include_guard(GLOBAL)

# based on https://github.com/bluescarni/yacma

include(CheckCXXCompilerFlag)

macro(check_enable_cxx_compiler_flag flag)
  set(options)
  set(oneValueArgs TARGET)
  set(multiValueArgs)
  cmake_parse_arguments(ARG "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})

  set(CMAKE_REQUIRED_QUIET TRUE)
  check_cxx_compiler_flag("${flag}" check_cxx_flag)
  unset(CMAKE_REQUIRED_QUIET)

  if(check_cxx_flag)
    myx_message_notice("'${flag}': flag is supported.")
    if(ARG_TARGET)
      target_compile_options(${ARG_TARGET} PUBLIC ${flag})
    else()
      add_compile_options(${flag})
    endif()
  else()
    myx_message_status("'${flag}': flag is NOT supported.")
  endif()

  unset(check_cxx_flag CACHE)
  foreach(iter IN LISTS oneValueArgs multiValueArgs)
    unset(ARG_${iter})
  endforeach()
  unset(ARG_UNPARSED_ARGUMENTS)
  unset(multiValueArgs)
  unset(oneValueArgs)
  unset(options)
endmacro()