source: BOOK/cross-tools/alpha/glibc-headers.xml@ 448817bb

clfs-1.2 clfs-2.1 clfs-3.0.0-systemd clfs-3.0.0-sysvinit systemd sysvinit
Last change on this file since 448817bb was 07114c98, checked in by Jim Gifford <clfs@…>, 18 years ago

r4209@server: jim | 2006-07-01 12:46:18 -0700
Updated variables -

LFS_TARGET is now CLFS_TARGET
LFS_HOST is now CLFS_HOST
LFS_TARGET32 is now CLFS_TARGET32
LFS is now CLFS
/mnt/lfs is now /mnt/clfs


  • 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 -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</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=${CLFS_TARGET} --build=${CLFS_HOST} \
56 --disable-sanity-checks --enable-kernel=2.6.0 \
57 --with-headers=/tools/include --cache-file=config.cache \
58 --with-binutils=/cross-tools/${CLFS_TARGET}/bin</userinput></screen>
59
60 <warning os="e1">
61 <para><emphasis>Any</emphasis> error message you see about nptl at this point
62 can safely be ignored.</para>
63 </warning>
64
65 <variablelist os="ca">
66 <title>The meaning of the configure options:</title>
67
68 <varlistentry os="ca1">
69 <term><parameter>CC=gcc</parameter></term>
70 <listitem>
71 <para>Tells GLIBC to use the hosts GCC compiler.</para>
72 </listitem>
73 </varlistentry>
74
75 <varlistentry os="ca2">
76 <term><parameter>--prefix=/tools</parameter></term>
77 <listitem>
78 <para>This tells the configure script to prepare to install the
79 package in the <filename class="directory">/tools</filename>
80 directory.</para>
81 </listitem>
82 </varlistentry>
83
84 <varlistentry os="ca3">
85 <term><parameter>--build=${CLFS_HOST}</parameter></term>
86 <listitem>
87 <para>When used with --host, this creates a cross-architecture
88 executable that creates files for ${CLFS_TARGET} but runs on ${CLFS_HOST).</para>
89 </listitem>
90 </varlistentry>
91
92 <varlistentry os="ca4">
93 <term><parameter>--host=${CLFS_TARGET}</parameter></term>
94 <listitem>
95 <para>When used with --build, this creates a cross-architecture
96 executable that creates files for ${CLFS_TARGET} but runs on ${CLFS_HOST).</para>
97 </listitem>
98 </varlistentry>
99
100 <varlistentry os="ca5">
101 <term><parameter>--disable-sanity-checks</parameter></term>
102 <listitem>
103 <para>This switch disables any checks that are in place.</para>
104 </listitem>
105 </varlistentry>
106
107 <varlistentry os="ca6">
108 <term><parameter>--enable-kernel=2.6.0</parameter></term>
109 <listitem>
110 <para>This tells Glibc to compile the library with support
111 for 2.6.x Linux kernels.</para>
112 </listitem>
113 </varlistentry>
114
115 <varlistentry os="ca7">
116 <term><parameter>--with-headers=/tools/include</parameter></term>
117 <listitem>
118 <para>This tells Glibc to compile itself against the headers
119 recently installed to the <filename class="directory">/tools</filename>
120 directory, so that it knows exactly what features the kernel has
121 and can optimize itself accordingly.</para>
122 </listitem>
123 </varlistentry>
124
125 <varlistentry os="ca8">
126 <term><parameter>--with-binutils=/cross-tools/${CLFS_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 -dv /tools/include/bits
145cp -v 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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