--- setup.py.orig 2022-12-06 20:05:27.000000000 +0100 +++ setup.py 2022-12-15 14:45:05.000000000 +0100 @@ -1418,7 +1418,8 @@ self.addext(Extension('_ctypes_test', ['_ctypes/_ctypes_test.c'])) ffi_inc = sysconfig.get_config_var("LIBFFI_INCLUDEDIR") - ffi_lib = None + ffi_lib = ":libffi_pic.a" + extra_link_args.append('--exclude-libs,libffi_pic.a') ffi_inc_dirs = self.inc_dirs.copy() if MACOS: