{ lib, stdenv, fetchurl, jre, unzip, makeWrapper }: stdenv.mkDerivation rec { pname = "weka"; version = "3.9.2"; src = fetchurl { url = "mirror://sourceforge/weka/${lib.replaceChars ["."]["-"] "${pname}-${version}"}.zip"; sha256 = "0zwmhspmqb0a7cm6k6i0s6q3w19ws1g9dx3cp2v3g3vsif6cdh31"; }; nativeBuildInputs = [ makeWrapper unzip ]; # The -Xmx1000M comes suggested from their download page: # http://www.cs.waikato.ac.nz/ml/weka/downloading.html installPhase = '' mkdir -pv $out/share/weka cp -Rv * $out/share/weka makeWrapper ${jre}/bin/java $out/bin/weka \ --add-flags "-Xmx1000M -jar $out/share/weka/weka.jar" ''; meta = { homepage = "http://www.cs.waikato.ac.nz/ml/weka/"; description = "Collection of machine learning algorithms for data mining tasks"; license = lib.licenses.gpl2Plus; maintainers = [ lib.maintainers.mimame ]; platforms = lib.platforms.unix; }; }