22:42:45: Starting: "/opt/ros/hydro/bin/catkin_make"
Base path: /home/xxx
The specified source space "/home/xxx/src" does not exist
22:42:46: The process "/opt/ros/hydro/bin/catkin_make" exited with code 1.
的錯誤，即提示制定的源路徑在"/home/xxx/src"下面，但是其實我的這個路徑是~/catkin_ws/src下面。檢查了build setting之後感覺就之可能有build environment有問題了。最後找到便來那個PWD，他的value是/home/xxx/。把他改爲/home/xxx/catkin_ws/之後編譯就通過了。PWD其實就是編譯出現的Base path。