source: clfs-sysroot/BOOK/final-system/common/bash.xml@ de6fc71

Last change on this file since de6fc71 was fef8487, checked in by Joe Ciccone <jciccone@…>, 15 years ago

Even More Text Updates.

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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-bash" role="wrap">
9 <?dbhtml filename="bash.html"?>
10
11 <title>Bash-&bash-version;</title>
12
13 <indexterm zone="ch-system-bash">
14 <primary sortas="a-Bash">Bash</primary>
15 </indexterm>
16
17 <sect2 role="package">
18 <title/>
19
20 <para>The Bash package contains the Bourne-Again SHell.</para>
21
22 </sect2>
23
24 &env-target;
25
26 <sect2 role="installation">
27 <title>Installation of Bash</title>
28
29 <para os="p1">The following patch contains updates from the maintainer. The
30 maintainer of Bash only releases these patches to fix serious issues:</para>
31
32<screen os="p2"><userinput>patch -Np1 -i ../&bash-branch_update-patch;</userinput></screen>
33
34 <para os="c">When bBsh is cross-compiled, it cannot test for the presence
35 of named pipes, among other things. If you used <command>su</command> to
36 become an unprivileged user, this combination will cause Bash to build
37 without <emphasis>process substitution</emphasis>, which will break one
38 of the C++ test scripts in <literal>eglibc</literal>. The following prevents
39 future problems by skipping the check for named pipes, as well as other
40 tests that can not run while cross-compiling or that do not run properly:</para>
41
42<screen os="d"><userinput>cat &gt; config.cache &lt;&lt; "EOF"
43ac_cv_func_mmap_fixed_mapped=yes
44ac_cv_func_strcoll_works=yes
45ac_cv_func_working_mktime=yes
46bash_cv_func_sigsetjmp=present
47bash_cv_getcwd_malloc=yes
48bash_cv_job_control_missing=present
49bash_cv_printf_a_format=yes
50bash_cv_sys_named_pipes=present
51bash_cv_ulimit_maxfds=yes
52bash_cv_under_sys_siglist=yes
53bash_cv_unusable_rtsigs=no
54gt_cv_int_divbyzero_sigfpe=yes
55EOF</userinput></screen>
56
57<para os="e">Prepare Bash for compilation:</para>
58
59<screen os="f"><userinput>./configure --build=${CLFS_HOST} --host=${CLFS_TARGET} \
60 --prefix=/usr --bindir=/bin --cache-file=config.cache \
61 --without-bash-malloc --with-installed-readline</userinput></screen>
62
63 <variablelist os="g">
64 <title>The meaning of the configure option:</title>
65
66 <varlistentry>
67 <term><parameter>--with-installed-readline</parameter></term>
68 <listitem>
69 <para>This option tells Bash to use the
70 <filename class="libraryfile">readline</filename> library that is
71 already installed on the system rather than using its own readline
72 version.</para>
73 </listitem>
74 </varlistentry>
75 </variablelist>
76
77 <para os="h">Compile the package:</para>
78
79<screen os="i"><userinput>make</userinput></screen>
80
81 <para os="j">Install the package:</para>
82
83<screen os="k"><userinput>make DESTDIR=${CLFS} htmldir=/usr/share/doc/bash-&bash-version; install</userinput></screen>
84
85 <para os="l">Create /bin/sh:</para>
86
87<screen os="m"><userinput>ln -sfv bash ${CLFS}/bin/sh</userinput></screen>
88
89 </sect2>
90
91 <sect2 id="contents-bash" role="content">
92 <title>Contents of Bash</title>
93
94 <segmentedlist>
95 <segtitle>Installed programs</segtitle>
96
97 <seglistitem>
98 <seg>bash, bashbug, and sh (link to bash)</seg>
99 </seglistitem>
100 </segmentedlist>
101
102 <variablelist>
103 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
104 <?dbfo list-presentation="list"?>
105 <?dbhtml list-presentation="table"?>
106
107 <varlistentry id="bash">
108 <term><command>bash</command></term>
109 <listitem>
110 <para>A widely-used command interpreter; it performs many types of
111 expansions and substitutions on a given command line before executing
112 it, thus making this interpreter a powerful tool</para>
113 <indexterm zone="ch-system-bash bash">
114 <primary sortas="b-bash">bash</primary>
115 </indexterm>
116 </listitem>
117 </varlistentry>
118
119 <varlistentry id="bashbug">
120 <term><command>bashbug</command></term>
121 <listitem>
122 <para>A shell script to help the user compose and mail standard
123 formatted bug reports concerning <command>bash</command></para>
124 <indexterm zone="ch-system-bash bashbug">
125 <primary sortas="b-bashbug">bashbug</primary>
126 </indexterm>
127 </listitem>
128 </varlistentry>
129
130 <varlistentry id="sh">
131 <term><command>sh</command></term>
132 <listitem>
133 <para>A symlink to the <command>bash</command> program; when invoked
134 as <command>sh</command>, <command>bash</command> tries to mimic the
135 startup behavior of historical versions of <command>sh</command> as
136 closely as possible, while conforming to the POSIX standard as
137 well</para>
138 <indexterm zone="ch-system-bash sh">
139 <primary sortas="b-sh">sh</primary>
140 </indexterm>
141 </listitem>
142 </varlistentry>
143
144 </variablelist>
145
146 </sect2>
147
148</sect1>
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