tde_conditional_add_subdirectory( BUILD_TUTORIAL_1  t1  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_2  t2  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_3  t3  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_4  t4  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_5  t5  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_6  t6  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_7  t7  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_8  t8  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_9  t9  )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_10 t10 )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_11 t11 )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_12 t12 )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_13 t13 )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_14 t14 )
tde_conditional_add_subdirectory( BUILD_TUTORIAL_15 t15 )