b9e7a56c77
(higher speed, multithread). I also fixed the namings about single/double floats. svn path=/nixpkgs/trunk/; revision=22402
32 lines
1.3 KiB
Nix
32 lines
1.3 KiB
Nix
{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;
|
|
};
|
|
}
|