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40 lines
1.1 KiB
Nix
40 lines
1.1 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 version = "3.3.5"; 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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url = "ftp://ftp.fftw.org/pub/fftw/fftw-${version}.tar.gz";
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sha256 = "1kwbx92ps0r7s2mqy7lxbxanslxdzj7dp7r7gmdkzv1j8yqf3kwf";
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};
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outputs = [ "dev" "out" "doc" ]; # it's dev-doc only
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outputBin = "dev"; # fftw-wisdom
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configureFlags =
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[ "--enable-shared" "--disable-static"
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"--enable-threads"
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]
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++ optional (precision != "double") "--enable-${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 "--enable-openmp";
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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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