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6.31.&nbsp;M4-1.4.17
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Linux From Scratch - Version 7.7-systemd
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<h3>
第六章&nbsp;安装基本的系统软件
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<h1 class="sect1">
<a id="ch-system-m4" name="ch-system-m4"></a>6.31. M4-1.4.17
</h1>
<div class="package" lang="en" xml:lang="en">
<p>
M4 软件包包含一个宏处理器。
</p>
<div class="segmentedlist">
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<div class="seg">
<strong class="segtitle">大概编译时间:</strong>
<span class="segbody">0.4 SBU</span>
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<strong class="segtitle">需要磁盘空间:</strong>
<span class="segbody">31 MB</span>
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<div class="installation" lang="en" xml:lang="en">
<h2 class="sect2">
6.31.1. 安装 M4
</h2>
<p>
准备编译 M4
</p>
<pre class="userinput">
<kbd class="command">./configure --prefix=/usr</kbd>
</pre>
<p>
编译软件包:
</p>
<pre class="userinput">
<kbd class="command">make</kbd>
</pre>
<p>
用以下命令测试结果:
</p>
<pre class="userinput">
<kbd class="command">make check</kbd>
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<p>
安装软件包:
</p>
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<kbd class="command">make install</kbd>
</pre>
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<h2 class="sect2">
<a id="contents-m4" name="contents-m4"></a>6.31.2. M4 的内容
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<strong class="segtitle">安装的程序:</strong>
<span class="segbody">m4</span>
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简要介绍
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<p>
<a id="m4" name="m4"></a><span class="term"><span class=
"command"><strong>m4</strong></span></span>
</p>
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<td>
<p>
复制给定的文件并扩展其中包括的宏[这些宏或者是内建的或是
用户定义的,可以有任何数目的参数。除了进行宏扩展,<span class=
"command"><strong>m4</strong></span>
还有用于包含命名文件、运行 Unix 命令、进行整数运算、操作文本、
递归等内建函数。<span class=
"command"><strong>m4</strong></span>
程序可以作为一个编译器的前端,也可以作为一个宏处理器使用。]
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<span class="firstname">翻译团队:<a href="http://lctt.github.io/" target="_blank">LCTT</a></span>
<span class="surname">译者/校对:<a href="http://github.com/ictlyh" target="_blank">ictlyh</a>,</span>
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