On Sun, Feb 21, 2021 at 10:15 AM Christian Heimes <christian@python.org> wrote:
On 21/02/2021 13.47, glaubitz@debian.org wrote:
> Rust doesn't keep any user from building Rust for Tier 2 or Tier 3 platforms. There is no separate configure guard. All platforms that Rust can build for, are always enabled by default. No one in Rust keeps anyone from cross-compiling code for sparc64 or powerpcspe, for example.
> So if you want to copy Rust's mechanism, you should just leave it as is and not claim that users are being confused because "m68k" shows up in configure.ac.

A --enable-unstable-platforms configure flag is my peace offer to meet
you half way. You get a simple way to enable builds on untested
platforms and we can clearly communicate that some OS and hardware
platforms are not supported.

I personally wouldn't want to maintain such a check in autoconf, but it'll be an isolated thing on its own, that if you or someone else creates, will do its job and not bother the rest of us.

I think just publishing our list of (1) supported, (2) best-effort non-release-blocker quasi-supported, and (3) explicitly unsupported in a policy doc is sufficient.  But it's not like any of us are going to stop someone from codifying that in configure.ac to require a flag.


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