-#===========================================================================
-# Include package configuration cmake script from bbtk dir
-INCLUDE(${BBTK_DIR}/BBTKConfigurePackage.cmake)
-#===========================================================================
+IF(BUILD_BBTK_PACKAGE_${BBTK_PACKAGE_NAME})
+ #===========================================================================
+ # THE USER HAS CHOSEN TO BUILD THE PACKAGE
+ #===========================================================================
+
+ #===========================================================================
+ # If the package is not a "core" bbtk package (included into the toolkit)
+ # then we have to find and use bbtk
+ IF(NOT BBTK_CORE_PACKAGE)
+ FIND_PACKAGE(BBTK REQUIRED)
+ INCLUDE(${BBTK_USE_FILE})
+ ENDIF(NOT BBTK_CORE_PACKAGE)
+ #===========================================================================
+
+ #===========================================================================
+ # Include package configuration cmake script from bbtk cmake dir
+ INCLUDE(${BBTK_CMAKE_DIR}/BBTKConfigurePackage.cmake)
+ #===========================================================================
+
+ELSE(BUILD_BBTK_PACKAGE_${BBTK_PACKAGE_NAME})
+
+ #===========================================================================
+ # Else if it is a core package we have to reset some things...
+ IF(BBTK_CORE_PACKAGE)
+ INCLUDE(${BBTK_CMAKE_DIR}/BBTKConfigurePackage_BuildOff.cmake)
+ ENDIF(BBTK_CORE_PACKAGE)
+ #===========================================================================