message: use cxx_std_17 instead of linking with stdc++fs
diff: @@ -38,14 +38,6 @@ set_target_properties(hdlConvertor_core_static
  )
  set_coverage_if_enabled(hdlConvertor_core_static ON)
  -if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
  - set(CPP_STD_FILESYSTEM_LIB_NAME c++)
  - # set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
  -elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
  - set(CPP_STD_FILESYSTEM_LIB_NAME stdc++fs)
  -endif()
  -
  -
  set(HDL_CONVERTOR_INTERNAL_LIBS
  svConvertor_static
  verilogPreproc_static
  @@ -62,8 +54,8 @@ if(HDLCONVERTOR_PYTHON)
  target_link_libraries(hdlConvertor_cpp_static PUBLIC
  ${HDL_CONVERTOR_INTERNAL_LIBS}
  ${ANTLR4CPP_LIBRARIES}
  - ${CPP_STD_FILESYSTEM_LIB_NAME}
  )
  + target_compile_features(hdlConvertor_cpp_static PUBLIC cxx_std_17)
  set_target_properties(hdlConvertor_cpp_static
  PROPERTIES VERSION "1.0.0"
  @@ -87,8 +79,8 @@ else()
  target_link_libraries(hdlConvertor_cpp_shared
  INTERFACE
  ${ANTLR4CPP_LIBRARIES}
  - ${CPP_STD_FILESYSTEM_LIB_NAME}
  )
  + target_compile_features(hdlConvertor_cpp_shared PUBLIC cxx_std_17)
  set_coverage_if_enabled(hdlConvertor_cpp_shared ON)
  if(CODE_COVERAGE)
  target_link_libraries(hdlConvertor_cpp_shared PRIVATE gcov)
  