source: BOOK/cross-tools/alpha/glibc-headers.xml @ 966d3087

clfs-1.2clfs-2.1clfs-3.0.0-systemdclfs-3.0.0-sysvinitsystemdsysvinit
Last change on this file since 966d3087 was 966d3087, checked in by Jim Gifford <clfs@…>, 13 years ago

r3145@server (orig r1473): jciccone | 2006-04-26 16:29:38 -0700
Fixed a typo in alpha glibc headers

  • Property mode set to 100644
File size: 6.1 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3  "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4  <!ENTITY % general-entities SYSTEM "../../general.ent">
5  %general-entities;
6]>
7
8<sect1 id="ch-cross-tools-glibc-headers" role="wrap">
9  <?dbhtml filename="glibc-headers.html"?>
10
11  <title>Glibc-&glibc-version; Headers</title>
12
13  <indexterm zone="ch-cross-tools-glibc-headers">
14    <primary sortas="a-Glibc">Glibc</primary>
15    <secondary>cross tools, headers</secondary>
16  </indexterm>
17
18  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
19  href="../../final-system/common/glibc.xml"
20  xpointer="xpointer(//*[@role='package'])"/>
21
22  <sect2 role="installation">
23    <title>Installation of Glibc Headers</title>
24
25    <para os="s1">The following sed removes a dependency of gcc 3.4.x from
26    the glibc we are using in cross-lfs. The reason we are changing it is
27    because this only installs the headers, no compiling takes place. In the
28    next glibc chapter, we use the gcc that's build right after this chapter.</para>
29       
30<screen os="s2"><userinput>cp configure{,.orig}
31sed -e 's/3.4/3.[0-9]/g' configure.orig > configure</userinput></screen>
32
33    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
34    href="../../final-system/common/glibc.xml"
35    xpointer="xpointer(//*[@os='e'])"/>
36
37    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
38    href="../../final-system/common/glibc.xml"
39    xpointer="xpointer(//*[@os='f'])"/>
40
41    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
42    href="../common/glibc.xml"
43    xpointer="xpointer(//*[@os='dd'])"/>
44
45<screen os="de"><userinput>echo "libc_cv_forced_unwind=yes" &gt; config.cache
46echo "libc_cv_c_cleanup=yes" &gt;&gt; config.cache
47echo "libc_cv_mlong_double_128=yes" &gt;&gt; config.cache
48echo "libc_cv_alpha_tls=yes" &gt;&gt; config.cache</userinput></screen>
49
50    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
51    href="../../final-system/common/glibc.xml"
52    xpointer="xpointer(//*[@os='g'])"/>
53
54<screen os="s3"><userinput>CC=gcc ../glibc-&glibc-version;/configure --prefix=/tools \
55   --host=${LFS_TARGET} --build=${LFS_HOST} \
56   --disable-sanity-checks --enable-kernel=2.6.0 \
57   --with-headers=/tools/include --cache-file=config.cache \
58   --with-binutils=/cross-tools/${LFS_TARGET}/bin</userinput></screen>
59
60    <warning os="e1">
61      <para><emphasis>Any</emphasis> error message you see about nptl at this point
62      can safely be ignored.</para>
63   </warning>
64
65    <variablelist os="ca">
66       <title>The meaning of the configure options:</title>
67       
68          <varlistentry os="ca1">
69             <term><parameter>CC=gcc</parameter></term>
70             <listitem>
71                <para>Tells GLIBC to use the hosts GCC compiler.</para>
72             </listitem>
73          </varlistentry>
74       
75         <varlistentry os="ca2">
76            <term><parameter>--prefix=/tools</parameter></term>
77            <listitem>
78               <para>This tells the configure script to prepare to install the
79                  package in the <filename class="directory">/tools</filename>
80                  directory.</para>
81             </listitem>
82         </varlistentry>
83       
84         <varlistentry os="ca3">
85            <term><parameter>--build=${LFS_HOST}</parameter></term>
86            <listitem>
87               <para>When used with --host, this creates a cross-architecture
88                  executable that creates files for ${LFS_TARGET} but runs on ${LFS_HOST).</para>
89            </listitem>
90        </varlistentry>
91       
92        <varlistentry os="ca4">
93           <term><parameter>--host=${LFS_TARGET}</parameter></term>
94           <listitem>
95               <para>When used with --build, this creates a cross-architecture
96                  executable that creates files for ${LFS_TARGET} but runs on ${LFS_HOST).</para>
97           </listitem>
98        </varlistentry>
99       
100       <varlistentry os="ca5">
101          <term><parameter>--disable-sanity-checks</parameter></term>
102          <listitem>
103             <para>This switch disables any checks that are in place.</para>
104           </listitem>
105       </varlistentry>
106       
107       <varlistentry os="ca6">
108            <term><parameter>--enable-kernel=2.6.0</parameter></term>
109            <listitem>
110               <para>This tells Glibc to compile the library with support
111               for 2.6.x Linux kernels.</para>
112            </listitem>
113       </varlistentry>
114       
115       <varlistentry os="ca7">
116           <term><parameter>--with-headers=/tools/include</parameter></term>
117           <listitem>
118              <para>This tells Glibc to compile itself against the headers
119              recently installed to the <filename class="directory">/tools</filename>
120              directory, so that it knows exactly what features the kernel has
121              and can optimize itself accordingly.</para>
122           </listitem>
123       </varlistentry>
124       
125       <varlistentry os="ca8">
126           <term><parameter>--with-binutils=/cross-tools/${LFS_TARGET}/bin</parameter></term>
127           <listitem>
128              <para>This tells GLIBC to use the binutils for our specific target architecture.</para>
129            </listitem>
130       </varlistentry>
131       
132       </variablelist>
133       
134   <para os="cb">Now, install the headers:</para>
135
136<screen os="cd"><userinput>make install-headers</userinput></screen>
137
138   <para os="ce">Some files aren't installed by the above command, then
139    we will copy the header files we need:</para>
140
141   <para os="cf">First we will copy a common file over to <filename 
142   class="directory">/tools/include</filename>:</para>
143
144<screen os="cg"><userinput>install -d /tools/include/bits
145cp bits/stdio_lim.h /tools/include/bits</userinput></screen>
146
147   <para os="ch">Now we will create a blank stub file:</para>
148
149<screen os="ci"><userinput>touch /tools/include/gnu/stubs.h</userinput></screen>
150
151   <para os="cj">For NPTL we use the following command:</para>
152   
153<screen><userinput>cp -v ../glibc-&glibc-version;/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h /tools/include/bits/</userinput></screen>
154
155  </sect2>
156
157  <sect2 role="content">
158    <title/>
159
160    <para>Details on this package are located in <xref
161    linkend="contents-glibc" role="."/></para>
162
163  </sect2>
164
165</sect1>
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