nixpkgs/pkgs/development/libraries/libsvm/default.nix
2023-05-05 12:34:05 +00:00

56 lines
1.4 KiB
Nix

{ lib
, stdenv
, fetchurl
, fixDarwinDylibNames
, llvmPackages
, withOpenMP ? true
}:
stdenv.mkDerivation rec {
pname = "libsvm";
version = "3.31";
src = fetchurl {
url = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/libsvm-${version}.tar.gz";
sha256 = "sha256-AKtWH0jfX8kqhCCa2P5Rmery5Rmzwnm6z8k1l4p1zx8=";
};
patches = lib.optionals withOpenMP [ ./openmp.patch ];
buildInputs = lib.optionals (stdenv.cc.isClang && withOpenMP) [ llvmPackages.openmp ];
buildFlags = [ "lib" "all" ];
outputs = [ "out" "bin" "dev" ];
nativeBuildInputs = lib.optionals stdenv.isDarwin [ fixDarwinDylibNames ];
installPhase =
let
libSuff = stdenv.hostPlatform.extensions.sharedLibrary;
soVersion = "3";
in
''
runHook preInstall
install -D libsvm.so.${soVersion} $out/lib/libsvm.${soVersion}${libSuff}
ln -s $out/lib/libsvm.${soVersion}${libSuff} $out/lib/libsvm${libSuff}
install -Dt $bin/bin/ svm-scale svm-train svm-predict
install -Dm644 -t $dev/include svm.h
mkdir $dev/include/libsvm
ln -s $dev/include/svm.h $dev/include/libsvm/svm.h
runHook postInstall
'';
meta = with lib; {
description = "A library for support vector machines";
homepage = "https://www.csie.ntu.edu.tw/~cjlin/libsvm/";
license = licenses.bsd3;
maintainers = [ ];
platforms = platforms.unix;
};
}