有哪位大哥用过osgart啊 我在用CMAKE 配置的时候产生了这样的错误，怎么改啊？急啊，都调了两天了。
CMake Error at etc/cmake/parse_OSG_version.cmake:10 (file):
file Internal CMake error when trying to open file:
D:/osgART_2.0/OSG_INCLUDE_DIR-NOTFOUND/osg/Version for reading.
Call Stack (most recent call first):
CMakeLists.txt:53 (check_osg_version)
CMake Error at src/osgART/CMakeLists.txt:56 (set_target_properties):
set_target_properties called with incorrect number of arguments.
CMake Error at etc/cmake/parse_OSG_version.cmake:10 (file):
file Internal CMake error when trying to open file:
D:/osgART_2.0/OSG_INCLUDE_DIR-NOTFOUND/osg/Version for reading.
Call Stack (most recent call first):
CMakeLists.txt:53 (check_osg_version)
CMake Error at src/osgART/CMakeLists.txt:56 (set_target_properties):
set_target_properties called with incorrect number of arguments.
openscenegraph library 2.8.2