[Feature] flake.nix/dockerfile for simple cross compilation about nih-plug HOT 3 OPEN

For Windows cross compilation on Linux you don't really need anything special. Compiling with --target x86_64-pc-windows-gnu works great as long as you don't enable the assert_process_allocs feature as for whatever reason the assert-no-alloc custom allocator seems to hang indefinitely on that (cross compiled) target.

With macOS it's a more complicated because you need to macOS frameworks. And while things like osxcross exist, I'm pretty sure it's against Apple's EULA to extract and use the frameworks that way.

from nih-plug.

I guess setting up the correct environment applies to all environments, not just for cross compilation. Would you be open to this idea?

I couldn't compile anything with an editor because of missing libs on my system, which having an environment like docker was a lifesaver. A preset file would help beginners like myself set things up without hassle.

God to know about the EULA, what a shame.

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FWIW, I have a shell.nix: https://github.com/magnetophon/voice_master/blob/master/shell.nix

from nih-plug.