| 1 | <sect2><title> </title><para> </para></sect2>
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| 2 |
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| 3 | <sect2><title>Descriptions</title>
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| 4 |
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| 5 | <para>(Last checked against version &autoconf-contversion;.)</para>
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| 6 | <sect3><title>Program file descriptions</title>
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| 7 | <sect4><title>autoconf</title>
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| 8 | <para>autoconf is a tool for producing shell scripts that automatically
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| 9 | configure software source code packages to adapt to many kinds of
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| 10 | Unix-like systems. The configuration scripts produced by autoconf are
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| 11 | independent of autoconf when they are run, so their users do not need to
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| 12 | have autoconf.</para></sect4>
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| 13 |
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| 14 | <sect4><title>autoheader</title>
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| 15 | <para>The autoheader program can create a template file of C #define
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| 16 | statements for configure to use.</para></sect4>
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| 17 |
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| 18 | <sect4><title>autom4te</title>
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| 19 | <para>autom4te runs GNU M4 on files.</para></sect4>
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| 20 |
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| 21 | <sect4><title>autoreconf</title>
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| 22 | <para>If there are a lot of autoconf-generated configure scripts, the
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| 23 | autoreconf program can save some work. It runs autoconf and
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| 24 | autoheader (where appropriate) repeatedly to remake the autoconf
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| 25 | configure scripts and configuration header templates in the directory
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| 26 | tree rooted at the current directory.</para></sect4>
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| 27 |
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| 28 | <sect4><title>autoscan</title>
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| 29 | <para>The autoscan program can help to create a configure.in file for
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| 30 | a software package. autoscan examines the source files in a directory
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| 31 | tree. If a directory is not specified on the command line, then the
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| 32 | current working directory is used. The source files are searched for
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| 33 | common portability problems and a configure.scan file is created to
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| 34 | serve as the preliminary configure.in for that package.</para></sect4>
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| 35 |
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| 36 | <sect4><title>autoupdate</title>
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| 37 | <para>The autoupdate program updates a configure.in file that calls
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| 38 | autoconf macros by their old names to use the current
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| 39 | macro names.</para></sect4>
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| 40 |
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| 41 | <sect4><title>ifnames</title>
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| 42 | <para>ifnames can help when writing a configure.in for a software
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| 43 | package. It prints the identifiers that the package already uses in C
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| 44 | preprocessor conditionals. If a package has already been set up to
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| 45 | have some portability, this program can help to determine what configure
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| 46 | needs to check. It may fill in some gaps in a configure.in file generated
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| 47 | by autoscan.</para></sect4>
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| 48 |
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| 49 | </sect3>
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| 50 |
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| 51 | </sect2>
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