Philip McGrath 4c0ac41ba4 gnu: chez-scheme-for-racket: Fix supported systems. ... This commit fixes the treatment of systems like "powerpc-w64-mingw32", where the combination of architecture and kernel is not supported, even though both are supported in other combinations. The build failure fixed in b8fc916951 highlighted this problem: see also <https://issues.guix.gnu.org/54292#6>. The correct support status is specified by '%chez-features-table', which was added to improve 'chez-upstream-features-for-system': this commit uses it to fix the repair. Once the issues in <https://racket.discourse.group/t/950> are resolved, 'chez-scheme-for-racket' and 'racket-vm-cs' will be able to run even on systems for which native code generation is not supported. It's not clear what behavior would be useful from 'nix-system->chez-machine': since the current implementation is flawed and easy to misuse, we remove it for now, replacing the remaining uses with 'racket-cs-native-supported-system?'. * gnu/packages/chez.scm (nix-system->chez-machine): Remove it. (racket-cs-native-supported-system?): New variable. (chez-scheme-for-racket)[supported-systems]: Use it. * gnu/packages/racket.scm (racket-vm-for-system): Likewise. Signed-off-by: Ludovic Courtès <ludo@gnu.org>		2022-05-12 10:30:08 +02:00
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packages	gnu: chez-scheme-for-racket: Fix supported systems.	2022-05-12 10:30:08 +02:00
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local.mk	gnu: racket: Update to 8.5.	2022-05-12 10:30:07 +02:00
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