1）terminal
cd Firmware
make px4fmu-v4_default
2）output
*[193/193] Creating /Users/liaosin/Firm..._px4io-v2_default/px4io-v2_default.px4
[998/998] Creating /Users/liaosin/Firm...x4fmu-v3_default/px4fmu-v3_default.px4*
原文：https://www.cnblogs.com/liaoxinwaiting/p/9245545.html