CMake Error at CMakeLists.txt:2 (include):
include could not find load file:
/core/rosbuild/rosbuild.cmake
CMake Error at CMakeLists.txt:4 (rosbuild_init):
Unknown CMake command "rosbuild_init".
其實是因為ros的當前工作目錄沒設置對。
之前一直用
$ sudo gedit ~/.bashrc
把路徑加進去，后來source ~/.bashrc之后，還是找不對目錄。
然后
在/opt/ros/indigo/setup.sh最后加
export ROS_PACKAGE_PATH=${ROS_PACKAGE_PATH}:PATH/ORB_SLAM2/Examples/ROS
source 下成功了。 很神奇為啥在～/.bashrc下就不行