@marshall-lee thank you for the PR. I tested it and seems to work fine, using cmake simplifies things a bit. The only issue at this moment is the support for our current Pi images, which uses the old RaspoOS 10 'buster' release and which doesn't have the required pi version.

@cmitu

Thanks for testing it. So how can I help with older images in the context of this PR?

I can see 2 methods - either relaxing the cmake requirement in the CMakeLists.txt file or downloding a temporary cmake kit in $md_inst to be used during building.

EDIT: it seems the 1st method won't work, cmake needs a newer version than the one shipped by RaspiOS 10 (3.16).

We could use an older version of ioquake3 for systems with a version of cmake that is too old, but would need some additional build logic. Perhaps setting I_ACKNOWLEDGE_THE_MAKEFILE_IS_DEPRECATED=1 and using the last version that works with that option. That option could be set now as a quick workaround also I guess to fix building (Until the Makefile is removed or it doesn't work)

We could use an older version of ioquake3 for systems with a version of cmake that is too old, but would need some additional build logic. Perhaps setting I_ACKNOWLEDGE_THE_MAKEFILE_IS_DEPRECATED=1 and using the last version that works with that option. That option could be set now as a quick workaround also I guess to fix building (Until the Makefile is removed or it doesn't work)

Ok I'll try to add such logic