source: BOOK/cross-tools/alpha/glibc-headers.xml@ 3e3a19a

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 3e3a19a was ca89969, checked in by Joe Ciccone <jciccone@…>, 16 years ago

Updated Glibc to 2.8.

  • Property mode set to 100644
File size: 6.2 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/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 installation, we use the GCC that's built right after this section:</para>
29
30<screen os="s2"><userinput>cp -v 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
49echo "libc_cv_gnu89_inline=yes" &gt;&gt; config.cache</userinput></screen>
50
51 <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
52 href="../../final-system/common/glibc.xml"
53 xpointer="xpointer(//*[@os='g'])"/>
54
55<screen os="s3"><userinput>CC=gcc ../glibc-&glibc-version;/configure --prefix=/tools \
56 --host=${CLFS_TARGET} --build=${CLFS_HOST} \
57 --disable-sanity-checks --enable-kernel=2.6.0 \
58 --with-headers=/tools/include --cache-file=config.cache \
59 --with-binutils=/cross-tools/${CLFS_TARGET}/bin</userinput></screen>
60
61 <note os="e1">
62 <para><emphasis>Any</emphasis> error message you see about nptl at this point
63 can safely be ignored.</para>
64 </note>
65
66 <variablelist os="ca">
67 <title>The meaning of the configure options:</title>
68
69 <varlistentry os="ca1">
70 <term><parameter>CC=gcc</parameter></term>
71 <listitem>
72 <para>Tells Glibc to use the host's GCC compiler.</para>
73 </listitem>
74 </varlistentry>
75
76 <varlistentry os="ca2">
77 <term><parameter>--prefix=/tools</parameter></term>
78 <listitem>
79 <para>This tells the configure script to prepare to install the
80 package in the <filename class="directory">/tools</filename>
81 directory.</para>
82 </listitem>
83 </varlistentry>
84
85 <varlistentry os="ca3">
86 <term><parameter>--build=${CLFS_HOST}</parameter></term>
87 <listitem>
88 <para>When used with --host, this creates a cross-architecture
89 executable that creates files for ${CLFS_TARGET} but runs on ${CLFS_HOST}.</para>
90 </listitem>
91 </varlistentry>
92
93 <varlistentry os="ca4">
94 <term><parameter>--host=${CLFS_TARGET}</parameter></term>
95 <listitem>
96 <para>When used with --build, this creates a cross-architecture
97 executable that creates files for ${CLFS_TARGET} but runs on ${CLFS_HOST}.</para>
98 </listitem>
99 </varlistentry>
100
101 <varlistentry os="ca5">
102 <term><parameter>--disable-sanity-checks</parameter></term>
103 <listitem>
104 <para>This switch disables any checks that are in place.</para>
105 </listitem>
106 </varlistentry>
107
108 <varlistentry os="ca6">
109 <term><parameter>--enable-kernel=2.6.0</parameter></term>
110 <listitem>
111 <para>This tells Glibc to compile the library with support
112 for 2.6.x Linux kernels.</para>
113 </listitem>
114 </varlistentry>
115
116 <varlistentry os="ca7">
117 <term><parameter>--with-headers=/tools/include</parameter></term>
118 <listitem>
119 <para>This tells Glibc to compile itself against the headers
120 recently installed to the <filename class="directory">/tools</filename>
121 directory, so that it knows exactly what features the kernel has
122 and can optimize itself accordingly.</para>
123 </listitem>
124 </varlistentry>
125
126 <varlistentry os="ca8">
127 <term><parameter>--with-binutils=/cross-tools/${CLFS_TARGET}/bin</parameter></term>
128 <listitem>
129 <para>This tells Glibc to use the Binutils for our specific target architecture.</para>
130 </listitem>
131 </varlistentry>
132
133 </variablelist>
134
135 <para os="cb">Now, install the headers:</para>
136
137<screen os="cd"><userinput>make install-headers</userinput></screen>
138
139 <para os="ce">Some files aren't installed by the above command, so
140 we will copy the additional header files we need.</para>
141
142 <para os="cf">First we will copy a common file over to <filename
143 class="directory">/tools/include</filename>:</para>
144
145<screen os="cg"><userinput>install -dv /tools/include/bits
146cp -v bits/stdio_lim.h /tools/include/bits</userinput></screen>
147
148 <para os="ch">Now we will create a blank stub file:</para>
149
150<screen os="ci"><userinput>touch /tools/include/gnu/stubs.h</userinput></screen>
151
152 <para os="cj">Another header is needed for NPTL:</para>
153
154<screen><userinput>cp -v ../glibc-&glibc-version;/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h \
155 /tools/include/bits/</userinput></screen>
156
157 </sect2>
158
159 <sect2 role="content">
160 <title/>
161
162 <para>Details on this package are located in <xref
163 linkend="contents-glibc" role="."/></para>
164
165 </sect2>
166
167</sect1>
Note: See TracBrowser for help on using the repository browser.