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e2b44b3170
The fftw download page provides both an HTTP and FTP endpoint for downloading release tarballs: http://fftw.org/download.html Since some users may have difficulty fetching via FTP through corporate firewalls, we should provide the option to get it over HTTP as well.
49 lines
1.4 KiB
Nix
49 lines
1.4 KiB
Nix
{ fetchurl, stdenv, lib, precision ? "double" }:
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with lib;
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assert elem precision [ "single" "double" "long-double" "quad-precision" ];
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let
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version = "3.3.8";
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withDoc = stdenv.cc.isGNU;
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in
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stdenv.mkDerivation rec {
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name = "fftw-${precision}-${version}";
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src = fetchurl {
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urls = [
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"http://fftw.org/fftw-${version}.tar.gz"
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"ftp://ftp.fftw.org/pub/fftw/fftw-${version}.tar.gz"
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];
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sha256 = "00z3k8fq561wq2khssqg0kallk0504dzlx989x3vvicjdqpjc4v1";
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};
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outputs = [ "out" "dev" "man" ]
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++ optional withDoc "info"; # it's dev-doc only
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outputBin = "dev"; # fftw-wisdom
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configureFlags =
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[ "--enable-shared" "--disable-static"
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"--enable-threads"
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]
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++ optional (precision != "double") "--enable-${precision}"
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# all x86_64 have sse2
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# however, not all float sizes fit
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++ optional (stdenv.isx86_64 && (precision == "single" || precision == "double") ) "--enable-sse2"
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++ optional (stdenv.cc.isGNU && !stdenv.hostPlatform.isMusl) "--enable-openmp"
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# doc generation causes Fortran wrapper generation which hard-codes gcc
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++ optional (!withDoc) "--disable-doc";
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enableParallelBuilding = true;
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meta = with stdenv.lib; {
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description = "Fastest Fourier Transform in the West library";
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homepage = http://www.fftw.org/;
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license = licenses.gpl2Plus;
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maintainers = [ maintainers.spwhitt ];
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platforms = platforms.unix;
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};
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}
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