| [6370fa6] | 1 | <sect2>
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| 2 | <title>Contents</title>
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| 3 |
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| 4 | <para>
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| 5 | The Autoconf package contains the autoconf, autoheader, autoreconf,
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| 6 | autoscan, autoupdate and ifnames programs
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| 7 | </para>
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| 8 |
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| 9 | </sect2>
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| 10 |
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| 11 | <sect2><title>Description</title>
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| 12 |
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| 13 | <sect3><title>autoconf</title>
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| 14 |
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| 15 | <para>
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| 16 | Autoconf is a tool for producing shell scripts that automatically
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| 17 | configure software source code packages to adapt to many kinds of
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| 18 | UNIX-like systems. The configuration scripts produced by Autoconf are
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| 19 | independent of Autoconf when they are run, so their users do not need to
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| 20 | have Autoconf.
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| 21 | </para>
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| 22 |
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| 23 | </sect3>
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| 24 |
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| 25 | <sect3><title>autoheader</title>
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| 26 |
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| 27 | <para>
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| 28 | The autoheader program can create a template file of C #define
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| 29 | statements for configure to use
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| 30 | </para>
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| 31 |
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| 32 | </sect3>
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| 33 |
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| 34 | <sect3><title>autoreconf</title>
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| 35 |
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| 36 | <para>
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| [3cc70a0] | 37 | If there are a lot of Autoconf-generated configure scripts, the
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| 38 | autoreconf program can save some work. It runs autoconf (and
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| [6370fa6] | 39 | autoheader, where appropriate) repeatedly to remake the Autoconf
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| 40 | configure scripts and configuration header templates in the directory
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| 41 | tree rooted at the current directory.
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| 42 | </para>
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| 43 |
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| 44 | </sect3>
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| 45 |
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| 46 | <sect3><title>autoscan</title>
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| 47 |
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| 48 | <para>
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| [3cc70a0] | 49 | The autoscan program can help to create a configure.in file for
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| [6370fa6] | 50 | a software package. autoscan examines source files in the directory
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| 51 | tree rooted at a directory given as a command line argument, or the
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| 52 | current directory if none is given. It searches the source files for
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| 53 | common portability problems and creates a file configure.scan which
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| 54 | is a preliminary configure.in for that package.
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| 55 | </para>
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| 56 |
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| 57 | </sect3>
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| 58 |
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| 59 | <sect3><title>autoupdate</title>
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| 60 |
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| 61 | <para>
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| 62 | The autoupdate program updates a configure.in file that calls
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| 63 | Autoconf macros by their old names to use the current macro names.
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| 64 | </para>
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| 65 |
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| 66 | </sect3>
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| 67 |
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| 68 | <sect3><title>ifnames</title>
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| 69 |
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| 70 | <para>
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| 71 | ifnames can help when writing a configure.in for a software
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| 72 | package. It prints the identifiers that the package already uses in C
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| 73 | preprocessor conditionals. If a package has already been set up to
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| [3cc70a0] | 74 | have some portability, this program can help to figure out what its
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| [6370fa6] | 75 | configure needs to check for. It may help fill in some gaps in a
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| 76 | configure.in generated by autoscan.
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| 77 | </para>
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| 78 |
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| 79 | </sect3>
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| 80 |
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| 81 | </sect2>
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| 82 |
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