This is like being a child, waking up and realizing its christmas (and 
easter at the same time), 
thank you for working on this, I will test out this shiny new toy/gift 
(meant in the best possible way).

Because I am on linux, I will try to cross compile to windows (time to dust 
off my windows vm for testing ;))

Matthew Flatt schrieb am Donnerstag, 13. Mai 2021 um 17:54:40 UTC+2:

> While `raco exe` in v8.1 very nearly supports cross-builds of Racket
> executables[*], it's not easy to pass the right flags and set up the
> needed target-platform distributions.
>
> The `raco cross` command provided by the new "raco-cross" package wraps
> Racket tools to simplify all of that management. For example,
>
> raco cross --target x86_64-linux --vm bc exe example.rkt
>
> is like running
>
> raco exe example.rkt
>
> but it cross-builds for x86_64 Linux. That build process involves
> downloading a minimal racket tarball for the target platform,
> installing "compiler-lib" there, downloading a matching minimal build
> of Racket for the host platform, and then running the host Racket in
> cross-build mode with installed target distribution --- but, again,
> `raco cross` takes care of all that.
>
> Just like using `raco exe` on Linux, the generated executable won't
> actually work on other machines until you package it in a distribution
> using `raco dist`:
>
> raco cross --target x86_64-linux --vm bc dist example-dist example
>
> Naturally, this second invocation of `raco cross` for the same target
> uses the installations prepared by the first `raco cross`, so it's
> relatively fast.
>
>
> I expect that `raco cross` will become more useful after the v8.2
> release, which will repair cross-compilation for CS executables and
> executables with native libraries (like GUI executables). Meanwhile,
> it's possible to use `raco cross` with snapshot builds, but you have to
> point it at a snapshot site; see the documentation for more
> information.
>
>
> Because juggling multiple installations and versions is a lot of the
> work for cross-compilation, `raco cross` can also be a way to get to a
> different version of Racket in minimal form. For example,
>
> raco cross --version 8.0 racket
>
> starts a Racket v8.0 prompt. (The `racket` command is treated specially
> by `raco cross`. All other commands are prefixed by `raco`.)
>
>
> For more information see
>
> https://docs.racket-lang.org/raco-cross/index.html
>
>
> [*] Running a cross-built CS executable fails at the very last step of
> startup, and that's due to an expander bug for handling top-level
> `begin` forms compiled in machine-independent form. We didn't
> detect this problem before, because it wasn't part of Bogdan's use
> case for cross builds, and because cross-compilation was painful
> enough that we didn't actually try other cases.
>

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