message: antlr4 path hints add verions also withut /usr/
diff: ##############################################################################################
  -# antlr settings
  +# antlr4 settings
  ##############################################################################################
  # there are two types of distribution the all in one antlr4-complete.jar or group of antrl4 jars
  find_jar(_ANTLR_JAR_LOCATION_antlr4_complete "antlr4-complete"
  @@ -27,8 +27,13 @@ else()
  ENDFOREACH()
  endif()
  +# search for antlr4 include dir and library
  +if(ANTLR4CPP_ROOT)
  + message(STATUS "Antlr4 cpp runtime root set to: ${ANTLR4CPP_ROOT}")
  +endif()
  find_path(ANTLR4CPP_INCLUDE_DIRS antlr4-runtime.h
  HINTS "${ANTLR4CPP_ROOT}/usr/include/antlr4-runtime/"
  + "${ANTLR4CPP_ROOT}/include/antlr4-runtime/"
  PATH_SUFFIXES antlr4-runtime)
  if(NOT ANTLR4CPP_INCLUDE_DIRS)
  message(FATAL_ERROR "Can not find ANTLR4CPP_INCLUDE_DIRS")
  @@ -37,12 +42,13 @@ else()
  endif()
  include_directories(${ANTLR4CPP_INCLUDE_DIRS})
  -find_library(ANTLR4CPP_LIBS libantlr4-runtime.so libantlr4-runtime.lib
  - HINTS "${ANTLR4CPP_ROOT}/usr/lib")
  -if(NOT ANTLR4CPP_LIBS)
  - message(FATAL_ERROR "Can not find ANTLR4CPP_LIBS")
  +find_library(ANTLR4CPP_LIBRARIES libantlr4-runtime.so libantlr4-runtime.lib
  + HINTS "${ANTLR4CPP_ROOT}/usr/lib"
  + "${ANTLR4CPP_ROOT}/lib")
  +if(NOT ANTLR4CPP_LIBRARIES)
  + message(FATAL_ERROR "Can not find ANTLR4CPP_LIBRARIES")
  else()
  - MESSAGE(STATUS "ANTLR4CPP_LIBS=${ANTLR4CPP_LIBS}")
  + MESSAGE(STATUS "ANTLR4CPP_LIBRARIES=${ANTLR4CPP_LIBRARIES}")
  endif()
  if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
  add_compile_definitions(ANTLR4CPP_STATIC)
  @@ -119,6 +125,8 @@ macro(AddParserToBuildWithLexer name sources)
  )
  endmacro()
  +##############################################################################################
  +# build of the main python module
  ##############################################################################################
  include_directories(${PYTHON_INCLUDE_DIRS})
  include_directories(
  @@ -148,7 +156,7 @@ target_link_libraries(_hdlConvertor
  parsersVerilog_static
  parsersVerilogPreproc_static
  parsersVhdl_static
  - ${ANTLR4CPP_LIBS}
  + ${ANTLR4CPP_LIBRARIES}
  )
  #set_target_properties(_hdlConvertor
  