MacOSX - Multi-threaded XGBoost - Installation

README.md

How to install XGBoost on MacOSX with multi-threaded support

As explained in the doc

brew install gcc --without-multilib
git clone --recursive https://github.com/dmlc/xgboost
cd xgboost; cp make/config.mk ./config.mk

Open and modify CC and CXX parameters in config.mk, for example:

CC=/usr/local/bin/gcc-7
CXX=/usr/local/bin/g++-7

Next step, run make :

make -j4

Build with CMake

mkdir build; cd $_
cmake .. -DCMAKE_C_COMPILER=/usr/local/bin/gcc-7 -DCMAKE_CXX_COMPILER=/usr/local/bin/g++-7 -DCMAKE_BUILD_TYPE=Release
make -j4

Failed to install XGBoost with plugin UPDATER_GPU

Problem is with clang, openmp support and nvcc. Ended up with error :

nvcc  : fatal GNU C/C++ compiler is no longer supported as a host compiler on Mac OS X.

Last version of clang 4.0.0 is not neither supported by nvcc.