I have a pixhawk board,My computer OS is win7,build tool is px4-toolchain(px4-toolchain_install_v13_win.exe),when build APM Plane source code,an error occur,Is my building version too low?make[3]: Entering directory…

My APM communicate with GCS（MISSION PLANNER）by XBEE,The ground xbee connect with a bluetooth model,and I want MISSION PLANNER connect the bluetooth model by computer bluetooth port directly,and failture,only use the software "Serial to ethernet…