
                    For uas, we pick up the best solutions provided by github life savers.
                    If google brings you here, you are so lucky! These life savers are angels, they have well solved your problems.
                    So do not waste time scrolling the original issue threads just to dig out solutions... 
                    Here you are, you are welcome. Then, go back to work!
                    

Did you try sudo apt-get install libignition-math2-dev? I have been using gazebo6 with ROS indigo(on Ubuntu 14.04) to run the PX4 plugin and now changing to gazebo7 with ROS kinetic (on Ubuntu 16.04)
I have followed the instructions and the


works just fine

PX4 Autopilot Error with make posix_sitl_default gazebo with gazebo7

I solved the same issue by adding the following line in .bashrc file in my home folder:


Make sure you have libgtk3-nocsd.so.0 in /usr/lib/x86_64-linux-gnu/
If you didn't have it

PX4 Autopilot ERROR: ld.so: object 'libgtk3-nocsd.so.0' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.

I just ran into this again Oracle Java is not needed OpenJDK 8 is fine However Hello everybody 