MacOS make "error clang: error: unsupported option '-fopenmp'

[liuedfie234]

Have you face
clang: error: unsupported option '-fopenmp'
issue after did these steps
cd src/math_utils/
mkdir build
cd build
cmake ..
make
The error message is

I'm using macOS High Sierra
I don't know how to deal with it
Thanks!

[felja633]

I think you need to install openmp, unless there is a different flag for this on macOS. I have only tried this on ubuntu 18.04 so far

[arcsecw]

modify build_pybind_modules.sh like blow worded for me
microsoft/LightGBM#3 (comment)
`
#!/bin/sh

This is a comment!

cd src/math_utils/
mkdir build
cd build
cmake -DCMAKE_CXX_COMPILER=g++-8 ..
make
cd ../../pcl_utils/
mkdir build
cd build
cmake -DCMAKE_CXX_COMPILER=g++-8 ..
make
cd ../../../

`