message: Add clang version reporting
diff: @@ -111,6 +111,7 @@ mod generator {
  let start;
  if cfg!(feature = "clang-runtime") {
  let clang = clang::Clang::new().expect("Cannot initialize clang");
  + println!("=== Clang: {}", clang::get_version());
  let gen = binding_generator::Generator::new(clang_stdlib_include_dir.as_deref(), &opencv_header_dir, &*SRC_CPP_DIR, clang);
  eprintln!("=== Clang command line args: {:#?}", gen.build_clang_command_line_args());
  start = Instant::now();
  @@ -161,6 +162,7 @@ mod generator {
  // });
  } else {
  let clang = clang::Clang::new().expect("Cannot initialize clang");
  + println!("=== Clang: {}", clang::get_version());
  let gen = binding_generator::Generator::new(clang_stdlib_include_dir.as_deref(), &opencv_header_dir, &*SRC_CPP_DIR, clang);
  eprintln!("=== Clang command line args: {:#?}", gen.build_clang_command_line_args());
  let gen = Arc::new(gen);
  