[sharikone]

That cross-compiling is still so thorny in 2021 is in my opinion a big failure of software engineering.

The creator of Zig is maintaining a very accessible and immediate cross compilation infrastructure for Zig and C alike (zig cc). It's a secondary thing to him, but I practically use it very often since it just works, in contrast to the other stuff. Unfortunately even zig cc has often issues with less tested platforms like 32 bit ARM