#-- Add an Option to toggle the generation of the API documentation
option(BUILD_QPCL_PLUGIN_DOCUMENTATION "Use Doxygen to create the HTML based QPCL API documentation" OFF)
if(BUILD_QPCL_PLUGIN_DOCUMENTATION)
  FIND_PACKAGE(Doxygen)
  if (NOT DOXYGEN_FOUND)
    message(FATAL_ERROR "Doxygen is needed to build the documentation. Please install it correctly")
  endif()
  #-- Configure the Template Doxyfile for our specific project
  configure_file(Doxyfile.in 
                 ${PROJECT_BINARY_DIR}/Doxyfile  @ONLY IMMEDIATE)
  #-- Add a custom target to run Doxygen when ever the project is built
  add_custom_target (qpcl_doc ALL COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)

  										
#COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile
  										

  # IF you do NOT want the documentation to be generated EVERY time you build the project
  # then leave out the 'ALL' keyword from the above command.
endif()