Fixed test_cython_api

Author: oleksandr-pavlyk

dpctl/tests/setup_cython_api.py

@@ -14,11 +14,36 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import Cython.Build
+import shutil
+
 import setuptools
+from Cython.Build import build_ext
 
 import dpctl
 
+
+class custom_build_ext(build_ext):
+    def build_extensions(self):
+        cmplr_name = shutil.which("icpx")
+        if cmplr_name is None:
+            cmplr_name = shutil.which("clang++")
+        if cmplr_name is None:
+            raise RuntimeError("DPC++ compiler is required")
+        self.compiler.set_executable(
+            "compiler_so", cmplr_name + " -fsycl -fPIC"
+        )
+        self.compiler.set_executable(
+            "compiler_cxx", cmplr_name + " -fsycl -fPIC"
+        )
+        self.compiler.set_executable(
+            "linker_so",
+            cmplr_name
+            + " -fsycl -shared -fpic "
+            + "-fsycl-device-code-split=per_kernel",
+        )
+        build_ext.build_extensions(self)
+
+
 ext = setuptools.Extension(
     "_cython_api",
     ["_cython_api.pyx"],
@@ -27,8 +52,8 @@
 )
 
 setuptools.setup(
-    name="_cython_api",
+    name="test_cython_api",
     version="0.0.0",
     ext_modules=[ext],
-    cmdclass={"build_ext": Cython.Build.build_ext},
+    cmdclass={"build_ext": custom_build_ext},
 )