| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 | ]>
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| 7 |
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| 8 | <sect1 id="ch-system-perl" role="wrap">
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| 9 | <?dbhtml filename="perl-64bit.html"?>
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| 10 |
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| 11 | <title>Perl-&perl-version;</title>
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| 12 |
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| 13 | <indexterm zone="ch-system-perl">
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| 14 | <primary sortas="a-Perl">Perl</primary>
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| 15 | </indexterm>
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| 16 |
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| 17 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 18 | href="../common/perl.xml"
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| 19 | xpointer="xpointer(//*[@role='package'])"/>
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| 20 |
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| 21 | <sect2 role="installation">
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| 22 | <title>Installation of Perl</title>
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| 23 |
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| 24 | <para os="m1">In multilib builds we install compilers and libraries for each available
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| 25 | architecture. The description below says that perl installs several hundred
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| 26 | libraries, but they are used by invoking <command>perl</command>, not by linking
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| 27 | to them with <command>ld</command>. Although it is possible to install perl for
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| 28 | 32 bits, move it to a different name, and then install the 64-bit version, it is
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| 29 | almost always invoked as just <command>perl</command>. That means only the
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| 30 | libraries and modules for the last version installed will be accessible. We
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| 31 | therefore only install one version.</para>
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| 32 |
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| 33 | <para os="p1">Perl does not, by default, know about library directories with names other
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| 34 | than lib, such as lib64. The following patch will allow it to install to lib64.</para>
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| 35 |
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| 36 | <screen os="p2"><userinput>patch -Np1 -i ../&perl-multilib-patch;</userinput></screen>
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| 37 |
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| 38 | <para os="p3">There is a further (possibly cosmetic) anomaly - if we install perl and
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| 39 | then run <command>perl -V</command> it will claim that libc is in /lib. The
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| 40 | following patch fixes this, but only takes effect when <command>make install
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| 41 | </command> is run.</para>
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| 42 |
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| 43 | <screen os="p4"><userinput>patch -Np1 -i ../&perl-lib64-patch;</userinput></screen>
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| 44 |
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| 45 | <para os="m2">We still need to tell perl to actually use lib64</para>
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| 46 |
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| 47 | <screen os="m3"><userinput>echo 'installstyle="lib64/perl5"' >>hints/linux.sh</userinput></screen>
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| 48 |
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| 49 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 50 | href="../common/perl.xml"
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| 51 | xpointer="xpointer(//*[@os='a00'])"/>
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| 52 |
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| 53 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 54 | href="../common/perl.xml"
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| 55 | xpointer="xpointer(//*[@os='a01'])"/>
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| 56 |
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| 57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 58 | href="../common/perl.xml"
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| 59 | xpointer="xpointer(//*[@os='a'])"/>
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| 60 |
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| 61 | <screen os="b"><userinput>./configure.gnu --prefix=/usr -Dpager="/bin/less -isR" \
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| 62 | -Dlibpth="/usr/local/lib64 /lib64 /usr/lib64" \
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| 63 | -Dcc="gcc ${BUILD64}"</userinput></screen>
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| 64 |
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| 65 | <variablelist os="m4">
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| 66 | <title>The meaning of the new configure option:</title>
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| 67 |
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| 68 | <varlistentry>
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| 69 | <term><parameter>-Dlibpth="/usr/local/lib64 /lib64 /usr/lib64"</parameter></term>
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| 70 | <listitem>
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| 71 | <para>This tells Perl to link against the 64-bit libraries.</para>
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| 72 | </listitem>
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| 73 | </varlistentry>
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| 74 |
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| 75 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 76 | href="../common/perl.xml"
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| 77 | xpointer="xpointer(//*[@os='c1'])"/>
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| 78 |
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| 79 | </variablelist>
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| 80 |
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| 81 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 82 | href="../common/perl.xml"
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| 83 | xpointer="xpointer(//*[@os='d'])"/>
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| 84 |
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| 85 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 86 | href="../common/perl.xml"
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| 87 | xpointer="xpointer(//*[@os='e'])"/>
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| 88 |
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| 89 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 90 | href="../common/perl.xml"
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| 91 | xpointer="xpointer(//*[@os='h'])"/>
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| 92 |
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| 93 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 94 | href="../common/perl.xml"
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| 95 | xpointer="xpointer(//*[@os='i'])"/>
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| 96 |
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| 97 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 98 | href="../common/perl.xml"
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| 99 | xpointer="xpointer(//*[@os='j'])"/>
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| 100 |
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| 101 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 102 | href="../common/perl.xml"
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| 103 | xpointer="xpointer(//*[@os='k'])"/>
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| 104 |
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| 105 | </sect2>
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| 106 |
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| 107 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 108 | href="../common/perl.xml"
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| 109 | xpointer="xpointer(id('contents-perl'))"/>
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| 110 |
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| 111 | </sect1>
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