+OPTION(CLITK_BUILD_SEGMENTATION "Build segmentation tools" ON)
+IF (CLITK_BUILD_SEGMENTATION)
+ add_subdirectory(segmentation)
+ENDIF (CLITK_BUILD_SEGMENTATION)
+
+OPTION(CLITK_BUILD_REGISTRATION "Build command-line registration tools" OFF)
+IF (CLITK_BUILD_REGISTRATION)
+ add_subdirectory(registration)
+ENDIF(CLITK_BUILD_REGISTRATION)
+