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Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam
date Tue, 19 Nov 2019 14:52:55 +0000
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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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3 <!-- This manual is for FFTW
4 (version 3.3.8, 24 May 2018).
5
6 Copyright (C) 2003 Matteo Frigo.
7
8 Copyright (C) 2003 Massachusetts Institute of Technology.
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10 Permission is granted to make and distribute verbatim copies of this
11 manual provided the copyright notice and this permission notice are
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24 <head>
25 <title>FFTW 3.3.8: Installation on non-Unix systems</title>
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71 <a name="Installation-on-non_002dUnix-systems"></a>
72 <div class="header">
73 <p>
74 Next: <a href="Cycle-Counters.html#Cycle-Counters" accesskey="n" rel="next">Cycle Counters</a>, Previous: <a href="Installation-on-Unix.html#Installation-on-Unix" accesskey="p" rel="prev">Installation on Unix</a>, Up: <a href="Installation-and-Customization.html#Installation-and-Customization" accesskey="u" rel="up">Installation and Customization</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
75 </div>
76 <hr>
77 <a name="Installation-on-non_002dUnix-systems-1"></a>
78 <h3 class="section">10.2 Installation on non-Unix systems</h3>
79
80 <p>It should be relatively straightforward to compile FFTW even on non-Unix
81 systems lacking the niceties of a <code>configure</code> script. Basically,
82 you need to edit the <code>config.h</code> header (copy it from
83 <code>config.h.in</code>) to <code>#define</code> the various options and compiler
84 characteristics, and then compile all the &lsquo;<samp>.c</samp>&rsquo; files in the
85 relevant directories.
86 </p>
87 <p>The <code>config.h</code> header contains about 100 options to set, each one
88 initially an <code>#undef</code>, each documented with a comment, and most of
89 them fairly obvious. For most of the options, you should simply
90 <code>#define</code> them to <code>1</code> if they are applicable, although a few
91 options require a particular value (e.g. <code>SIZEOF_LONG_LONG</code> should
92 be defined to the size of the <code>long long</code> type, in bytes, or zero
93 if it is not supported). We will likely post some sample
94 <code>config.h</code> files for various operating systems and compilers for
95 you to use (at least as a starting point). Please let us know if you
96 have to hand-create a configuration file (and/or a pre-compiled binary)
97 that you want to share.
98 </p>
99 <p>To create the FFTW library, you will then need to compile all of the
100 &lsquo;<samp>.c</samp>&rsquo; files in the <code>kernel</code>, <code>dft</code>, <code>dft/scalar</code>,
101 <code>dft/scalar/codelets</code>, <code>rdft</code>, <code>rdft/scalar</code>,
102 <code>rdft/scalar/r2cf</code>, <code>rdft/scalar/r2cb</code>,
103 <code>rdft/scalar/r2r</code>, <code>reodft</code>, and <code>api</code> directories.
104 If you are compiling with SIMD support (e.g. you defined
105 <code>HAVE_SSE2</code> in <code>config.h</code>), then you also need to compile
106 the <code>.c</code> files in the <code>simd-support</code>,
107 <code>{dft,rdft}/simd</code>, <code>{dft,rdft}/simd/*</code> directories.
108 </p>
109 <p>Once these files are all compiled, link them into a library, or a shared
110 library, or directly into your program.
111 </p>
112 <p>To compile the FFTW test program, additionally compile the code in the
113 <code>libbench2/</code> directory, and link it into a library. Then compile
114 the code in the <code>tests/</code> directory and link it to the
115 <code>libbench2</code> and FFTW libraries. To compile the <code>fftw-wisdom</code>
116 (command-line) tool (see <a href="Wisdom-Utilities.html#Wisdom-Utilities">Wisdom Utilities</a>), compile
117 <code>tools/fftw-wisdom.c</code> and link it to the <code>libbench2</code> and FFTW
118 libraries
119 </p>
120 <hr>
121 <div class="header">
122 <p>
123 Next: <a href="Cycle-Counters.html#Cycle-Counters" accesskey="n" rel="next">Cycle Counters</a>, Previous: <a href="Installation-on-Unix.html#Installation-on-Unix" accesskey="p" rel="prev">Installation on Unix</a>, Up: <a href="Installation-and-Customization.html#Installation-and-Customization" accesskey="u" rel="up">Installation and Customization</a> &nbsp; [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
124 </div>
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