Fix using unquoted environment variable for clang path (#386)

* Use shlex.quote for clang path
* Fix "The system cannot find the file specified"
* Use shlex.quote only on Linux

Author: PokhodenkoSA

setup.py

@@ -17,7 +17,7 @@
 import setuptools.command.install as orig_install
 import setuptools.command.develop as orig_develop
 import subprocess
-import shutil
+import shlex
 from setuptools import Extension, find_packages, setup
 from Cython.Build import cythonize
 
@@ -103,13 +103,12 @@ def _get_cmdclass():
 
 def spirv_compile():
     if IS_LIN:
-        compiler = os.path.join(
-            os.environ.get("ONEAPI_ROOT"), "compiler/latest/linux", "bin/clang"
-        )
+        compiler = "compiler/latest/linux/bin/clang"
+        compiler = os.path.join(os.environ.get("ONEAPI_ROOT"), compiler)
+        compiler = shlex.quote(compiler)
     if IS_WIN:
-        compiler = os.path.join(
-            os.environ.get("ONEAPI_ROOT"), "compiler/latest/windows", "bin/clang.exe"
-        )
+        compiler = "compiler\\latest\\windows\\bin\\clang.exe"
+        compiler = os.path.join(os.environ.get("ONEAPI_ROOT"), compiler)
     clang_args = [
         compiler,
         "-flto",