[Quadcopter][ArduPilot] How to compile apm_planner

1) Archlinux - Install the required packages:
sudo pacman -S qt5

2) Clone the repository in your workspace:
cd ~/workspace
git clone https://github.com/diydrones/apm_planner

3) Build APM Planner:
cd ~/workspace/apm_planner
qmake apm_planner.pro
make

4) Run APM Planner:
./release/apmplanner2

Reference:

• ArduPilot/apm_planner