forked from mirrors/nixpkgs
87 lines
2.7 KiB
Nix
87 lines
2.7 KiB
Nix
{ stdenv
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, runCommandCC
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, fetchPypi
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, buildPythonPackage
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, isPyPy
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, pythonOlder
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, isPy3k
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, nose
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, numpy
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, scipy
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, six
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, libgpuarray
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, cudaSupport ? false, cudatoolkit
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, cudnnSupport ? false, cudnn
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, nvidia_x11
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}:
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assert cudnnSupport -> cudaSupport;
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assert cudaSupport -> nvidia_x11 != null
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&& cudatoolkit != null
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&& cudnn != null;
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let
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wrapped = command: buildTop: buildInputs:
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runCommandCC "${command}-wrapped" { inherit buildInputs; } ''
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type -P '${command}' || { echo '${command}: not found'; exit 1; }
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cat > "$out" <<EOF
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#!$(type -P bash)
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$(declare -xp | sed -e '/^[^=]\+="\('"''${NIX_STORE//\//\\/}"'\|[^\/]\)/!d')
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declare -x NIX_BUILD_TOP="${buildTop}"
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$(type -P '${command}') "\$@"
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EOF
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chmod +x "$out"
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'';
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# Theano spews warnings and disabled flags if the compiler isn't named g++
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cxx_compiler = wrapped "g++" "\\$HOME/.theano"
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( stdenv.lib.optional cudaSupport libgpuarray_
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++ stdenv.lib.optional cudnnSupport cudnn );
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libgpuarray_ = libgpuarray.override { inherit cudaSupport cudatoolkit; };
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in buildPythonPackage rec {
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pname = "Theano";
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version = "1.0.4";
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disabled = isPyPy || pythonOlder "2.6" || (isPy3k && pythonOlder "3.3");
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src = fetchPypi {
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inherit pname version;
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sha256 = "35c9bbef56b61ffa299265a42a4e8f8cb5a07b2997dabaef0f8830b397086913";
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};
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postPatch = ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(param, is_valid=warn_cxx)' 'StrParam('\'''${cxx_compiler}'\''', is_valid=warn_cxx)' \
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--replace 'rc == 0 and config.cxx != ""' 'config.cxx != ""'
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'' + stdenv.lib.optionalString cudaSupport ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(get_cuda_root)' 'StrParam('\'''${cudatoolkit}'\''')'
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'' + stdenv.lib.optionalString cudnnSupport ''
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substituteInPlace theano/configdefaults.py \
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--replace 'StrParam(default_dnn_base_path)' 'StrParam('\'''${cudnn}'\''')'
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'';
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preCheck = ''
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mkdir -p check-phase
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export HOME=$(pwd)/check-phase
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'';
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doCheck = false;
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# takes far too long, also throws "TypeError: sort() missing 1 required positional argument: 'a'"
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# when run from the installer, and testing with Python 3.5 hits github.com/Theano/Theano/issues/4276,
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# the fix for which hasn't been merged yet.
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# keep Nose around since running the tests by hand is possible from Python or bash
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checkInputs = [ nose ];
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propagatedBuildInputs = [ numpy numpy.blas scipy six libgpuarray_ ];
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meta = with stdenv.lib; {
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homepage = http://deeplearning.net/software/theano/;
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description = "A Python library for large-scale array computation";
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license = licenses.bsd3;
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maintainers = with maintainers; [ maintainers.bcdarwin ];
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};
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}
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