if(GNURBS_ENABLE_TEST)
  add_subdirectory(linalg)
if(GNURBS_ENABLE_VTK_INTERFACE OR ENABLE_FLTK_INTERFACE)
  add_subdirectory(projet1)
  add_subdirectory(projet2)
  add_subdirectory(projet3)
  add_subdirectory(projet4)
  add_subdirectory(projet5)
  add_subdirectory(projet6)
  add_subdirectory(projet7)
  add_subdirectory(projet8)
  add_subdirectory(projet9)
  add_subdirectory(projet10)
  add_subdirectory(projet11)
  add_subdirectory(projet12)
  add_subdirectory(projet13)
  add_subdirectory(projet14)
  add_subdirectory(projet15)
  add_subdirectory(projet16)
endif(GNURBS_ENABLE_VTK_INTERFACE OR ENABLE_FLTK_INTERFACE)
endif(GNURBS_ENABLE_TEST)