I would check out https://github.com/uliwitness/AppKitForClassic for some idea of where to begin.
> On Oct 13, 2022, at 4:17 PM, Marco Cawthorne <[email protected]> wrote: > > On 2022-10-13 11:37:36 -0700 M A <[email protected]> wrote: > >> Hi, I was looking at this video >> (https://www.youtube.com/watch?v=5I3BWaMa-Fk) on Rhapsody and it had me >> thinking. Has anyone tried to port GNUStep to Mac OS 9? Is it technically >> possible? > > The first hurdle would be to get a compiler and runtime environment running > on it. > From my memory, CodeWarrior (the IDE everyone used back in the day...) for > classic > MacOS supported C, C++ and ASM. I did a quick search for GCC and Obj-C related > queries for classic MacOS but found very little. I did find a crosscompiler > on GitHub > (autoc04/Retro68) but the compiler and runtime would need to run on the > classic Mac > directly anyway. > > Marco Cawthorne > >
