| 1 | <sect2>
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| 2 | <title>Contents</title>
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| 3 |
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| 4 | <para>The Autoconf package contains the autoconf, autoheader, autoreconf,
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| 5 | autoscan, autoupdate and ifnames programs</para>
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| 6 |
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| 7 | </sect2>
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| 8 |
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| 9 | <sect2><title>Description</title>
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| 10 |
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| 11 | <sect3><title>autoconf</title>
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| 12 | <para>Autoconf is a tool for producing shell scripts that automatically
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| 13 | configure software source code packages to adapt to many kinds of
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| 14 | UNIX-like systems. The configuration scripts produced by Autoconf are
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| 15 | independent of Autoconf when they are run, so their users do not need to
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| 16 | have Autoconf.</para></sect3>
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| 17 |
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| 18 | <sect3><title>autoheader</title>
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| 19 | <para>The autoheader program can create a template file of C #define
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| 20 | statements for configure to use</para></sect3>
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| 21 |
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| 22 | <sect3><title>autoreconf</title>
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| 23 | <para>If there are a lot of Autoconf-generated configure scripts, the
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| 24 | autoreconf program can save some work. It runs autoconf (and
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| 25 | autoheader, where appropriate) repeatedly to remake the Autoconf
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| 26 | configure scripts and configuration header templates in the directory
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| 27 | tree rooted at the current directory.</para></sect3>
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| 28 |
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| 29 | <sect3><title>autoscan</title>
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| 30 | <para>The autoscan program can help to create a configure.in file for
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| 31 | a software package. autoscan examines source files in the directory
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| 32 | tree rooted at a directory given as a command line argument, or the
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| 33 | current directory if none is given. It searches the source files for
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| 34 | common portability problems and creates a file configure.scan which
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| 35 | is a preliminary configure.in for that package.</para></sect3>
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| 36 |
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| 37 | <sect3><title>autoupdate</title>
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| 38 | <para>The autoupdate program updates a configure.in file that calls
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| 39 | Autoconf macros by their old names to use the current
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| 40 | macro names.</para></sect3>
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| 41 |
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| 42 | <sect3><title>ifnames</title>
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| 43 | <para>ifnames can help when writing a configure.in for a software
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| 44 | package. It prints the identifiers that the package already uses in C
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| 45 | preprocessor conditionals. If a package has already been set up to
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| 46 | have some portability, this program can help to figure out what its
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| 47 | configure needs to check for. It may help fill in some gaps in a
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| 48 | configure.in generated by autoscan.</para></sect3>
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| 49 |
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| 50 | </sect2>
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| 51 |
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