message: Group the target sources for the VS solution explorer
diff: @@ -77,8 +77,24 @@ function(NXTInternalTarget folder target)
  NXTExternalTarget("${folder}" ${target})
  set_property(TARGET ${target} APPEND PROPERTY COMPILE_OPTIONS ${NXT_INTERNAL_FLAGS})
  set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS ${NXT_INTERNAL_DEFS})
  +
  + # Group the target sources by folder to have folders show in Visual Studio
  + if (MSVC)
  + get_target_property(targetSources ${target} SOURCES)
  + foreach(sourceFile IN ITEMS ${targetSources})
  + if (IS_ABSOLUTE "${sourceFile}")
  + file(RELATIVE_PATH sourceFile "${CMAKE_CURRENT_SOURCE_DIR}" "${sourceFile}")
  + endif()
  + get_filename_component(sourceDir "${sourceFile}" PATH)
  + string(REPLACE "/" "\\" sourceDir "${sourceDir}")
  + source_group("${sourceDir}" FILES "${sourceFile}")
  + endforeach()
  + endif()
  endfunction()
  +# Enable the creation of folders for Visual Studio projects
  +set_property(GLOBAL PROPERTY USE_FOLDERS ON)
  +
  ################################################################################
  # Generate the C and C++ NXT APIs
  ################################################################################
  