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 |
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13 | <para>Autoconf is a tool for producing shell scripts that automatically
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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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17 | have Autoconf.</para>
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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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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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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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30 | <para>If there are a lot of Autoconf-generated configure scripts, the
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31 | autoreconf program can save some work. It runs autoconf (and
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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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34 | tree rooted at the current directory.</para>
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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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40 | <para>The autoscan program can help to create a configure.in file for
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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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45 | is a preliminary configure.in for that package.</para>
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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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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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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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58 | <para>ifnames can help when writing a configure.in for a software
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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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61 | have some portability, this program can help to figure out what its
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62 | configure needs to check for. It may help fill in some gaps in a
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63 | configure.in generated by autoscan.</para>
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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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