include_guard(GLOBAL)

if(NOT MYX_TODAY)
  if(WIN32)
    execute_process(COMMAND "cmd" " /C date /T" OUTPUT_VARIABLE MYX_TODAY)
  else()
    execute_process(COMMAND "date" "+%d/%m/%Y" OUTPUT_VARIABLE MYX_TODAY)
  endif()
  string(REGEX REPLACE "(..)/(..)/(....).*" "\\3-\\2-\\1" MYX_TODAY ${MYX_TODAY})
endif()

if(NOT MYX_YEAR)
  if(WIN32)
    execute_process(COMMAND "cmd" " /C date /T" OUTPUT_VARIABLE MYX_YEAR)
  else()
    execute_process(COMMAND "date" "+%d/%m/%Y" OUTPUT_VARIABLE MYX_YEAR)
  endif()
  string(REGEX REPLACE "(..)/(..)/(....).*" "\\3" MYX_YEAR ${MYX_YEAR})
endif()