[3f8be484] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[aa18ac0] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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[3f8be484] | 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-libtool-32" role="wrap">
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| 9 | <?dbhtml filename="libtool.html"?>
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| 10 |
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| 11 | <title>Libtool-&libtool-version; 32 Bit Libraries</title>
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| 12 |
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[d3a0268] | 13 | <!-- with the introduction of an LDEMULATION on make check, to fix a test
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| 14 | failure which has appeared for unknown reasons, this text is now specific
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| 15 | to mips -o32. -->
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| 16 |
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[3f8be484] | 17 | <indexterm zone="ch-system-libtool-32">
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| 18 | <primary sortas="a-Libtool">Libtool</primary>
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| 19 | <secondary>32 Bit</secondary>
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| 20 | </indexterm>
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| 21 |
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[566db8e] | 22 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 23 | href="../common/libtool.xml"
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| 24 | xpointer="xpointer(//*[@role='package'])"/>
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[3f8be484] | 25 |
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| 26 | <sect2 role="installation">
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| 27 | <title>Installation of Libtool</title>
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| 28 |
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[8aa6f1c2] | 29 | <para os="a1">The following <filename>config.cache</filename> entry sets
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| 30 | overrides the default search path. The default search path does not take
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| 31 | multilib into account:</para>
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| 32 |
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| 33 | <screen os="a2"><userinput>echo "lt_cv_sys_dlsearch_path='/lib /usr/lib /usr/local/lib /opt/lib'" > config.cache</userinput></screen>
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| 34 |
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[3f8be484] | 35 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 36 | href="../common/libtool.xml"
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| 37 | xpointer="xpointer(//*[@os='a'])"/>
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| 38 |
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[8aa6f1c2] | 39 | <screen os="b"><userinput>CC="gcc ${BUILD32}" ./configure --prefix=/usr \
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| 40 | --cache-file=config.cache</userinput></screen>
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[3f8be484] | 41 |
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| 42 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 43 | href="../common/libtool.xml"
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| 44 | xpointer="xpointer(//*[@os='c'])"/>
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| 45 |
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| 46 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 47 | href="../common/libtool.xml"
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| 48 | xpointer="xpointer(//*[@os='d'])"/>
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| 49 |
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[d3a0268] | 50 | <para os="e">To test the results, first identify whether you are on a big- or
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| 51 | little-endian machine. SGI machines are usually big-endian, Cobalt are
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| 52 | usually little-endian. If in doubt you can <command>echo ${MACHTYPE} | grep 'el-'
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| 53 | </command>- this will match a little-endian machine.</para>
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| 54 |
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| 55 | <para os="e2">To test on a little-endian machine issue:
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| 56 | <userinput>make LDEMULATION=elf32ltsmip check</userinput>.</para>
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| 57 |
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| 58 | <para os="e1">To test on a big-endian machine issue:
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| 59 | <userinput>make LDEMULATION=elf32btsmip check</userinput>.</para>
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| 60 |
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| 61 | <variablelist os="c">
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| 62 | <title>The meaning of the override on make check:</title>
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| 63 |
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| 64 | <varlistentry>
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| 65 | <term><parameter>LDEMULATION=[emulation]</parameter></term>
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| 66 | <!-- <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 67 | href="../ppc64/libtool.xml"
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| 68 | xpointer="xpointer(//*[@os='c2'])"/> -->
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| 69 | <listitem os="c2">
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| 70 | <para>Libtool tends to do the wrong thing when building for multilib,
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[b37b740b] | 71 | at least on the non-default size(s) of architecture. The causes of
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[d3a0268] | 72 | these errors are not well understood and they can appear, or disappear,
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| 73 | as a result of apparently innocuous other changes in the build. In
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| 74 | this version of the book, one of the tests (pdemo-make) fails to link
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| 75 | because it tries to link the 32-bit objects against 64-bit system
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| 76 | libraries. This option enables the test to succeed without impacting
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| 77 | the other tests (compare the common alternative fixes of
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| 78 | <literal>LD="gcc ${BUILD32}"</literal> which causes far fewer tests
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| 79 | to be executed, and configuring with
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| 80 | <literal>LDFLAGS='-L/lib -L/usr/lib'</literal> which in this case
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| 81 | causes other tests to fail.)</para>
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| 82 | </listitem>
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| 83 | </varlistentry>
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| 84 |
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| 85 | </variablelist>
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[3f8be484] | 86 |
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| 87 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 88 | href="../common/libtool.xml"
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| 89 | xpointer="xpointer(//*[@os='f'])"/>
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| 90 |
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[e0e40d3] | 91 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 92 | href="../common/libtool.xml"
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| 93 | xpointer="xpointer(//*[@os='g'])"/>
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| 94 |
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[5e0e6ec] | 95 | <para os="m1">Prepare <filename>libtool</filename> to be wrapped by
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| 96 | the multiarch wrapper. Libtool by itself is not multilib aware:</para>
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| 97 |
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| 98 | <screen os="m2"><userinput>mv -v /usr/bin/libtool{,-32}</userinput></screen>
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| 99 |
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[3f8be484] | 100 | </sect2>
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| 101 |
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| 102 | <sect2 role="content">
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| 103 | <title/>
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| 104 |
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| 105 | <para>Details on this package are located in <xref
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| 106 | linkend="contents-libtool" role="."/></para>
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| 107 |
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| 108 | </sect2>
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| 109 |
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| 110 | </sect1>
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