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make-bootstrap-tools-cross: add powerpc64-unknown-linux-gnuabielfv1#419955

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OPNA2608:init/ppc64elfv1-cross-bootstrapTools
Jul 3, 2025
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make-bootstrap-tools-cross: add powerpc64-unknown-linux-gnuabielfv1#419955
Aleksanaa merged 1 commit intoNixOS:masterfrom
OPNA2608:init/ppc64elfv1-cross-bootstrapTools

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@OPNA2608 OPNA2608 commented Jun 25, 2025 •
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So hydra can cross-compile some bootstrap-files for the next step.

ppc64 got turned into an alias for ppc64-elfv2 in #418443, so switch it to the proper attribute as well.

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@ofborg ofborg bot added the 6.topic: cross-compilation Building packages on a different platform than they will be used on label Jun 25, 2025
@nixpkgs-ci nixpkgs-ci bot added 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 0 This PR does not cause any packages to rebuild on Linux. 6.topic: stdenv Standard environment labels Jun 25, 2025
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OPNA2608 commented Jun 25, 2025

Can build the bootstrapFiles with #419970 applied, haven't checked if they actually work yet.

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OPNA2608 commented Jun 27, 2025 •
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Cross-compiled the bootstrapFiles on my x86_64 machine, copied them to my powerpc64 machine, hooked them up in the linux stdenv code and built my way to stdenv - after fixing some test failures in coreutils/diffutils/gnugrep & an issue JIT-enabled PCRE2 along the way. I think this should work.

puna@HC ~/D/nixpkgs (master)> nix-build --no-out-link . --argstr localSystem powerpc64-unknown-linux-gnuabielfv1 -A hello
/nix/store/bc2wzvayx88ipn6d0fxzwny1zhq1x8s5-hello-2.12.2
puna@HC ~/D/nixpkgs (master)> file /nix/store/bc2wzvayx88ipn6d0fxzwny1zhq1x8s5-hello-2.12.2/bin/hello 
/nix/store/bc2wzvayx88ipn6d0fxzwny1zhq1x8s5-hello-2.12.2/bin/hello: ELF 64-bit MSB executable, 64-bit PowerPC or cisco 7500, Power ELF V1 ABI, version 1 (SYSV), dynamically linked, interpreter /nix/store/4hmb090mxa5gcqn6wxnj6isb5zlb6v03-glibc-2.40-66/lib/ld64.so.1, for GNU/Linux 3.10.0, not stripped
puna@HC ~/D/nixpkgs (master)> /nix/store/bc2wzvayx88ipn6d0fxzwny1zhq1x8s5-hello-2.12.2/bin/hello 
Hello, world!

@OPNA2608 OPNA2608 marked this pull request as ready for review June 27, 2025 18:16
@OPNA2608 OPNA2608 mentioned this pull request Jun 30, 2025
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@nixpkgs-ci nixpkgs-ci bot added the 12.approvals: 1 This PR was reviewed and approved by one person. label Jul 3, 2025
@Aleksanaa Aleksanaa merged commit f29a69c into NixOS:master Jul 3, 2025
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@github-project-automation github-project-automation bot moved this to Done in Stdenv Jul 3, 2025
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alyssais commented Jul 3, 2025

Do we really need both?

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Aleksanaa commented Jul 3, 2025

To avoid another lengthy discussion about whether elfv2 should be temporarily removed, I guess.

It's fine to support both though. We have also added boostrap for musl, for example.

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alyssais commented Jul 3, 2025

Right, I guess otherwise you'd need to cross compile during bootstrap.

@emilazy emilazy mentioned this pull request Sep 7, 2025
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6.topic: cross-compilation Building packages on a different platform than they will be used on 6.topic: stdenv Standard environment 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin. 10.rebuild-linux: 0 This PR does not cause any packages to rebuild on Linux. 12.approvals: 1 This PR was reviewed and approved by one person.

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