question of installing day

[wwwliye]

Hi~~
When I enters "python setup.py build_ext" ,there is errors in [running build_ext
building 'dapy.integrators.implicit_midpoint' extension
clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -fwrapv -O2 -Wall -fPIC -O2 -isystem /Users/yeye/opt/anaconda3/include -arch x86_64 -I/Users/yeye/opt/anaconda3/include -fPIC -O2 -isystem /Users/yeye/opt/anaconda3/include -arch x86_64 -I/Users/yeye/opt/anaconda3/lib/python3.9/site-packages/numpy/core/include -I/Users/yeye/opt/anaconda3/include/python3.9 -c dapy/integrators/implicit_midpoint.c -o build/temp.macosx-10.9-x86_64-3.9/dapy/integrators/implicit_midpoint.o -fopenmp
clang: error: unsupported option '-fopenmp'
error: command '/usr/bin/clang' failed with exit code 1]

And could you give me some help, thanks