pip install grpcio error

Problem Description:

Platform: ARM macbook

pip install grpcio error

          raise CompileError(msg)
      distutils.errors.CompileError: command '/usr/bin/clang' failed with exit code 1
      
      [end of output]
  
error: legacy-install-failure

× Encountered error while trying to install package.
╰─> grpcio

note: This is an issue with the package mentioned above, not pip.
hint: See above for output from the failure.

Solution:

Add four pairs of environment variables

CFLAGS="-I/opt/homebrew/opt/openssl/include" LDFLAGS="-L/opt/homebrew/opt/openssl/lib" GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1 GRPC_PYTHON_BUILD_SYSTEM_ZLIB=1 pip install grpcio==1.37    

Reference article:
grpcio fails to install on Apple Silicon #25082