samskalicky commented on issue #15569: Cub license issue URL: https://github.com/apache/incubator-mxnet/issues/15569#issuecomment-541480687 @ptrendx heres the build failure: ``` execution-space-call -std=c++11 -Xcompiler -D_FORCE_INLINES -O3 -ccbin g++ -gencode=arch=compute_52,code=sm_52 -gencode=arch=compute_70,code=sm_70 -Xcompiler "-DMSHADOW_FORCE_STREAM -Wall -Wsign-compare -g -Werror -O3 -DNDEBUG=1 -I/work/mxnet/3rdparty/mshadow/ -I/work/mxnet/3rdparty/dmlc-core/include -fPIC -I/work/mxnet/3rdparty/tvm/nnvm/include -I/work/mxnet/3rdparty/dlpack/include -I/work/mxnet/3rdparty/tvm/include -Iinclude -funroll-loops -Wno-unused-parameter -Wno-unknown-pragmas -Wno-unused-local-typedefs -msse3 -mf16c -I/usr/local/cuda/include -DMSHADOW_USE_CBLAS=1 -DMSHADOW_USE_MKL=0 -DMSHADOW_RABIT_PS=0 -DMSHADOW_DIST_PS=0 -DMSHADOW_USE_PASCAL=0 -DMXNET_USE_OPENCV=1 -I/usr/include/opencv -fopenmp -DMXNET_USE_OPENMP=1 -DMXNET_USE_OPERATOR_TUNING=1 -DMSHADOW_INT64_TENSOR_SIZE=0 -DMXNET_USE_LAPACK -DMSHADOW_USE_CUDNN=1 -DMXNET_USE_BLAS_OPEN=1 -DMXNET_USE_DIST_KVSTORE -I/work/mxnet/3rdparty/ps-lite/include -I/work/mxnet/deps/include -I/work/mxnet/3rdparty/nvidia_cub -DMXNET_ENABLE_CUDA_RTC=1 -DMXNET_USE_NCCL=0 -DMXNET_USE_LIBJPEG_TURBO=0" src/operator/tensor/elemwise_binary_scalar_op_logic.cu /work/mxnet/3rdparty/nvidia_cub/cub/device/dispatch/dispatch_reduce.cuh(362): error: use the "typename" keyword to treat nontype "std::iterator_traits<_Iterator>::value_type [with _Iterator=InputIteratorT]" as a type in a dependent context /work/mxnet/3rdparty/nvidia_cub/cub/device/dispatch/dispatch_reduce.cuh(363): error: use the "typename" keyword to treat nontype "std::iterator_traits<_Iterator>::value_type [with _Iterator=OutputIteratorT]" as a type in a dependent context /work/mxnet/3rdparty/nvidia_cub/cub/device/dispatch/dispatch_reduce.cuh(683): error: use the "typename" keyword to treat nontype "std::iterator_traits<_Iterator>::value_type [with _Iterator=InputIteratorT]" as a type in a dependent context /work/mxnet/3rdparty/nvidia_cub/cub/device/dispatch/dispatch_reduce.cuh(684): error: use the "typename" keyword to treat nontype "std::iterator_traits<_Iterator>::value_type [with _Iterator=OutputIteratorT]" as a type in a dependent context ```
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