source: BOOK/final-system/multilib/gmp-64bit.xml

<?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-gmp" role="wrap">
  <?dbhtml filename="gmp-64bit.html"?>

  <title>GMP-&gmp-version; 64 Bit</title>

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

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

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

-->
    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
    href="../common/gmp.xml"
    xpointer="xpointer(//*[@os='n1'])"/>

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

<screen os="b"><userinput>CC="gcc -isystem /usr/include ${BUILD64}" \
CXX="g++ -isystem /usr/include ${BUILD64}" \
LDFLAGS="-Wl,-rpath-link,/usr/lib64:/lib64 ${BUILD64}" \
./configure \
    --prefix=/usr \
    --libdir=/usr/lib64 \
    --enable-cxx \
    --docdir=/usr/share/doc/gmp-&gmp-version;</userinput></screen>

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

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

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

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

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

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

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

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

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

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

    <para os="m">Create the 64bit header file:</para>

<screen os="n"><userinput>mv -v /usr/include/gmp{,-64}.h</userinput></screen>

    <para os="o">Finally, create a stub header in the place of the originals:</para>

<screen os="p"><userinput>cat &gt; /usr/include/gmp.h &lt;&lt; "EOF"
/* gmp.h - Stub Header  */
#ifndef __STUB__GMP_H__
#define __STUB__GMP_H__

#if defined(__x86_64__) || \
    defined(__sparc64__) || \
    defined(__arch64__) || \
    defined(__powerpc64__) || \
    defined (__s390x__)
# include "gmp-64.h"
#else
# include "gmp-32.h"
#endif

#endif /* __STUB__GMP_H__ */
EOF</userinput></screen>

  </sect2>

  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
  href="../common/gmp.xml"
  xpointer="xpointer(id('contents-gmp'))"/>

</sect1>