Cross compile

[blendthink]

Currently application snapshots (as described here) can only be compiled for the architecture of the machine doing the compilation. We will proceed with support when cross-compilation becomes possible.

• https://dart.dev/tools/dart-compile
• https://github.com/dart-lang/sdk/issues/28617

FYI:

• https://medium.com/flutter-community/cross-compiling-dart-apps-f88e69824639
• https://blog.codemagic.io/cross-compiling-dart-cli-applications-with-codemagic/
• https://crushingcode.nisrulz.com/en/posts/cross-compilation-adventures-with-dart/