source: BOOK/final-system/ppc64/glibc.xml @ 58375318

systemd
Last change on this file since 58375318 was 58375318, checked in by William Harrington <kb0iic@…>, 7 years ago

Use --enable-stack-protector=strong during GLIBC final system.

  • Property mode set to 100644
File size: 4.7 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-system-glibc-32" role="wrap">
9  <?dbhtml filename="glibc.html"?>
10
11  <title>Glibc-&glibc-version; 32 Bit Libraries</title>
12
13  <indexterm zone="ch-system-glibc-32">
14    <primary sortas="a-Glibc">Glibc</primary>
15    <secondary>32 Bit</secondary>
16  </indexterm>
17
18  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
19  href="../common/glibc.xml"
20  xpointer="xpointer(//*[@role='package'])"/>
21
22  <sect2 role="installation">
23    <title>Installation of Glibc</title>
24
25    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
26    href="../common/glibc.xml"
27    xpointer="xpointer(//*[@os='z'])"/>
28
29    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
30    href="../common/glibc.xml"
31    xpointer="xpointer(//*[@os='l1'])"/>
32
33    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
34    href="../common/glibc.xml"
35    xpointer="xpointer(//*[@os='l2'])"/>
36
37    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
38    href="../common/glibc.xml"
39    xpointer="xpointer(//*[@os='b'])"/>
40
41    <para os="u1">The powerpc (32) architecture is expected to fail the
42    check-textrel tests because it cannot protect some elf segments in
43    shared libraries from being executable and writable. Using the default
44    64-bit compiler means the test runs as <literal>__powerpc64__</literal>
45    which is <emphasis>not</emphasis> expected to fail. The problem only exists
46    in 32-bit, the 64-bit ABI allows the segments to be protected.</para>
47
48    <para os="u2">Other distributions alter gcc to default to 32-bits and
49    so do not see this failure.  Whether they then test correctly on 64-bit
50    libraries is not our problem.</para>
51
52    <para os="u3">Force the test to use the 32-bit compiler with the following
53    <command>sed</command> :</para>
54
55<screen os="u4"><userinput>sed -i "s/\(^check-textrel-CFLAGS = \)/\1 ${BUILD32} /" elf/Makefile</userinput></screen>
56
57    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
58    href="../common/glibc.xml"
59    xpointer="xpointer(//*[@os='e'])"/>
60
61    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
62    href="../common/glibc.xml"
63    xpointer="xpointer(//*[@os='f'])"/>
64
65    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
66    href="../common/glibc.xml"
67    xpointer="xpointer(//*[@os='g'])"/>
68
69<screen os="h"><userinput>CC="gcc ${BUILD32}" CXX="g++ ${BUILD32}" \
70../glibc-&glibc-version;/configure \
71    --prefix=/usr \
72    --enable-kernel=&glibc-kernel-version; \
73    --libexecdir=/usr/lib/glibc \
74    --host=${CLFS_TARGET32} \
75    --enable-stack-protector=strong \
76    --enable-obsolete-rpc</userinput></screen>
77
78    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
79    href="../common/glibc.xml"
80    xpointer="xpointer(//*[@os='i'])"/>
81
82    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
83    href="../common/glibc.xml"
84    xpointer="xpointer(//*[@os='j'])"/>
85
86    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
87    href="../common/glibc.xml"
88    xpointer="xpointer(//*[@os='k'])"/>
89
90    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
91    href="../common/glibc.xml"
92    xpointer="xpointer(//*[@os='l'])"/>
93
94    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
95    href="../multilib/glibc.xml"
96    xpointer="xpointer(//*[@os='l1b'])"/>
97
98    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
99    href="../multilib/glibc.xml"
100    xpointer="xpointer(//*[@os='l2b'])"/>
101
102    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
103    href="../common/glibc.xml"
104    xpointer="xpointer(//*[@os='m'])"/>
105
106    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
107    href="../common/glibc.xml"
108    xpointer="xpointer(//*[@os='n'])"/>
109
110    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
111    href="../common/glibc.xml"
112    xpointer="xpointer(//*[@os='o'])"/>
113
114    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
115    href="../common/glibc.xml"
116    xpointer="xpointer(//*[@os='p'])"/>
117
118    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
119    href="../common/glibc.xml"
120    xpointer="xpointer(//*[@os='q'])"/>
121
122    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
123    href="../common/glibc.xml"
124    xpointer="xpointer(//*[@os='r'])"/>
125
126    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
127    href="../common/glibc.xml"
128    xpointer="xpointer(//*[@os='s'])"/>
129
130    <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
131    href="../common/glibc.xml"
132    xpointer="xpointer(//*[@os='t'])"/>
133
134  </sect2>
135
136  <sect2 role="content">
137    <title/>
138
139    <para>Details on this package are located in <xref
140    linkend="contents-glibc" role="."/></para>
141
142  </sect2>
143
144</sect1>
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