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{fetchurl, stdenv, builderDefs, stringsWithDeps, singlePrecision ? false}:
let localDefs = builderDefs.passthru.function {
src =
fetchurl {
url = ftp://ftp.fftw.org/pub/fftw/fftw-3.2.2.tar.gz;
sha256 = "13vnglardq413q2518zi4a8pam3znydrz28m9w09kss9xrjsx9va";
};
buildInputs = [];
configureFlags = ["--enable-shared" "--enable-openmp"]
# some distros seem to be shipping both versions within the same package?
# why does --enable-float still result in ..3f.so instead of ..3.so?
++ (if singlePrecision then [ "--enable-single" ] else [ ])
# I think all i686 has sse
++ (if (stdenv.isi686 || stdenv.isx86_64) && singlePrecision then [ "--enable-sse" ] else [ ])
# I think all x86_64 has sse2
++ (if stdenv.isx86_64 && ! singlePrecision then [ "--enable-sse2" ] else [ ]);
};
in with localDefs;
stdenv.mkDerivation {
name = "fftw-3.2.2" + ( if singlePrecision then "-single" else "-double" );
builder = writeScript "fftw-3.2.1-builder"
(textClosure localDefs [doConfigure doMakeInstall doForceShare]);
meta = {
description = "Fastest Fourier Transform in the West library";
};
passthru = {
# Allow instantiating "-A fftw.src"
inherit src;
};
}
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