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  <chapter id="bbv2.installation">
    <title>Installation</title>

    <para>
      To install Boost.Build from an official release or a nightly build, as
      available on the <ulink url="http://boost.org/boost-build2">official web site</ulink>,
      follow these steps:
    </para>

    <orderedlist>
      <listitem>
        <simpara>
          Unpack the release. On the command line, go to the root of the
          unpacked tree.
        </simpara>
      </listitem>

      <listitem>
        <simpara>
          Run either <command>.\bootstrap.bat</command> (on Windows), or
          <command>./bootstrap.sh</command> (on other operating systems).
        </simpara>
      </listitem>

      <listitem>
        <simpara>
          Run 
          <screen>./bjam install --prefix=<replaceable>PREFIX</replaceable></screen>
          where <replaceable>PREFIX</replaceable> is a directory where you
          want Boost.Build to be installed.
        </simpara>
      </listitem>

      <listitem>
        <simpara>
          Optionally, add <filename><replaceable>PREFIX</replaceable>/bin</filename>
          to your <envar>PATH</envar> environment variable.
        </simpara>
      </listitem>
    </orderedlist>

    <para>If you are not using Boost.Build package, but rather the version
    bundled with the Boost C++ Libraries, the above commands should be run
    in the <filename>tools/build/v2</filename> directory.</para>

    <para>
      Now that Boost.Build is installed, you can try some of examples. Copy
      <filename><replaceable>PREFIX</replaceable>/share/boost-build/examples/hello</filename>
      to a different directory, then change to that directory and run:
<screen><filename><replaceable>PREFIX</replaceable>/bin/bjam</filename></screen>
      A simple executable should be built.
    </para>

      <!--
      <simpara>
          Configure Boost.Build to recognize the build resources (such
          as compilers and libraries) you have installed on your
          system.  Open the
          <filename>user-config.jam</filename> file in the Boost.Build
          root directory and follow the instructions there to describe
          your toolsets and libraries, and, if necessary, where they
          are located.
        </simpara>
      </listitem>
      -->

    <!-- This part should not go into intoduction docs, but we need to
         place it somewhere. 

    <para>It is slighly better way is to copy
    <filename>new/user-config.jam</filename> into one of the locations
    where it can be found (given in <link linkend=
    "bbv2.reference.init.config">this table</link>). This prevent you
    from accidentally overwriting your config when updating.</para>

    -->

    <!--
    <bridgehead>Information for distributors</bridgehead>

        <para>
          If you're planning to package Boost.Build for a Linux distribution,
          please follow these guidelines:

          <itemizedlist>
            <listitem><para>Create a separate package for Boost.Jam.</para></listitem>

            <listitem>
              <para>Create another package for Boost.Build, and make
              this package install all Boost.Build files to
              <filename>/usr/share/boost-build</filename> directory. After
              install, that directory should contain everything you see in
              Boost.Build release package, except for
              <filename>jam_src</filename> directory.  If you're using Boost CVS
              to obtain Boost.Build, as opposed to release package, take
              everything from the <filename>tools/build/v2</filename> directory.
              For a check, make sure that
              <filename>/usr/share/boost-build/boost-build.jam</filename> is installed.
              </para>

              <para>Placing Boost.Build into <filename>/usr/share/boost-build</filename>
              will make sure that <command>bjam</command> will find Boost.Build
              without any additional setup.</para>
            </listitem>

            <listitem><para>Provide a
            <filename>/etc/site-config.jam</filename> configuration file that will
            contain:
<programlisting>
using gcc ;
</programlisting>
             You might want to add dependency from Boost.Build package to gcc,
             to make sure that users can always build Boost.Build examples.
            </para></listitem>
          </itemizedlist>
        </para>

        <para>If those guidelines are met, users will be able to invoke
        <command>bjam</command> without any explicit configuration.
        </para>

    
      -->


  </chapter>

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