37 lines
1.6 KiB
Nix
37 lines
1.6 KiB
Nix
{fetchurl, stdenv, builderDefs, stringsWithDeps, singlePrecision ? false, pthreads ? false, float ? false}:
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let
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version = "3.3.2";
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localDefs = builderDefs.passthru.function {
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src =
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fetchurl {
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url = "ftp://ftp.fftw.org/pub/fftw/fftw-${version}.tar.gz";
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sha256 = "b1236a780ca6e66fc5f8eda6ef0665d680e8253d9f01d7bf211b714a50032d01";
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};
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buildInputs = [];
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configureFlags = ["--enable-shared"]
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# some distros seem to be shipping both versions within the same package?
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# why does --enable-float still result in ..3f.so instead of ..3.so?
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++ (if singlePrecision then [ "--enable-single" ] else [ ])
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++ (if float then [ "--enable-float" ] else [ ])
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++ (stdenv.lib.optional (!pthreads) "--enable-openmp")
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++ (stdenv.lib.optional pthreads "--enable-threads")
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# I think all i686 has sse
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++ (if (stdenv.isi686 || stdenv.isx86_64) && singlePrecision then [ "--enable-sse" ] else [ ])
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# I think all x86_64 has sse2
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++ (if stdenv.isx86_64 && ! singlePrecision then [ "--enable-sse2" ] else [ ]);
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};
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in with localDefs;
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stdenv.mkDerivation {
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name = "fftw-3.3.2" + ( if singlePrecision then "-single" else "-double" );
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builder = writeScript "fftw-3.3.2-builder"
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(textClosure localDefs [doConfigure doMakeInstall doForceShare]);
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meta = {
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description = "Fastest Fourier Transform in the West library";
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};
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passthru = {
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# Allow instantiating "-A fftw.src"
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inherit src;
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};
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}
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