Fix compiler selection

clean_install.sh

@@ -1,4 +1,4 @@
 sudo rm -rf /usr/local/lib/python3.8/dist-packages/_fastwsgi*;
 sudo rm -rf /usr/local/lib/python3.8/dist-packages/fastwsgi*;
 rm -rf build/ dist/ bin/ __pycache__/
-sudo python3 setup.py install
+sudo CC="ccache clang-11" python3 setup.py install

setup.py

@@ -1,13 +1,8 @@
-import os
-import sys
 import glob
 from setuptools import setup
 from distutils.core import Extension
 from setup_libuv import build_libuv
 
-if "linux" in sys.platform:
-    os.environ['CC'] = 'ccache clang-11'
-
 SOURCES = glob.glob("fastwsgi/*.c") + glob.glob("llhttp/src/*.c")
 
 module = Extension(