Print output path for doxygen and sphinx documentation.

docs/make_docs.py

@@ -435,6 +435,7 @@ def run(self):
                               env=sphinx_env,
                               stdout=sys.stdout,
                               stderr=sys.stderr)
+        print(f"Sphinx docs are generated at {build_dir}/index.html")
 
 
 class DoxygenDocsBuilder:
@@ -449,10 +450,12 @@ def run(self):
         cmd = ["doxygen", "Doxyfile"]
         print('Calling: "%s"' % " ".join(cmd))
         subprocess.check_call(cmd, stdout=sys.stdout, stderr=sys.stderr)
+        output_path = os.path.join(self.html_output_dir, "html", "cpp_api")
         shutil.copytree(
             os.path.join("doxygen", "html"),
-            os.path.join(self.html_output_dir, "html", "cpp_api"),
+            output_path,
         )
+        print(f"Doxygen docs are generated at {output_path}/index.html")
 
         if os.path.exists(doxygen_temp_dir):
             shutil.rmtree(doxygen_temp_dir)