How to install pyrfr on macOS

1. Download the source code of pyrfr.

2. Unzip the file and go to pyrfr’s directory.

3. Modify the extra_compile_args in setup.py as follows

   extra_compile_args = ['-O2', '-std=c++11', '-stdlib=libc++', '-mmacosx-version-min=10.7']
   

4. Run the following command:

   env CC="/usr/bin/gcc -stdlib=libc++ -mmacosx-version-min=10.7" pip install .