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[bug#57050] [PATCH v2 09/13] gnu: chez-scheme-for-racket: Suport all sys

From: Philip McGrath
Subject: [bug#57050] [PATCH v2 09/13] gnu: chez-scheme-for-racket: Suport all systems.
Date: Thu, 11 Aug 2022 19:25:37 -0400
User-agent: Cyrus-JMAP/3.7.0-alpha0-811-gb808317eab-fm-20220801.001-gb808317e

On Thu, Aug 11, 2022, at 8:02 AM, Liliana Marie Prikler wrote:
> Am Donnerstag, dem 11.08.2022 um 07:08 -0400 schrieb Philip McGrath:
>> On systems for which Racket's variant of Chez Scheme cannot generate
>> native code, it can use a 'pbarch' machine type: a variant of the
>> ``portable bytecode'' backend specialized to word size and
>> endianness.
>> This allows Racket CS to replace Racket BC on those systems while
>> maintaining comparable performance. (Racket BC lacks JIT support for
>> those systems anyway.) It also lets us provide a Chez Scheme package
>> on
>> all systems Guix supports.
>> This patch adds 'pbarch' support to both 'chez-scheme-for-racket' and
>> 'racket-vm-cs', but it does not change the Racket VM implementation
>> used
>> for the 'racket' and 'racket-minimal' packages.
>> * gnu/packages/chez.scm (nix-system->pbarch-machine-type): New
>> variable.
>> (chez-scheme-for-racket)[inputs]: Use 'libffi' for non-native
>> systems.
>> [arguments]<#:configure-flags>: Always supply '-m='. Add applicable
>> flags for non-native systems.
>> [supported-systems]: Use '%supported-systems'.
> As a follow-up, you could probably inline %supported-systems now, no?

I'm not sure I understand what you mean. We need the -for-racket packages to 
not inherit the supported systems from upstream Chez.


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