source: BOOK/cross-tools/common/file.xml @ ad1b07d

systemd
Last change on this file since ad1b07d was ad1b07d, checked in by Chris Staub <chris@…>, 7 years ago

Removed extra spaces

  • Property mode set to 100644
File size: 2.3 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-cross-tools-file" role="wrap">
9  <?dbhtml filename="file.html"?>
10
11  <title>File-&file-version;</title>
12
13  <indexterm zone="ch-cross-tools-file">
14    <primary sortas="a-File">File</primary>
15    <secondary>cross tools</secondary>
16  </indexterm>
17
18  <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
19  href="../../final-system/common/file.xml"
20  xpointer="xpointer(//*[@role='package'])"/>
21
22  <sect2 role="installation">
23    <title>Installation of File</title>
24
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>
35
36    <para>Prepare File for compilation:</para>
37
38<screen><userinput>./configure \
39    --prefix=/cross-tools</userinput></screen>
40
41    <variablelist>
42      <title>The meaning of the configure options:</title>
43
44      <varlistentry>
45        <term><parameter>--prefix=/cross-tools</parameter></term>
46        <listitem>
47          <para>This tells the configure script to prepare to install the
48          package in the <filename class="directory">/cross-tools</filename>
49          directory.</para>
50        </listitem>
51      </varlistentry>
52
53    </variablelist>
54
55    <para>Compile the package:</para>
56
57<screen><userinput>make</userinput></screen>
58
59    <para>Install the package:</para>
60
61<screen><userinput>make install</userinput></screen>
62
63  </sect2>
64
65  <sect2 role="content">
66    <title/>
67
68    <para>Details on this package are located in <xref
69    linkend="contents-file" role="."/></para>
70
71  </sect2>
72
73</sect1>
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