nixpkgs/pkgs/development/libraries/libsvm/default.nix

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{stdenv, fetchurl}:
stdenv.mkDerivation rec {
name = "libsvm-${version}";
version = "3.23";
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src = fetchurl {
url = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/libsvm-${version}.tar.gz";
sha256 = "0jpaq0rr92x38p4nk3gjan79ip67m6p80anb28z1d8601miysyi5";
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};
buildPhase = ''
make
make lib
'';
installPhase = let
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libSuff = stdenv.hostPlatform.extensions.sharedLibrary;
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in ''
mkdir -p $out/lib $out/bin $out/include;
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cp libsvm.so.2 $out/lib/libsvm.2${libSuff};
ln -s $out/lib/libsvm.2${libSuff} $out/lib/libsvm${libSuff};
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cp svm-scale svm-train svm-predict $out/bin;
cp svm.h $out/include;
'';
postFixup = stdenv.lib.optionalString stdenv.isDarwin ''
install_name_tool -id libsvm.2.dylib $out/lib/libsvm.2.dylib;
'';
meta = with stdenv.lib; {
description = "A library for support vector machines";
homepage = https://www.csie.ntu.edu.tw/~cjlin/libsvm/;
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license = licenses.bsd3;
maintainers = [ maintainers.spwhitt ];
platforms = platforms.unix;
};
}