Hi!
Not sure what the A-EON/Hyperion issue is you had there, thought you were doing some 3rd-party app ?
Anyways for Amiga Development it is best to use the Docker Images from George Sokianos. I usually use the gcc11 one for AmigaOS4 target.
For 68k stuff I use the gcc cross compiler from Bebbo.
For WarpOS and MorphOS the MorphOS compiler.
Best regards,
Steffen