source: BOOK/cross-tools/common/glibc.xml @ 50dce170

clfs-3.0.0-systemdsystemd
Last change on this file since 50dce170 was f8a80b5, checked in by Chris Staub <chris@…>, 10 years ago

Added more clarification to Glibc instructions

  • Property mode set to 100644
File size: 6.9 KB
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[3f8be484]1<?xml version="1.0" encoding="ISO-8859-1"?>
[aa18ac0]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[3f8be484]4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
[cbbd1e4]8<sect1 id="ch-cross-tools-glibc" role="wrap">
9  <?dbhtml filename="glibc.html"?>
[3f8be484]10
[d785e9d]11  <title>Glibc-&glibc-version;</title>
[3f8be484]12
[cbbd1e4]13  <indexterm zone="ch-cross-tools-glibc">
[d785e9d]14    <primary sortas="a-Glibc">Glibc</primary>
[3f8be484]15    <secondary>cross tools</secondary>
16  </indexterm>
17
[dabbced]18  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[cbbd1e4]19  href="../../final-system/common/glibc.xml"
[cf66ceae]20  xpointer="xpointer(//*[@role='package'])"/>
[3f8be484]21
22  <sect2 role="installation">
[d785e9d]23    <title>Installation of Glibc</title>
[3f8be484]24
[d785e9d]25    <para os="da">It should be noted that compiling Glibc in any way other than
[3f8be484]26    the method suggested in this book puts the stability of the system at
27    risk.</para>
28
[00a58649]29    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[cbbd1e4]30    href="../../final-system/common/glibc.xml"
[00a58649]31    xpointer="xpointer(//*[@os='s1'])"/>
32
[a095a24]33<screen os="s2"><userinput>cp -v timezone/Makefile{,.orig}
34sed 's/\\$$(pwd)/`pwd`/' timezone/Makefile.orig &gt; timezone/Makefile</userinput></screen>
[00a58649]35
[dabbced]36    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[cbbd1e4]37    href="../../final-system/common/glibc.xml"
[3f8be484]38    xpointer="xpointer(//*[@os='e'])"/>
39
[dabbced]40    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[cbbd1e4]41    href="../../final-system/common/glibc.xml"
[3f8be484]42    xpointer="xpointer(//*[@os='f'])"/>
43
[1863ad6]44    <para os="dd">Add the following to <filename>config.cache</filename>
[d785e9d]45    to disable ssp when building Glibc:</para>
[3f8be484]46
[1863ad6]47<screen os="de"><userinput>echo "libc_cv_ssp=no" &gt; config.cache</userinput></screen>
[3f8be484]48
[dabbced]49    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[cbbd1e4]50    href="../../final-system/common/glibc.xml"
[3f8be484]51    xpointer="xpointer(//*[@os='g'])"/>
52
[07114c98]53<screen os="df"><userinput>BUILD_CC="gcc" CC="${CLFS_TARGET}-gcc" \
54    AR="${CLFS_TARGET}-ar" RANLIB="${CLFS_TARGET}-ranlib" \
[cbbd1e4]55    ../glibc-&glibc-version;/configure --prefix=/tools \
[07114c98]56    --host=${CLFS_TARGET} --build=${CLFS_HOST} \
[11e2d29]57    --disable-profile --with-tls --enable-kernel=&glibc-kernel-version; \
[da4d9d8]58    --with-__thread --with-binutils=/cross-tools/bin \
[52ed4da]59    --with-headers=/tools/include --enable-obsolete-rpc \
60    --cache-file=config.cache</userinput></screen>
[3f8be484]61
[d3a4fc0]62    <variablelist os="dg">
[3f8be484]63      <title>The meaning of the new configure options:</title>
64
[d3a4fc0]65      <varlistentry os="dg1">
[3f8be484]66        <term><parameter>BUILD_CC="gcc"</parameter></term>
67        <listitem>
[d785e9d]68          <para>This sets Glibc to use the current compiler on our system. This is
69          used to create the tools Glibc uses during its build.</para>
[3f8be484]70        </listitem>
71      </varlistentry>
72
[d3a4fc0]73      <varlistentry os="dg2">
[07114c98]74        <term><parameter>CC="${CLFS_TARGET}-gcc"</parameter></term>
[3f8be484]75        <listitem>
[d785e9d]76          <para>This forces Glibc to use the GCC compiler that we made for our target
[d3a4fc0]77          architecture.</para>
[3f8be484]78        </listitem>
79      </varlistentry>
80
[d3a4fc0]81      <varlistentry os="dg3">
[07114c98]82        <term><parameter>AR="${CLFS_TARGET}-ar"</parameter></term>
[3f8be484]83        <listitem>
[d785e9d]84          <para>This forces Glibc to use the <command>ar</command> utility
[df709be]85          we made for our target architecture.</para>
[3f8be484]86        </listitem>
87      </varlistentry>
88
[d3a4fc0]89      <varlistentry os="dg4">
[07114c98]90        <term><parameter>RANLIB="${CLFS_TARGET}-ranlib"</parameter></term>
[3f8be484]91        <listitem>
[d785e9d]92          <para>This forces Glibc to use the <command>ranlib</command> utility
[df709be]93          we made for our target architecture.</para>
[3f8be484]94        </listitem>
95      </varlistentry>
96
[d3a4fc0]97      <varlistentry os="dg5">
[3f8be484]98        <term><parameter>--disable-profile</parameter></term>
99        <listitem>
[24b004c]100          <para>This builds the libraries without profiling information.
[e3196bd]101          Omit this option if profiling on the temporary tools is necessary.</para>
[3f8be484]102        </listitem>
103      </varlistentry>
104
[d3a4fc0]105      <varlistentry os="dg6">
[3f8be484]106        <term><parameter>--with-tls</parameter></term>
107        <listitem>
[d785e9d]108          <para>This tells Glibc to use Thread Local Storage.</para>
[3f8be484]109        </listitem>
110      </varlistentry>
111
[82b753e0]112      <varlistentry os="dg7">
[11e2d29]113        <term><parameter>--enable-kernel=&glibc-kernel-version;</parameter></term>
[c814e64]114        <listitem>
[d785e9d]115          <para>This tells Glibc to compile the library with support
[11e2d29]116          for &glibc-kernel-version; and later Linux kernels.</para>
[c814e64]117        </listitem>
118      </varlistentry>
119
[82b753e0]120      <varlistentry os="dg8">
[3f8be484]121        <term><parameter>--with-__thread</parameter></term>
122        <listitem>
[d785e9d]123          <para>This tells Glibc to use use the __thread for libc and
[d3a4fc0]124          libpthread builds.</para>
[3f8be484]125        </listitem>
126      </varlistentry>
127
[82b753e0]128      <varlistentry os="dg9">
[bc2e3fa]129        <term><parameter>--with-binutils=/cross-tools/bin</parameter></term>
[3f8be484]130        <listitem>
[d785e9d]131          <para>This tells Glibc to use the Binutils that are specific to
[d3a4fc0]132          our target architecture.</para>
[3f8be484]133        </listitem>
134      </varlistentry>
135
[82b753e0]136      <varlistentry os="dg10">
[c814e64]137        <term><parameter>--with-headers=/tools/include</parameter></term>
138        <listitem>
[d785e9d]139          <para>This tells Glibc to compile itself against the headers
[c814e64]140          recently installed to the <filename class="directory">/tools</filename>
141          directory, so that it knows exactly what features the kernel has
142          and can optimize itself accordingly.</para>
143        </listitem>
144      </varlistentry>
145
[82b753e0]146      <varlistentry os="dg11">
[e8a4711]147        <term><parameter>--enable-obsolete-rpc</parameter></term>
148        <listitem>
[d785e9d]149          <para>This tells Glibc to install rpc headers that are not installed
[e8a4711]150          by default but may be needed by other packages.</para>
151        </listitem>
152      </varlistentry>
153
154      <varlistentry os="dg12">
[3f8be484]155        <term><parameter>--cache-file=config.cache</parameter></term>
156        <listitem>
[d785e9d]157          <para>This tells Glibc to utilize a premade cache file.</para>
[3f8be484]158        </listitem>
159      </varlistentry>
160
161    </variablelist>
162
[d3a4fc0]163    <para os="dh">During this stage the following warning might appear:</para>
[3f8be484]164
[d3a4fc0]165<blockquote os="di"><screen><computeroutput>configure: WARNING:
[3f8be484]166*** These auxiliary programs are missing or
167*** incompatible versions: msgfmt
168*** some features will be disabled.
169*** Check the INSTALL file for required versions.</computeroutput></screen></blockquote>
170
[d3a4fc0]171    <para os="dj">The missing or incompatible <command>msgfmt</command> program is
[3f8be484]172    generally harmless. This <command>msgfmt</command> program is part of the
[f8a80b5]173    Gettext package which the host distribution should provide. You might also
174    see a similar (also harmless) message about missing
175    <command>autoconf</command>.</para>
[3f8be484]176
[d3a4fc0]177    <para os="dk">Compile the package:</para>
[3f8be484]178
[d3a4fc0]179<screen os="dl"><userinput>make</userinput></screen>
[3f8be484]180
[d3a4fc0]181    <para os="dm">Install the package:</para>
[3f8be484]182
[f5706e7]183<screen os="dn"><userinput>make install</userinput></screen>
[3f8be484]184
185  </sect2>
186
187  <sect2 role="content">
188    <title/>
189
190    <para>Details on this package are located in <xref
[cbbd1e4]191    linkend="contents-glibc" role="."/></para>
[3f8be484]192
193  </sect2>
194
195</sect1>
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