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mac-build.md

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Building NimbusML from source on Mac

Prerequisites

  1. Xcode Command Line Tools (for Clang compiler)
  2. cmake

Build

Run ./build.sh

This downloads dependencies (.NET SDK, specific versions of Python and Boost), builds native code and managed code, and packages NimbusML into a pip-installable wheel. This produces debug binaries by default, and release versions can be specified by ./build.sh --configuration RlsMacPy3.7 for examle.

For additional options including running tests and building components independently, see ./build.sh -h.

Notes

The LightGBM estimator currently has a runtime dependency on Gnu OpenMP libs on Mac. These can be obtained by installing gcc 4.2 or later, which can be done through homebrew with: brew gcc Running LightGBM without this will give the following error: System.DllNotFoundException: 'Unable to load DLL 'lib_lightgbm': The specified module or one of its dependencies could not be found.'