1.問題描述：
[rosbuild] Building package ORB_SLAM-master
[rosbuild] Error from directory check: /opt/ros/indigo/share/ros/core/rosbuild/bin/check_same_directories.py /home/wf/LearnVIORB-master/Examples/ROS/ORB_VIO
1
Traceback (most recent call last):
File "/opt/ros/indigo/share/ros/core/rosbuild/bin/check_same_directories.py", line 46, in <module>
raise Exception
Exception
CMake Error at /opt/ros/indigo/share/ros/core/rosbuild/private.cmake:102 (message):
[rosbuild] rospack found package "ORB_VIO" at "", but the current
directory is "/home/wf/LearnVIORB-master/Examples/ROS/ORB_VIO". You should
double-check your ROS_PACKAGE_PATH to ensure that packages are found in the
correct precedence order.
Call Stack (most recent call first):
/opt/ros/indigo/share/ros/core/rosbuild/public.cmake:177 (_rosbuild_check_package_location)
CMakeLists.txt:4 (rosbuild_init)
-- Configuring incomplete, errors occurred!
See also "/home/wf/LearnVIORB-master/Examples/ROS/ORB_VIO/build/CMakeFiles/CMakeOutput.log".
在.bashrc 末尾添加：export ROS_PACKAGE_PATH=$ROS_PACKAGE_PATH: /home/wf/LearnVIORB-master/Examples/ROS/ORB_VIO
切記一定要重啓後再次運行