解决方法:
新建.\cmake_modules\FindOpenNI2.cmake
内容为:
CMAKE_MINIMUM_REQUIRED( VERSION 2.8 ) #CMAKE版本要求
MESSAGE(STATUS "USING BUNDLED FindOpenNI2.cmake ...")
FIND_PATH(OPENNI2_INCLUDE_DIR NAMES XnCppWrapper.h
PATHS
/usr/include/ni
)
FIND_LIBRARY(OPENNI2_LIBRARY_DIR NAMES OpenNI2
PATHS
/usr/lib
)