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5.20. Grep-2.5.1a
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Linux From Scratch - Version 6.1
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Chapter 5. 构建临时编译环境
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5.20. Grep-2.5.1a
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<p>Grep 可以搜索并打印出文件中符合指定匹配模式的行。
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<strong><span class="segtitle">预计编译时间：</span></strong> <span class="seg">0.1 SBU</span>
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<strong><span class="segtitle">所需磁盘空间：</span></strong> <span class="seg">4.5 MB</span>
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<strong><span class="segtitle">安装依赖于：</span></strong> <span class="seg">Bash, Binutils, Coreutils, Diffutils, GCC, Gettext, Glibc, Make, Sed, Texinfo</span>
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5.20.1. 安装 Grep
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<p>准备编译 Grep：
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<pre class="userinput"><kbd class="command">./configure --prefix=/tools \
--disable-perl-regexp</kbd></pre>
<p>配置选项的含义：
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<dt>
<span class="term"><em class="parameter"><tt>--disable-perl-regexp</tt></em></span>
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<p>这个选项确保 <span><strong class="command">grep</strong></span> 程序不连接可能在宿主系统上存在的 PCRE(Perl 兼容正则表达式)库，因为进入 <span><strong class="command">chroot</strong></span> 环境后，它就不能使用了。
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<p>编译软件包：
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<pre class="userinput"><kbd class="command">make</kbd></pre>
<p>要测试结果，请运行： <strong class="userinput"><tt>make check</tt></strong>
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<p>安装软件包：
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<pre class="userinput"><kbd class="command">make install</kbd></pre>
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<p>关于这个软件包的详细资料位于 <a href="../chapter06/grep.html#contents-grep" title="6.44.2. Contents of Grep">Section 6.44.2, “Contents of Grep.”</a>
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