message: antlr4: dissable type attributes warnings
diff: @@ -27,6 +27,7 @@ include_directories( ${HDLCONVERTOR_SOURCE_DIR}/antlr4/runtime/src )
  set(CMAKE_CXX_STANDARD 11)
  set(CMAKE_CXX_STANDARD_REQUIRED ON)
  set(MY_CXX_WARNING_FLAGS " -Wall -pedantic -W")
  +set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MY_CXX_WARNING_FLAGS} -Wno-attributes")
  add_subdirectory( antlr4 )
  add_subdirectory( src )
  