81 lines
3.6 KiB
HTML
81 lines
3.6 KiB
HTML
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<!DOCTYPE html>
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<html>
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<!-- Created by GNU Texinfo 7.1, https://www.gnu.org/software/texinfo/ -->
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<!-- This manual documents Guile version 3.0.10.
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Copyright (C) 1996-1997, 2000-2005, 2009-2023 Free Software Foundation,
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Inc.
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Copyright (C) 2021 Maxime Devos
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Copyright (C) 2024 Tomas Volf
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A
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copy of the license is included in the section entitled "GNU Free
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Documentation License." -->
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<title>Autoconf Background (Guile Reference Manual)</title>
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<meta name="description" content="Autoconf Background (Guile Reference Manual)">
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<meta name="keywords" content="Autoconf Background (Guile Reference Manual)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content=".texi2any-real">
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<meta name="viewport" content="width=device-width,initial-scale=1">
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<link href="index.html" rel="start" title="Top">
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<link href="Concept-Index.html" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Autoconf-Support.html" rel="up" title="Autoconf Support">
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<link href="Autoconf-Macros.html" rel="next" title="Autoconf Macros">
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<style type="text/css">
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<!--
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a.copiable-link {visibility: hidden; text-decoration: none; line-height: 0em}
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span:hover a.copiable-link {visibility: visible}
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-->
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</style>
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<link rel="stylesheet" type="text/css" href="https://www.gnu.org/software/gnulib/manual.css">
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</head>
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<body lang="en">
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<div class="subsection-level-extent" id="Autoconf-Background">
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<div class="nav-panel">
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<p>
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Next: <a href="Autoconf-Macros.html" accesskey="n" rel="next">Autoconf Macros</a>, Up: <a href="Autoconf-Support.html" accesskey="u" rel="up">Autoconf Support</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<h4 class="subsection" id="Autoconf-Background-1"><span>5.8.1 Autoconf Background<a class="copiable-link" href="#Autoconf-Background-1"> ¶</a></span></h4>
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<p>As explained in the <cite class="cite">GNU Autoconf Manual</cite>, any package needs
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configuration at build-time (see <a data-manual="autoconf" href="https://www.gnu.org/software/autoconf/manual/html_node/index.html#Top">Introduction</a> in <cite class="cite">The GNU
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Autoconf Manual</cite>). If your package uses Guile (or uses a package that
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in turn uses Guile), you probably need to know what specific Guile
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features are available and details about them.
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</p>
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<p>The way to do this is to write feature tests and arrange for their execution
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by the <samp class="file">configure</samp> script, typically by adding the tests to
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<samp class="file">configure.ac</samp>, and running <code class="code">autoconf</code> to create <samp class="file">configure</samp>.
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Users of your package then run <samp class="file">configure</samp> in the normal way.
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</p>
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<p>Macros are a way to make common feature tests easy to express.
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Autoconf provides a wide range of macros
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(see <a data-manual="autoconf" href="https://www.gnu.org/software/autoconf/manual/html_node/Existing-Tests.html#Existing-Tests">Existing Tests</a> in <cite class="cite">The GNU Autoconf Manual</cite>),
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and Guile installation provides Guile-specific tests in the areas of:
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program detection, compilation flags reporting, and Scheme module
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checks.
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</p>
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</div>
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</body>
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</html>
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