anirudh2290 edited a comment on issue #16612: Compilation fails in master Cuda 10.1 GCC 7.4 Ubuntu 18.04 URL: https://github.com/apache/incubator-mxnet/issues/16612#issuecomment-546153141 My earlier theory related to `__thread` was wrong. I am not able to reproduce it with : ``` mkdir build && cd build && cmake -DVERBOSE=1 -DUSE_CUDA=ON -DUSE_CUDNN=ON -DUSE_OPENMP=ON -DCMAKE_BUILD_TYPE=Debug -DUSE_DIST_KVSTORE=0 -DUSE_OPENCV=0 -DCUDA_TOOLKIT_ROOT_DIR=/usr/local/cuda-10.1 -DCUDNN_ROOT=/usr/local/cuda-10.1 -DUSE_MKLDNN=0 -DUSE_MKL_IF_AVAILABLE=0 -DUSE_MKLML_MKL=0 -DUSE_ASAN=0 -GNinja -DUSE_OPERATOR_TUNING=1 -DUSE_CPP_PACKAGE=ON -DCUDA_ARCH_NAME=Auto -DUSE_INT64_TENSOR_SIZE=OFF -DUSE_TENSORRT=OFF -DUSE_NCCL=ON .. ninja -v ``` Since CI passed without issues and my local build also passed with g++ 7.4 (ubuntu 18.04, cuda 10.1) I am suspecting some issue with your setup. Can you omit ccache and run the build directly? Did you do the submodule update?
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