(Request) Flatpak script ala Sonic 1/2 Decomp for Steam Deck users to be able to build with Plus support

[Star-X555]

Tried building it myself on my Arch Linux tablet, but on Steam Deck using Maniatic launcher with a swapped Game.so it just comes up as a white screen, presumably because Arch Linux is further ahead of SteamOS update wise.

Obviously Steam Deck lacks the Base-devel package on its immutable filesystem, which rules out compiling through normal means too.

I'm terribly stupid when it comes to flatpaks, so a script that does the building for you would be greatly appreciated.

[Clownacy]

For cross-compiling to the Steam Deck, I use Debian. Its packages are old enough that binaries compiled on it will run on SteamOS.

[TheAgamer554]

if you follow these steps you should be able to compile it on the steam deck by using flatpak only https://github.com/santiagocezar/rsdkv5-decomp-docs/blob/main/Linux.md#compiling-flatpak