| 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-autoconf" xreflabel="Autoconf">
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| 7 | <title>Autoconf-&autoconf-version;</title>
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| 8 | <?dbhtml filename="autoconf.html"?>
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| 9 |
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| 10 | <indexterm zone="ch-system-autoconf"><primary sortas="a-Autoconf">Autoconf</primary></indexterm>
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| 11 |
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| 12 | <para>The Autoconf package contains programs for producing shell scripts that
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| 13 | can automatically configure source code.</para>
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| 14 |
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| 15 | <screen>&buildtime; 0.5 SBU
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| 16 | &diskspace; 7.7 MB</screen>
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| 17 |
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| 18 | <para>Autoconf installation depends on: Bash, Coreutils, Diffutils, Grep,
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| 19 | M4, Make, Perl, Sed.</para>
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| 20 |
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| 21 |
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| 22 | <sect2>
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| 23 | <title>Installation of Autoconf</title>
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| 24 |
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| 25 | <para>Prepare Autoconf 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>. This takes a long time, about 2 SBUs.</para>
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| 35 |
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| 36 | <para>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-autoconf"><title>Contents of Autoconf</title>
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| 44 |
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| 45 | <para><emphasis>Installed programs</emphasis>: autoconf, autoheader, autom4te,
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| 46 | autoreconf, autoscan, autoupdate and ifnames</para>
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| 47 |
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| 48 | </sect2>
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| 49 |
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| 50 | <sect2><title>Short descriptions</title>
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| 51 |
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| 52 | <indexterm zone="ch-system-autoconf autoconf"><primary sortas="b-autoconf">autoconf</primary></indexterm>
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| 53 | <para id="autoconf"><command>autoconf</command> is a tool for producing shell scripts
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| 54 | that automatically configure software source code packages to adapt to many
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| 55 | kinds of Unix-like systems. The configuration scripts it produces are
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| 56 | independent -- running them does not require the autoconf program.</para>
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| 57 |
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| 58 | <indexterm zone="ch-system-autoconf autoheader"><primary sortas="b-autoheader">autoheader</primary></indexterm>
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| 59 | <para id="autoheader"><command>autoheader</command> is a tool for creating template files
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| 60 | of C #define statements for configure to use.</para>
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| 61 |
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| 62 | <indexterm zone="ch-system-autoconf autom4te"><primary sortas="b-autom4te">autom4te</primary></indexterm>
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| 63 | <para id="autom4te"><command>autom4te</command> is a wrapper for the M4 macro
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| 64 | processor.</para>
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| 65 |
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| 66 | <indexterm zone="ch-system-autoconf autoreconf"><primary sortas="b-autoreconf">autoreconf</primary></indexterm>
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| 67 | <para id="autoreconf"><command>autoreconf</command> comes in handy when there are a lot
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| 68 | of autoconf-generated configure scripts around. The program runs autoconf and
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| 69 | autoheader repeatedly (where appropriate) to remake the autoconf configure
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| 70 | scripts and configuration header templates in a given directory tree.</para>
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| 71 |
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| 72 | <indexterm zone="ch-system-autoconf autoscan"><primary sortas="b-autoscan">autoscan</primary></indexterm>
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| 73 | <para id="autoscan"><command>autoscan</command> can help to create a
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| 74 | <filename>configure.in</filename> file for a software package. It examines
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| 75 | the source files in a directory tree, searching them for common portability
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| 76 | problems and creates a <filename>configure.scan</filename> file that serves as
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| 77 | as a preliminary <filename>configure.in</filename> for the package.</para>
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| 78 |
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| 79 | <indexterm zone="ch-system-autoconf autoupdate"><primary sortas="b-autoupdate">autoupdate</primary></indexterm>
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| 80 | <para id="autoupdate"><command>autoupdate</command> modifies a
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| 81 | <filename>configure.in</filename> file that still calls autoconf macros
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| 82 | by their old names to use the current macro names.</para>
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| 83 |
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| 84 | <indexterm zone="ch-system-autoconf ifnames"><primary sortas="b-ifnames">ifnames</primary></indexterm>
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| 85 | <para id="ifnames"><command>ifnames</command> can be helpful when writing a
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| 86 | <filename>configure.in</filename> for a software package. It prints the
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| 87 | identifiers that the package uses in C preprocessor conditionals. If a package
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| 88 | has already been set up to have some portability, this program can help to
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| 89 | determine what <command>configure</command> needs to check. It can fill
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| 90 | in some gaps in a <filename>configure.in</filename> file generated by
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| 91 | autoscan.</para>
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| 92 |
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| 93 | </sect2>
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| 94 |
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| 95 |
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| 96 |
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| 97 | </sect1>
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