brew install libomp

.github/workflows/pythonapp.yml

@@ -67,16 +67,7 @@ jobs:
       run: coverage run -a -m pytest tests/test_no_extra_install.py
     - name: If mac, install libomp to facilitate lgbm install
       if: ${{ startsWith(matrix.os, 'macos')}}
-      run: |
-        wget https://raw.githubusercontent.com/Homebrew/homebrew-core/fb8323f2b170bd4ae97e1bac9bf3e2983af3fdb0/Formula/libomp.rb
-        brew unlink libomp
-        brew install ./libomp.rb
-        export CC=/usr/bin/clang
-        export CXX=/usr/bin/clang++
-        export CPPFLAGS="$CPPFLAGS -Xpreprocessor -fopenmp"
-        export CFLAGS="$CFLAGS -I/usr/local/opt/libomp/include"
-        export CXXFLAGS="$CXXFLAGS -I/usr/local/opt/libomp/include"
-        export LDFLAGS="$LDFLAGS -Wl,-rpath,/usr/local/opt/libomp/lib -L/usr/local/opt/libomp/lib -lomp"
+      run: brew install libomp
     - name: Install extra dependencies
       run: |
         python -m pip install .[extra,onnx,sparkml]