| [6370fa6] | 1 | <sect2>
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| 2 | <title>Contents</title>
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| 3 |
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| [b822811] | 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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| [6370fa6] | 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 |
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| [b822811] | 13 | <para>Autoconf is a tool for producing shell scripts that automatically
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| [6370fa6] | 14 | configure software source code packages to adapt to many kinds of
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| 15 | UNIX-like systems. The configuration scripts produced by Autoconf are
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| 16 | independent of Autoconf when they are run, so their users do not need to
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| [b822811] | 17 | have Autoconf.</para>
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| [6370fa6] | 18 |
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| 19 | </sect3>
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| 20 |
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| 21 | <sect3><title>autoheader</title>
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| 22 |
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| [b822811] | 23 | <para>The autoheader program can create a template file of C #define
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| 24 | statements for configure to use</para>
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| [6370fa6] | 25 |
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| 26 | </sect3>
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| 27 |
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| 28 | <sect3><title>autoreconf</title>
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| 29 |
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| [b822811] | 30 | <para>If there are a lot of Autoconf-generated configure scripts, the
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| [3cc70a0] | 31 | autoreconf program can save some work. It runs autoconf (and
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| [6370fa6] | 32 | autoheader, where appropriate) repeatedly to remake the Autoconf
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| 33 | configure scripts and configuration header templates in the directory
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| [b822811] | 34 | tree rooted at the current directory.</para>
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| [6370fa6] | 35 |
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| 36 | </sect3>
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| 37 |
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| 38 | <sect3><title>autoscan</title>
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| 39 |
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| [b822811] | 40 | <para>The autoscan program can help to create a configure.in file for
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| [6370fa6] | 41 | a software package. autoscan examines source files in the directory
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| 42 | tree rooted at a directory given as a command line argument, or the
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| 43 | current directory if none is given. It searches the source files for
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| 44 | common portability problems and creates a file configure.scan which
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| [b822811] | 45 | is a preliminary configure.in for that package.</para>
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| [6370fa6] | 46 |
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| 47 | </sect3>
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| 48 |
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| 49 | <sect3><title>autoupdate</title>
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| 50 |
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| [b822811] | 51 | <para>The autoupdate program updates a configure.in file that calls
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| 52 | Autoconf macros by their old names to use the current macro names.</para>
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| [6370fa6] | 53 |
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| 54 | </sect3>
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| 55 |
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| 56 | <sect3><title>ifnames</title>
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| 57 |
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| [b822811] | 58 | <para>ifnames can help when writing a configure.in for a software
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| [6370fa6] | 59 | package. It prints the identifiers that the package already uses in C
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| 60 | preprocessor conditionals. If a package has already been set up to
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| [3cc70a0] | 61 | have some portability, this program can help to figure out what its
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| [6370fa6] | 62 | configure needs to check for. It may help fill in some gaps in a
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| [b822811] | 63 | configure.in generated by autoscan.</para>
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| [6370fa6] | 64 |
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| 65 | </sect3>
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| 66 |
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| 67 | </sect2>
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| 68 |
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