Linux build support

I tried running the px4 setup scripts and they error out on my mint cinnamon 18.3. The scripts themselves complete despite errors. Proceeding further, the build fails.

BUILD SUCCESSFUL
Total time: 2 seconds
Options parsed, starting Sim.
Starting GUI...
3D [dev] 1.6.0-pre12-daily-experimental daily

com.jogamp.opengl.GLException: X11GLXDrawableFactory - Could not initialize shared resources for X11GraphicsDevice[type .x11, connection :0, unitID 0, handle 0x0, owner false, ResourceToolkitLock[obj 0xdcc1ff0, isOwner false, <41e0487b, 4746df3b>[count 0, qsz 0, owner <NULL>]]]
	at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:326)
	at jogamp.opengl.SharedResourceRunner.run(SharedResourceRunner.java:297)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
	at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:688)
	at jogamp.opengl.GLContextImpl.makeCurrent(GLContextImpl.java:580)
	at jogamp.opengl.x11.glx.X11GLXDrawableFactory$SharedResourceImplementation.createSharedResource(X11GLXDrawableFactory.java:297)
	... 2 more
Exception in thread "main" java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:61)
Caused by: java.lang.InternalError: XXX0 profile[1]: GL3bc -> profileImpl GL4bc !!! not mapped 
	at com.jogamp.opengl.GLProfile.computeProfileMap(GLProfile.java:2047)
	at com.jogamp.opengl.GLProfile.initProfilesForDeviceCritical(GLProfile.java:1917)
	at com.jogamp.opengl.GLProfile.initProfilesForDevice(GLProfile.java:1866)
	at com.jogamp.opengl.GLProfile.initProfilesForDefaultDevices(GLProfile.java:1835)
	at com.jogamp.opengl.GLProfile.access$000(GLProfile.java:79)
	at com.jogamp.opengl.GLProfile$1.run(GLProfile.java:229)
	at java.security.AccessController.doPrivileged(Native Method)
	at com.jogamp.opengl.GLProfile.initSingleton(GLProfile.java:215)
	at com.jogamp.opengl.GLProfile.getProfileMap(GLProfile.java:2272)
	at com.jogamp.opengl.GLProfile.get(GLProfile.java:1020)
	at com.jogamp.opengl.GLProfile.get(GLProfile.java:1049)
	at com.jogamp.opengl.GLProfile.getMaxFixedFunc(GLProfile.java:802)
	at javax.media.j3d.JoglPipeline.initialize(JoglPipeline.java:132)
	at javax.media.j3d.Pipeline.createPipeline(Pipeline.java:92)
	at javax.media.j3d.MasterControl.loadLibraries(MasterControl.java:837)
	at javax.media.j3d.VirtualUniverse.<clinit>(VirtualUniverse.java:274)
	at me.drton.jmavsim.Visualizer3D.<init>(Visualizer3D.java:194)
	at me.drton.jmavsim.Simulator.<init>(Simulator.java:176)
	at me.drton.jmavsim.Simulator.main(Simulator.java:895)
	... 5 more
X11Util.Display: Shutdown (JVM shutdown: true, open (no close attempt): 1/1, reusable (open, marked uncloseable): 0, pending (open in creation order): 1)
X11Util: Open X11 Display Connections: 1
X11Util: Open[0]: NamedX11Display[:0, 0x7fb09000e350, refCount 1, unCloseable false]
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