mirror of
https://github.com/Zeckmathederg/glfs.git
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52d29f7a42
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@2304 af4574ff-66df-0310-9fd7-8a98e5e911e0
113 lines
5.4 KiB
XML
113 lines
5.4 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY libusb-download-http "http://prdownloads.sourceforge.net/libusb/libusb-&libusb-version;.tar.gz">
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<!ENTITY libusb-download-ftp " ">
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<!ENTITY libusb-size "314 KB">
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<!ENTITY libusb-buildsize "2.1 MB">
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<!ENTITY libusb-time "0.03 SBU">
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]>
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<sect1 id="libusb" xreflabel="libusb-&libusb-version;">
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<?dbhtml filename="libusb.html"?>
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<title>libusb-&libusb-version;</title>
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<sect2>
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<title>Introduction to <application>libusb</application></title>
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<para>The <application>libusb</application> package contains a library
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used by some applications for <acronym>USB</acronym> device access.</para>
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<sect3><title>Package information</title>
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<itemizedlist spacing='compact'>
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<listitem><para>Download (HTTP): <ulink url="&libusb-download-http;"/></para></listitem>
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<listitem><para>Download (FTP): <ulink url="&libusb-download-ftp;"/></para></listitem>
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<listitem><para>Download size: &libusb-size;</para></listitem>
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<listitem><para>Estimated Disk space required: &libusb-buildsize;</para></listitem>
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<listitem><para>Estimated build time: &libusb-time;</para></listitem></itemizedlist>
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</sect3>
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<sect3><title><application>libusb</application> dependencies</title>
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<sect4><title>Optional</title>
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<para><xref linkend="openjade"/> and <xref linkend="sgml-dtd-3"/></para></sect4>
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</sect3>
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</sect2>
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<sect2>
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<title>Installation of <application>libusb</application></title>
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<para>Install <application>libusb</application> by running the following commands:</para>
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<screen><userinput><command>./configure --prefix=/usr --disable-build-docs &&
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make &&
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make install</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Command explanations</title>
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<para><parameter>--disable-build-docs</parameter>: This switch turns off
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the default enabled building of documentation since it requires
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<application>OpenJade</application>.</para>
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</sect2>
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<sect2>
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<title>Configuring <application>libusb</application></title>
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<!-- To be reviewed when hotplug enters the LFS book -->
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<para>libusb requires the usbfs kernel filesystem to be mounted on
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<filename class="directory">/proc/bus/usb</filename>. Applications
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require the files in this directory to be accessible to the user,
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sometimes for both reading and writing.</para>
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<para>To restrict access to <acronym>USB</acronym> devices, create the
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usb group:</para>
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<screen><userinput><command>groupadd -g 15 usb</command></userinput></screen>
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<para>To get usbfs mounted on boot, we will create a special init script,
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because just putting an extra line into
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<filename>/etc/fstab</filename> does not work for those who compiled
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"USB device filesystem" as a kernel module.
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Install <filename>/etc/rc.d/init.d/usb</filename>
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init script included in the
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<xref linkend="intro-important-bootscripts"/> package.</para>
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<screen><userinput><command>make install-usb</command></userinput></screen>
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</sect2>
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<sect2>
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<title>Contents</title>
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<para>The <application>libusb</application> package contains
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<filename class="libraryfile">libusb</filename> libraries,
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the <filename>/usr/include/usb.h</filename> header,
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and a <command>usb-config</command> script.</para>
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</sect2>
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<sect2><title>Description</title>
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<sect3><title>libusb libraries</title>
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<para><filename class="libraryfile">libusb</filename> libraries contain C functions for
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accessing <acronym>USB</acronym> hardware.</para></sect3>
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<sect3><title>usb-config</title>
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<para>The <command>usb-config</command> script provides the right
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compiler and linker flags for programs using
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this library.</para></sect3>
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</sect2>
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</sect1>
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