[3be4d97] | 1 | <sect1 id="ch-system-glibc" xreflabel="Glibc">
|
---|
[793c2f7] | 2 | <title>Installing Glibc-&glibc-version;</title>
|
---|
[576e206] | 3 | <?dbhtml filename="glibc.html" dir="chapter06"?>
|
---|
[6370fa6] | 4 |
|
---|
[5888299] | 5 | <para>The Glibc package contains the main C library. This library provides all
|
---|
| 6 | the basic routines for allocating memory, searching directories, opening and
|
---|
| 7 | closing files, reading and writing them, string handling, pattern matching,
|
---|
| 8 | arithmetic, and so on.</para>
|
---|
| 9 |
|
---|
[69276a94] | 10 | <screen>&buildtime; &glibc-time;
|
---|
| 11 | &diskspace; &glibc-compsize;</screen>
|
---|
[3554fa3a] | 12 |
|
---|
[5888299] | 13 | &aa-glibc-down;
|
---|
[d0dfce4] | 14 | &aa-glibc-dep;
|
---|
[73aedd1d] | 15 |
|
---|
| 16 | <sect2><title> </title><para> </para></sect2>
|
---|
| 17 |
|
---|
| 18 | <sect2>
|
---|
[5888299] | 19 | <title>Installation of Glibc</title>
|
---|
[73aedd1d] | 20 |
|
---|
| 21 | <para>The Glibc build system is very well self-contained and will install
|
---|
| 22 | perfectly, even though our compiler specs file and linker are still pointing
|
---|
| 23 | at <filename>/tools</filename>. We cannot adjust the specs and linker before
|
---|
| 24 | the Glibc install, because the Glibc autoconf tests would then give bogus
|
---|
| 25 | results and thus defeat our goal of achieving a clean build.</para>
|
---|
| 26 |
|
---|
[d0a6c4c] | 27 | <para>Before starting to build Glibc, remember to unset any environment
|
---|
| 28 | variables that override the default optimization flags.</para>
|
---|
[73aedd1d] | 29 |
|
---|
| 30 | <para>The Glibc documentation recommends building Glibc outside of the source
|
---|
| 31 | directory in a dedicated build directory:</para>
|
---|
| 32 |
|
---|
| 33 | <screen><userinput>mkdir ../glibc-build
|
---|
| 34 | cd ../glibc-build</userinput></screen>
|
---|
| 35 |
|
---|
| 36 | <para>Now prepare Glibc for compilation:</para>
|
---|
| 37 |
|
---|
[d0a6c4c] | 38 | <screen><userinput>../&glibc-dir;/configure --prefix=/usr \
|
---|
| 39 | --disable-profile --enable-add-ons=linuxthreads \
|
---|
| 40 | --libexecdir=/usr/lib --with-headers=/usr/include \
|
---|
| 41 | --without-cvs</userinput></screen>
|
---|
[73aedd1d] | 42 |
|
---|
| 43 | <para>The meaning of the new configure options:</para>
|
---|
| 44 |
|
---|
| 45 | <itemizedlist>
|
---|
[c1b2c648] | 46 | <listitem><para><userinput>--libexecdir=/usr/lib</userinput>: This changes the
|
---|
| 47 | location of the <filename>pt_chown</filename> program from its default of
|
---|
| 48 | <filename class="directory">/usr/libexec</filename> to
|
---|
| 49 | <filename class="directory">/usr/lib</filename>. The use of
|
---|
[5c8d965] | 50 | <emphasis>libexec</emphasis> is considered not to be FHS-compliant because the
|
---|
| 51 | FHS doesn't even mention it.</para></listitem>
|
---|
[c1b2c648] | 52 |
|
---|
[73aedd1d] | 53 | <listitem><para><userinput>--with-headers=/usr/include</userinput>: This
|
---|
| 54 | ensures that the kernel headers in <filename>/usr/include</filename> are used
|
---|
| 55 | for this build. If you don't pass this switch then the headers from
|
---|
| 56 | <filename>/tools/include</filename> are used which of course is not ideal
|
---|
| 57 | (although they should be identical). Using this switch has the advantage
|
---|
| 58 | that you will be informed immediately should you have forgotten to install the
|
---|
| 59 | kernel headers into <filename>/usr/include</filename>.</para></listitem>
|
---|
| 60 | </itemizedlist>
|
---|
| 61 |
|
---|
| 62 | <para>Compile the package:</para>
|
---|
| 63 |
|
---|
| 64 | <screen><userinput>make</userinput></screen>
|
---|
| 65 |
|
---|
[90afe40d] | 66 | <important><para>The test suite for Glibc in this section is considered
|
---|
| 67 | <emphasis>critical</emphasis>. Our advice is to not skip it under any
|
---|
| 68 | circumstance.</para></important>
|
---|
| 69 |
|
---|
[73aedd1d] | 70 | <para>Test the results:</para>
|
---|
| 71 |
|
---|
| 72 | <screen><userinput>make check</userinput></screen>
|
---|
| 73 |
|
---|
[3be4d97] | 74 | <para>The test suite notes from <xref linkend="ch-tools-glibc"/> are still very much
|
---|
[73aedd1d] | 75 | appropriate here. Be sure to refer back there should you have any doubts.</para>
|
---|
| 76 |
|
---|
[1caa48e] | 77 | <para>Though it is a harmless message, the install stage of Glibc will
|
---|
| 78 | complain about the absence of <filename>/etc/ld.so.conf</filename>. Fix this
|
---|
| 79 | annoying little warning with:</para>
|
---|
| 80 |
|
---|
| 81 | <screen><userinput>touch /etc/ld.so.conf</userinput></screen>
|
---|
| 82 |
|
---|
[73aedd1d] | 83 | <para>And install the package:</para>
|
---|
| 84 |
|
---|
| 85 | <screen><userinput>make install</userinput></screen>
|
---|
| 86 |
|
---|
| 87 | <para>The locales that can make your system respond in a different language
|
---|
| 88 | weren't installed by the above command. Do it with this:</para>
|
---|
| 89 |
|
---|
| 90 | <screen><userinput>make localedata/install-locales</userinput></screen>
|
---|
| 91 |
|
---|
| 92 | <para>An alternative to running the previous command is to install only those
|
---|
[d0a6c4c] | 93 | locales which you need or want. This can be achieved by using the
|
---|
[73aedd1d] | 94 | <userinput>localedef</userinput> command. Information on this can be found in
|
---|
[d0a6c4c] | 95 | the <filename>INSTALL</filename> file in the Glibc source. However, there are
|
---|
| 96 | a number of locales that are essential for the tests of future packages to
|
---|
| 97 | pass, in particular, the <emphasis>libstdc++</emphasis> tests from GCC. The
|
---|
| 98 | following instructions, instead of the install-locales target above, will
|
---|
| 99 | install the minimum set of locales necessary for the tests to run
|
---|
| 100 | successfully:</para>
|
---|
[73aedd1d] | 101 |
|
---|
| 102 | <screen><userinput>mkdir -p /usr/lib/locale
|
---|
| 103 | localedef -i de_DE -f ISO-8859-1 de_DE
|
---|
| 104 | localedef -i de_DE@euro -f ISO-8859-15 de_DE@euro
|
---|
| 105 | localedef -i en_HK -f ISO-8859-1 en_HK
|
---|
| 106 | localedef -i en_PH -f ISO-8859-1 en_PH
|
---|
| 107 | localedef -i en_US -f ISO-8859-1 en_US
|
---|
| 108 | localedef -i es_MX -f ISO-8859-1 es_MX
|
---|
| 109 | localedef -i fr_FR -f ISO-8859-1 fr_FR
|
---|
| 110 | localedef -i fr_FR@euro -f ISO-8859-15 fr_FR@euro
|
---|
| 111 | localedef -i it_IT -f ISO-8859-1 it_IT
|
---|
| 112 | localedef -i ja_JP -f EUC-JP ja_JP</userinput></screen>
|
---|
| 113 |
|
---|
| 114 | <para>Finally, build the linuxthreads man pages:</para>
|
---|
| 115 |
|
---|
| 116 | <screen><userinput>make -C ../&glibc-dir;/linuxthreads/man</userinput></screen>
|
---|
| 117 |
|
---|
| 118 | <para>And install these pages:</para>
|
---|
| 119 |
|
---|
| 120 | <screen><userinput>make -C ../&glibc-dir;/linuxthreads/man install</userinput></screen>
|
---|
| 121 |
|
---|
| 122 | </sect2>
|
---|
[5888299] | 123 |
|
---|
[49f4dd5] | 124 | &c6-cf-glibc;
|
---|
[5888299] | 125 |
|
---|
| 126 | &aa-glibc-shortdesc;
|
---|
| 127 | &aa-glibc-desc;
|
---|
| 128 |
|
---|
[6370fa6] | 129 | </sect1>
|
---|
[4931dd3] | 130 |
|
---|