source: BOOK/temp-system/common/gmp.xml@ 427e466

<?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-temp-system-gmp" role="wrap">
  <?dbhtml filename="gmp.html"?>

  <title>GMP-&gmp-version;</title>

  <indexterm zone="ch-temp-system-gmp">
    <primary sortas="a-GMP">GMP</primary>
    <secondary>temporary system</secondary>
  </indexterm>

  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
  href="../../final-system/common/gmp.xml"
  xpointer="xpointer(//*[@role='package'])"/>

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

<!--
    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
    href="../../final-system/common/gmp.xml"
    xpointer="xpointer(//*[@os='p1'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
    href="../../final-system/common/gmp.xml"
    xpointer="xpointer(//*[@os='p2'])"/>
-->

    <para os="a">As with the Cross-Tools, we will compile GMP, MPFR, MPC, and
    ISL so that GCC can use them, though this time we will
    cross-compile them into <filename class="directory">/tools</filename>.</para>

    <para os="b">Prepare GMP for compilation:</para>

<screen os="c"><userinput>CC_FOR_BUILD=gcc \
./configure \
    --prefix=/tools \
    --build=${CLFS_HOST} \
    --host=${CLFS_TARGET} \
    --enable-cxx</userinput></screen>

    <variablelist os="ca">
      <title>The meaning of the new configure option:</title>

      <varlistentry os="ca1">
        <term><parameter>CC_FOR_BUILD=gcc</parameter></term>
        <listitem>
          <para>Tells <command>configure</command> to use the host's
          <command>gcc</command> instead of our cross-compiler to build
          native tools it needs while compiling.</para>
        </listitem>
      </varlistentry>

    </variablelist>

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

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

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

<screen os="g"><userinput>make install</userinput></screen>

  </sect2>

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

    <para>Details on this package are located in <xref
    linkend="contents-gmp" role="."/></para>

  </sect2>

</sect1>