[86c5b20] | 1 | <sect1 id="ch06-glibc">
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[793c2f7] | 2 | <title>Installing Glibc-&glibc-version;</title>
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[576e206] | 3 | <?dbhtml filename="glibc.html" dir="chapter06"?>
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[6370fa6] | 4 |
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[78ec17a2] | 5 | <screen>Estimated build time: &glibc-time;
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[6403026] | 6 | Estimated required disk space: &glibc-compsize;</screen>
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[3554fa3a] | 7 |
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[9cb6916] | 8 | &aa-glibc-shortdesc;
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[9b29852] | 9 | &aa-glibc-dep;
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[73aedd1d] | 10 |
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| 11 | <sect2><title> </title><para> </para></sect2>
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| 12 |
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| 13 | <sect2>
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| 14 | <title>Glibc installation</title>
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| 15 |
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| 16 | <para>The Glibc build system is very well self-contained and will install
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| 17 | perfectly, even though our compiler specs file and linker are still pointing
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| 18 | at <filename>/tools</filename>. We cannot adjust the specs and linker before
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| 19 | the Glibc install, because the Glibc autoconf tests would then give bogus
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| 20 | results and thus defeat our goal of achieving a clean build.</para>
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| 21 |
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| 22 | <note><para>The test suite for Glibc in this section is considered
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| 23 | <emphasis>critical</emphasis>. Our advice is to not skip it under any
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| 24 | circumstance.</para></note>
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| 25 |
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| 26 | <para>Before starting to build Glibc, remember to unpack the Glibc-linuxthreads
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| 27 | again inside the <filename>glibc-&glibc-version;</filename> directory, and to
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| 28 | unset any environment variables that override the default optimization
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| 29 | flags.</para>
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| 30 |
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| 31 | <para>Though it is a harmless message, the install stage of Glibc will
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| 32 | complain about the absence of <filename>/etc/ld.so.conf</filename>. Fix this
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| 33 | annoying little warning with:</para>
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| 34 |
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| 35 | <screen><userinput>touch /etc/ld.so.conf</userinput></screen>
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| 36 |
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| 37 | <para>Then apply the same patch we used previously:</para>
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| 38 |
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| 39 | <screen><userinput>patch -Np1 -i ../&glibc-sscanf-patch;</userinput></screen>
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| 40 |
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| 41 | <para>The Glibc documentation recommends building Glibc outside of the source
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| 42 | directory in a dedicated build directory:</para>
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| 43 |
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| 44 | <screen><userinput>mkdir ../glibc-build
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| 45 | cd ../glibc-build</userinput></screen>
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| 46 |
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| 47 | <para>Now prepare Glibc for compilation:</para>
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| 48 |
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| 49 | <screen><userinput>../glibc-&glibc-version;/configure --prefix=/usr \
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| 50 | --disable-profile --enable-add-ons \
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| 51 | --libexecdir=/usr/bin --with-headers=/usr/include</userinput></screen>
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| 52 |
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| 53 | <para>The meaning of the new configure options:</para>
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| 54 |
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| 55 | <itemizedlist>
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| 56 | <listitem><para><userinput>--libexecdir=/usr/bin</userinput>: This will
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| 57 | cause the <filename>pt_chown</filename> program to be installed in the
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| 58 | <filename>/usr/bin</filename> directory.</para></listitem>
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| 59 |
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| 60 | <listitem><para><userinput>--with-headers=/usr/include</userinput>: This
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| 61 | ensures that the kernel headers in <filename>/usr/include</filename> are used
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| 62 | for this build. If you don't pass this switch then the headers from
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| 63 | <filename>/tools/include</filename> are used which of course is not ideal
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| 64 | (although they should be identical). Using this switch has the advantage
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| 65 | that you will be informed immediately should you have forgotten to install the
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| 66 | kernel headers into <filename>/usr/include</filename>.</para></listitem>
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| 67 | </itemizedlist>
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| 68 |
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| 69 | <para>Compile the package:</para>
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| 70 |
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| 71 | <screen><userinput>make</userinput></screen>
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| 72 |
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| 73 | <para>Test the results:</para>
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| 74 |
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| 75 | <screen><userinput>make check</userinput></screen>
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| 76 |
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| 77 | <para>The test suite notes from <xref linkend="ch05-glibc"/> are still very much
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| 78 | appropriate here. Be sure to refer back there should you have any doubts.</para>
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| 79 |
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| 80 | <para>And install the package:</para>
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| 81 |
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| 82 | <screen><userinput>make install</userinput></screen>
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| 83 |
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| 84 | <para>The locales that can make your system respond in a different language
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| 85 | weren't installed by the above command. Do it with this:</para>
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| 86 |
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| 87 | <screen><userinput>make localedata/install-locales</userinput></screen>
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| 88 |
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| 89 | <para>An alternative to running the previous command is to install only those
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| 90 | locales which you need or want. This can be achieved using the
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| 91 | <userinput>localedef</userinput> command. Information on this can be found in
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| 92 | the <filename>INSTALL</filename> file in the
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| 93 | <filename>glibc-&glibc-version;</filename> tree. However, there are a number
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| 94 | of locales that are essential for the tests of future packages to pass
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| 95 | correctly. The following instructions, in place of the install-locales
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| 96 | command above, will install the minimum set of locales necessary for the
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| 97 | tests to run successfully:</para>
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| 98 |
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| 99 | <screen><userinput>mkdir -p /usr/lib/locale
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| 100 | localedef -i de_DE -f ISO-8859-1 de_DE
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| 101 | localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
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| 102 | localedef -i en_HK -f ISO-8859-1 en_HK
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| 103 | localedef -i en_PH -f ISO-8859-1 en_PH
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| 104 | localedef -i en_US -f ISO-8859-1 en_US
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| 105 | localedef -i es_MX -f ISO-8859-1 es_MX
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| 106 | localedef -i fr_FR -f ISO-8859-1 fr_FR
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| 107 | localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
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| 108 | localedef -i it_IT -f ISO-8859-1 it_IT
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| 109 | localedef -i ja_JP -f EUC-JP ja_JP</userinput></screen>
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| 110 |
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| 111 | <para>Finally, build the linuxthreads man pages:</para>
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| 112 |
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| 113 | <screen><userinput>make -C ../&glibc-dir;/linuxthreads/man</userinput></screen>
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| 114 |
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| 115 | <para>And install these pages:</para>
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| 116 |
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| 117 | <screen><userinput>make -C ../&glibc-dir;/linuxthreads/man install</userinput></screen>
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| 118 |
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| 119 | </sect2>
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[49f4dd5] | 120 | &c6-cf-glibc;
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[6370fa6] | 121 | </sect1>
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[4931dd3] | 122 |
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