在3 rdparty / libtiff / CMakeLists CMake错误。txt:27 (ocv_include_directory):未知的CMake命令“ocv_include_directory”

Right, so I'm trying to build a project in VS2012 and I've been chasing down various errors for the past 2 days...I'm coming in on a lot of legacy code, and it deals with OpenCV2.1Right, so I'm trying to build a project in VS20