinput remap="make">make</userinput></screen>

    <para>Install the package:</para>

<screen><userinput remap="install">make DESTDIR=$PWD/DESTDIR install
cp -Rv DESTDIR/usr/libx32/* /usr/libx32
rm -rf DESTDIR</userinput></screen>

  </sect2>

  <sect2 id="contents-file" role="content">
    <title>Contents of File</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>
      <segtitle>Installed library</segtitle>

      <seglistitem>
        <seg>file</seg>
        <seg>libmagic.so</seg>
      </seglistitem>
    </segmentedlist>

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

      <varlistentry id="file">
        <term><command>file</command></term>
        <listitem>
          <para>Tries to classify each given file; it does this by performing
          several tests&mdash;file system tests, magic number tests, and language
          tests</para>
          <indexterm zone="ch-system-file file">
            <primary sortas="b-file">file</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libmagic">
        <term><filename class="libraryfile">libmagic</filename></term>
        <listitem>
          <para>Contains routines for magic number recognition, used by the
          <command>file</command> program</para>
          <indexterm zone="ch-system-file libmagic">
            <primary sortas="c-libmagic">libmagic</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>