63 lines
1.5 KiB
Nix
63 lines
1.5 KiB
Nix
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{ stdenv
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, buildPythonPackage
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, fetchPypi
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, cmake
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, numpy
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, scipy
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, scikitlearn
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, llvmPackages ? null
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}:
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buildPythonPackage rec {
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pname = "lightgbm";
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version = "2.3.1";
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src = fetchPypi {
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inherit pname version;
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sha256 = "bd1817be401e74c0d8b049e97ea2f35d2ce155cfa130119ce4195ea207bd6388";
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};
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nativeBuildInputs = [
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cmake
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];
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dontUseCmakeConfigure = true;
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# we never actually explicitly call the install command so this is the only way
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# to inject these options to it - however, openmp-library doesn't appear to have
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# any effect, so we have to inject it into NIX_LDFLAGS manually below
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postPatch = stdenv.lib.optionalString stdenv.cc.isClang ''
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cat >> setup.cfg <<EOF
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[install]
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openmp-include-dir=${llvmPackages.openmp}/include
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openmp-library=${llvmPackages.openmp}/lib/libomp.dylib
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EOF
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'';
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propagatedBuildInputs = [
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numpy
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scipy
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scikitlearn
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];
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postConfigure = ''
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export HOME=$(mktemp -d)
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'' + stdenv.lib.optionalString stdenv.cc.isClang ''
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export NIX_LDFLAGS="$NIX_LDFLAGS -L${llvmPackages.openmp}/lib -lomp"
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'';
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# The pypi package doesn't distribute the tests from the GitHub
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# repository. It contains c++ tests which don't seem to wired up to
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# `make check`.
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doCheck = false;
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meta = with stdenv.lib; {
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description = "A fast, distributed, high performance gradient boosting (GBDT, GBRT, GBM or MART) framework";
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homepage = "https://github.com/Microsoft/LightGBM";
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license = licenses.mit;
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maintainers = with maintainers; [ teh costrouc ];
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};
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}
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