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{ config, stdenv, lib, fetchgit, cmake
, cudaSupport ? config.cudaSupport or false, cudatoolkit
, ncclSupport ? false, nccl
, llvmPackages
}:
assert ncclSupport -> cudaSupport;
stdenv.mkDerivation rec {
pname = "xgboost";
version = "0.90";
# needs submodules
src = fetchgit {
url = "https://github.com/dmlc/xgboost";
rev = "refs/tags/v${version}";
sha256 = "1zs15k9crkiq7bnr4gqq53mkn3w8z9dq4nwlavmfcr5xr5gw2pw4";
};
enableParallelBuilding = true;
nativeBuildInputs = [ cmake ] ++ lib.optional stdenv.isDarwin llvmPackages.openmp;
buildInputs = lib.optional cudaSupport cudatoolkit
++ lib.optional ncclSupport nccl;
cmakeFlags = lib.optionals cudaSupport [ "-DUSE_CUDA=ON" "-DCUDA_HOST_COMPILER=${cudatoolkit.cc}/bin/cc" ]
++ lib.optional ncclSupport "-DUSE_NCCL=ON";
installPhase = let
libname = "libxgboost${stdenv.hostPlatform.extensions.sharedLibrary}";
in ''
mkdir -p $out
cp -r ../include $out
install -Dm755 ../lib/${libname} $out/lib/${libname}
install -Dm755 ../xgboost $out/bin/xgboost
'';
meta = with stdenv.lib; {
description = "Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library";
homepage = https://github.com/dmlc/xgboost;
license = licenses.asl20;
platforms = [ "x86_64-linux" "i686-linux" "x86_64-darwin" ];
maintainers = with maintainers; [ abbradar ];
};
}
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