source: clfs-sysroot/BOOK/cross-tools/arm/glibc-headers.xml @ 4b6ae47

Last change on this file since 4b6ae47 was 4b6ae47, checked in by Jim Gifford <clfs@…>, 14 years ago

r3659@server (orig r1662): jciccone | 2006-05-26 12:53:57 -0700
Removed the gcc-PR20425 patch and added glibc-headers for arm.

  • Property mode set to 100644
File size: 4.2 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="../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="../common/glibc.xml"
35    xpointer="xpointer(//*[@os='b'])"/>
36
37    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
38    href="../common/glibc.xml"
39    xpointer="xpointer(//*[@os='c'])"/>
40
41    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
42    href="../common/glibc.xml"
43    xpointer="xpointer(//*[@os='d'])"/>
44
45<screen os="e"><userinput>echo "libc_cv_forced_unwind=yes" &gt; config.cache
46echo "libc_cv_c_cleanup=yes" &gt;&gt; config.cache
47echo "libc_cv_arm_tls=yes" &gt;&gt; config.cache</userinput></screen>
48
49    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
50    href="../common/glibc.xml"
51    xpointer="xpointer(//*[@os='f'])"/>
52
53    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
54    href="../common/glibc.xml"
55    xpointer="xpointer(//*[@os='g'])"/>
56
57    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
58    href="../common/glibc.xml"
59    xpointer="xpointer(//*[@os='h'])"/>
60
61<screen os="i"><userinput>CC=gcc ../glibc-&glibc-version;/configure --prefix=/usr \
62   --host=${LFS_TARGET} --build=${LFS_HOST} \
63   --with-headers=${LFS}/usr/include --cache-file=config.cache</userinput></screen>
64
65    <variablelist os="dj">
66       <title>The meaning of the configure options:</title>
67       
68          <varlistentry os="dj1">
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="dj2">
76           <term><parameter>--with-headers=/tools/include</parameter></term>
77           <listitem>
78              <para>This tells Glibc to compile itself against the headers
79              recently installed to the <filename class="directory">/tools</filename>
80              directory, so that it knows exactly what features the kernel has
81              and can optimize itself accordingly.</para>
82           </listitem>
83       </varlistentry>
84       
85     </variablelist>
86       
87   <para os="k">Now, install the headers:</para>
88
89<screen os="l"><userinput>make install-headers</userinput></screen>
90
91   <para os="m">Some files aren't installed by the above command, then
92    we will copy the header files we need:</para>
93
94   <para os="n">First we will copy a common file over to <filename 
95   class="directory">/tools/include</filename>:</para>
96
97<screen os="o"><userinput>install -dv ${LFS}/usr/include/bits
98cp -v bits/stdio_lim.h ${LFS}/usr/include/bits</userinput></screen>
99
100   <para os="p">Now we will create a blank stub file:</para>
101
102<screen os="q"><userinput>touch ${LFS}/usr/include/gnu/stubs.h</userinput></screen>
103
104   <para os="r">For NPTL we use the following command:</para>
105   
106<screen os="s"><userinput>cp -v ../glibc-&glibc-version;/../glibc-2.4/ports/sysdeps/unix/sysv/linux/arm/nptl/bits/pthreadtypes.h \
107    ${LFS}/usr/include/bits</userinput></screen>
108
109  </sect2>
110
111  <sect2 role="content">
112    <title/>
113
114    <para>Details on this package are located in <xref
115    linkend="contents-glibc" role="."/></para>
116
117  </sect2>
118
119</sect1>
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