sxjscience opened a new issue #17628: Missing dnnl_config.h URL: https://github.com/apache/incubator-mxnet/issues/17628 ## Description I tried to compile MXNet using the cmake command: ``` cmake -GNinja -C ../config.cmake .. cmake --build . ``` and then install horovod ``` HOROVOD_WITHOUT_TENSORFLOW=1 HOROVOD_GPU_ALLREDUCE=NCCL HOROVOD_GPU_BROADCAST=NCCL pip3 install -e . --no-cache-dir --user ``` The error message is ``` /home/ubuntu/mxnet/python/mxnet/../../include/mkldnn/dnnl.hpp:23:10: fatal error: dnnl_config.h: No such file or directory ``` I find that we have these lines in `mkldnn.mk` https://github.com/apache/incubator-mxnet/blob/c2aff58c448bbe5755de0c8d35a1cc7d3fd9aa51/mkldnn.mk#L52-L53 The problem might be that we haven't copied the files to `mxnet/include/mkldnn` so the build system used in horovod is broken.
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