Maybe there are issues I'm not aware of but using dockcross has made cross-compilation quite easy in my experience.
replyT2 manages to do it
replyDepends on the language, it's pretty trivial with Go.
replyUnless you use CGO. I've heard people using Zig (which has great cross compilation for the Zig language as well) to cross compile C with CGO though.
replyYes, but they're compiling binutils.
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