Managed to get it to compiled and fixed more code compilation issues that happened on the PS3 builds.
I added the compiled pkg to the below url for now to test:
https://www.dropbox.com/scl/fi/hkqfujw57x3l7we7adz3g/UniPCemu.pkg?rlkey=1pwp2y2s...
It's just a simple build using SDL and some preconfigured paths. In this case it's compiled using "make ps3 build" to compile with the toolchain's default SDL 1.2 library. Network support is disabled in this build.
Edit: And with SDL_net support:
https://www.dropbox.com/scl/fi/i6wm789rmvi6he59v7nbx/UniPCemu_net.pkg?rlkey=uyf9...