leezu commented on issue #17641: OpenMP Error URL: https://github.com/apache/incubator-mxnet/issues/17641#issuecomment-589827331 > What is pulling in libiomp5.so ? MKL > btw, cmake files have min cmake at 3.13, but default 18.04 cmake install is cmake 3.10. Does anyone know what the deal is with 3.13? Ubuntu 18.04 is a pretty widely-used release... > I changed back to 3.10 and it seems to build ok. Just `pip install cmake` as per the doc https://mxnet.apache.org/get_started/ubuntu_setup. It'd be harder to explain when users require 3.13 and when 3.X, or 3.Y, than to uniformly require a recent version. There are various bugs fixed in 3.13 that affect MXNet use-cases (eg cuda, https://cmake.org/cmake/help/latest/policy/CMP0077.html for llvm openmp subproject) > Not actually. Due to no legitimate reason to remove it. Speed up developer build. No need to build llvm openmp if system openmp is present.
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