lfs-book-zh_CN/chapter06/readline.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
  "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
  <!ENTITY % general-entities SYSTEM "../general.ent">
  %general-entities;
]>

<sect1 id="ch-system-readline" role="wrap">
  <?dbhtml filename="readline.html"?>

  <sect1info condition="script">
    <productname>readline</productname>
    <productnumber>&readline-version;</productnumber>
    <address>&readline-url;</address>
  </sect1info>

  <title>Readline-&readline-version;</title>

  <indexterm zone="ch-system-readline">
    <primary sortas="a-Readline">Readline</primary>
  </indexterm>

  <sect2 role="package">
    <title/>

    <para>Readline 软件包包含一些提供命令行编辑和历史记录功能的库。</para>

    <segmentedlist>
      <segtitle>&buildtime;</segtitle>
      <segtitle>&diskspace;</segtitle>

      <seglistitem>
        <seg>&readline-ch6-sbu;</seg>
        <seg>&readline-ch6-du;</seg>
      </seglistitem>
    </segmentedlist>

  </sect2>

  <sect2 role="installation">
    <title>安装 Readline</title>

    <!--para>Reinstalling Readline will cause the old libraries to be moved to
    &lt;libraryname&gt;.old. While this is normally not a problem, in some cases
    it can trigger a linking bug in <command>ldconfig</command>. This can be
    avoided by issuing the following two seds:</para-->
    <para>重新安装 Readline 会导致旧版本的库被重命名为
		&lt;库名称&gt;.old 。这一般不是问题，但某些情况下会触发
		<command>ldconfig</command> 的一个链接 bug 。
		运行以下两条 sed 命令防止这种情况：</para>

<screen><userinput remap="pre">sed -i '/MV.*old/d' Makefile.in
sed -i '/{OLDSUFF}/c:' support/shlib-install</userinput></screen>

    <para>准备安装 Readline：</para>

<screen><userinput remap="configure">./configure --prefix=/usr    \
            --disable-static \
            --docdir=/usr/share/doc/readline-&readline-version;</userinput></screen>

    <para>编译该软件包：</para>

<screen><userinput remap="make">make SHLIB_LIBS="-L/tools/lib -lncursesw"</userinput></screen>

    <variablelist>
      <title>make 命令选项的含义</title>

      <varlistentry>
        <term><parameter>SHLIB_LIBS="-L/tools/lib -lncursesw"</parameter></term>
        <listitem>
          <para>该选项强制 Readline 链接到
          <filename class="libraryfile">libncursesw</filename> 库。</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <para>该软件包不包含测试套件。</para>

    <para>安装该软件包：</para>

<screen><userinput remap="install">make SHLIB_LIBS="-L/tools/lib -lncurses" install</userinput></screen>

    <!--para>Now move the dynamic libraries to a more appropriate location
    and fix up some permissions and symbolic links:</para-->
	<para>下面将动态库移动到更合适的位置，并修正访问权限和符号链接：</para>

<screen><userinput remap="install">mv -v /usr/lib/lib{readline,history}.so.* /lib
chmod -v u+w /lib/lib{readline,history}.so.*
ln -sfv ../../lib/$(readlink /usr/lib/libreadline.so) /usr/lib/libreadline.so
ln -sfv ../../lib/$(readlink /usr/lib/libhistory.so ) /usr/lib/libhistory.so</userinput></screen>

    <para>如果您希望的话，可以安装文档：</para>

<screen><userinput remap="install">install -v -m644 doc/*.{ps,pdf,html,dvi} /usr/share/doc/readline-&readline-version;</userinput></screen>

  </sect2>

  <sect2 id="contents-readline" role="content">
    <title>Readline 的内容</title>

    <segmentedlist>
      <segtitle>安装的库</segtitle>
      <segtitle>安装的目录</segtitle>

      <seglistitem>
        <seg>libhistory.so 和 libreadline.so</seg>
        <seg>/usr/include/readline, /usr/share/readline, 以及
        /usr/share/doc/readline-&readline-version;</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">简要描述</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="libhistory">
        <term><filename class="libraryfile">libhistory</filename></term>
        <listitem>
          <para>提供一个查询之前输入行的一致用户接口</para>
          <indexterm zone="ch-system-readline libhistory">
            <primary sortas="c-libhistory">libhistory</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libreadline">
        <term><filename class="libraryfile">libreadline</filename></term>
        <listitem>
          <para>提供一组在程序的交互会话中操纵输入的文本的命令</para>
          <indexterm zone="ch-system-readline libreadline">
            <primary sortas="c-libreadline">libreadline</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>