ENH: allow local changes

Source/CMakeLists.txt

@@ -96,6 +96,8 @@ IF(BUILD_TESTING)
 ENDIF(BUILD_TESTING)
 
 
+INCLUDE (${CMAKE_BINARY_DIR}/Source/LocalUserOptions.cmake OPTIONAL)
+INCLUDE (${CMAKE_SOURCE_DIR}/Source/LocalUserOptions.cmake OPTIONAL)
 
 INSTALL_TARGETS(/bin cmake)
 INSTALL_TARGETS(/bin ctest)