Hey Seneral, I have finally gotten my hands on a Pi 4 and am looking to port my previous work on the Pi 3 over. With the new GPU on the Pi 4, I know there is probably a good bit to convert and the first step is to change the windowing from dispmanx to SDL2 since dispmanx is no longer supported. I think I have it implemented correctly, but I’m running into a new compiling error that I’m not sure how to fix. I’m guessing it’s due to the makefile settings, but I’m not sure how to modo if you them.
Here is the compiling issue:

Hey Seneral, I have finally gotten my hands on a Pi 4 and am looking to port my previous work on the Pi 3 over. With the new GPU on the Pi 4, I know there is probably a good bit to convert and the first step is to change the windowing from dispmanx to SDL2 since dispmanx is no longer supported. I think I have it implemented correctly, but I’m running into a new compiling error that I’m not sure how to fix. I’m guessing it’s due to the makefile settings, but I’m not sure how to modo if you them.
Here is the compiling issue:
