source: BOOK/cross-tools/common/file.xml@ 182b152

sysvinit
Last change on this file since 182b152 was 281686f, checked in by Chris Staub <chris@…>, 10 years ago

More detailed explanatory text in cross-tools File page. Thanks Martin Ward for the reminder

  • Property mode set to 100644
File size: 2.6 KB
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[79fe359]1<?xml version="1.0" encoding="ISO-8859-1"?>
[aa18ac0]2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
[79fe359]4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
[8ef4836]8<sect1 id="ch-cross-tools-file" role="wrap">
[79fe359]9 <?dbhtml filename="file.html"?>
10
[78a04c8]11 <title>File-&file-version;</title>
[79fe359]12
[fd9c7d4]13 <indexterm zone="ch-cross-tools-file">
14 <primary sortas="a-File">File</primary>
[979b26f]15 <secondary>cross tools</secondary>
[fd9c7d4]16 </indexterm>
17
[dabbced]18 <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
[fd9c7d4]19 href="../../final-system/common/file.xml"
20 xpointer="xpointer(//*[@role='package'])"/>
21
[79fe359]22 <sect2 role="installation">
23 <title>Installation of File</title>
24
[281686f]25 <para>One method that <command>file</command> uses for identifying a given
26 file is to run <quote>magic tests</quote>, where it compares the file's
27 contents to data in <quote>magic files</quote>, which contain information
28 about a number of standard file formats. When File is compiled, it will run
29 <command>file -C</command> to combine the information from the
30 magic files in its source tree into a single <filename>magic.mgc</filename>
31 file, which it will use after it is installed. When we build File in
32 <xref linkend="chapter-temp-system"/>, it will be cross-compiled, so it
33 will not be able to run the <command>file</command> program that it just
34 built, which means that we need one that will run on the host system.</para>
[6fde8a9]35
[79fe359]36 <para>Prepare File for compilation:</para>
37
[d08e660]38<screen><userinput>./configure --prefix=/cross-tools --disable-static</userinput></screen>
[79fe359]39
[5cbf8bc]40 <variablelist>
[d46fde9]41 <title>The meaning of the configure options:</title>
42
43 <varlistentry>
44 <term><parameter>--prefix=/cross-tools</parameter></term>
45 <listitem>
46 <para>This tells the configure script to prepare to install the
47 package in the <filename class="directory">/cross-tools</filename>
48 directory.</para>
49 </listitem>
50 </varlistentry>
[5cbf8bc]51
52 <varlistentry>
53 <term><parameter>--disable-static</parameter></term>
54 <listitem>
55 <para>This tells the File package not to compile or install static
56 libraries, which are not needed for the Cross-Tools</para>
57 </listitem>
58 </varlistentry>
59
60 </variablelist>
61
[8ba5b4d]62 <para>Compile the package:</para>
[79fe359]63
64<screen><userinput>make</userinput></screen>
65
66 <para>Install the package:</para>
67
68<screen><userinput>make install</userinput></screen>
69
70 </sect2>
71
72 <sect2 role="content">
73 <title/>
74
75 <para>Details on this package are located in <xref
76 linkend="contents-file" role="."/></para>
77
78 </sect2>
79
80</sect1>
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