1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
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3 | <!ENTITY % general-entities SYSTEM "../general.ent">
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4 | %general-entities;
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5 | ]>
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6 | <sect1 id="ch-system-m4" xreflabel="M4">
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7 | <title>M4-&m4-version;</title>
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8 | <?dbhtml filename="m4.html"?>
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9 |
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10 | <indexterm zone="ch-system-m4"><primary sortas="a-M4">M4</primary></indexterm>
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11 |
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12 | <para>The M4 package contains a macro processor.</para>
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13 |
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14 | <screen>&buildtime; 0.1 SBU
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15 | &diskspace; 3.0 MB</screen>
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16 |
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17 | <para>M4 installation depends on: Bash, Binutils, Coreutils, Diffutils, GCC,
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18 | Gettext, Glibc, Grep, Make, Perl, Sed.</para>
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19 |
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20 |
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21 |
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22 | <sect2>
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23 | <title>Installation of M4</title>
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24 |
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25 | <para>Prepare M4 for compilation:</para>
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26 |
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27 | <screen><userinput>./configure --prefix=/usr</userinput></screen>
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28 |
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29 | <para>Compile the package:</para>
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30 |
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31 | <screen><userinput>make</userinput></screen>
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32 |
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33 | <para>To test the results, issue:
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34 | <userinput>make check</userinput>.</para>
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35 |
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36 | <para>And install the package:</para>
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37 |
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38 | <screen><userinput>make install</userinput></screen>
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39 |
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40 | </sect2>
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41 |
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42 |
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43 | <sect2 id="contents-m4"><title>Contents of M4</title>
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44 |
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45 | <para><emphasis>Installed program</emphasis>: m4</para>
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46 |
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47 | </sect2>
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48 |
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49 | <sect2><title>Short description</title>
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50 |
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51 | <indexterm zone="ch-system-m4 m4"><primary sortas="b-m4">m4</primary></indexterm>
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52 | <para id="m4"><command>m4</command> copies the given files
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53 | while expanding the macros that they contain. These macros are either built-in
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54 | or user-defined and can take any number of arguments. Besides just doing macro
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55 | expansion, m4 has built-in functions for including named files, running Unix
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56 | commands, doing integer arithmetic, manipulating text in various ways,
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57 | recursion, and so on. The m4 program can be used either as a front-end to a
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58 | compiler or as a macro processor in its own right.</para>
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59 |
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60 | </sect2>
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61 |
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62 |
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63 |
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64 | </sect1>
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