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[20.03] Backport LLVM big-parallel and ghostscript patch #88169

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bennofs
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@bennofs bennofs commented May 19, 2020

Motivation for this change

Backport of LLVM and Ghostscript changes from master to 20.03.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.

The build process of ghostscript has missing dependencies, causing
failures in parallel builds (see hydra build
https://hydra.nixos.org/build/117095669/, reported as ghostscript bug
https://bugs.ghostscript.com/show_bug.cgi?id=702364 here)

(cherry picked from commit 260be73)
LLVM builds frequently time out on hydra at least on AArch64. Marking
big-parallel gives them more resources to finish quicker.

(cherry picked from commit 8c880d9)
LLVM builds frequently time out on hydra at least on AArch64. Marking
big-parallel gives them more resources to finish quicker.

(cherry picked from commit 4b3c3e1)
LLVM builds frequently time out on hydra at least on AArch64. Marking
big-parallel gives them more resources to finish quicker.

(cherry picked from commit 7c27e87)
LLVM builds frequently time out on hydra at least on AArch64. Marking
big-parallel gives them more resources to finish quicker.

(cherry picked from commit ed2ac0d)
@symphorien
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backporting big-parallel looks like a breaking change to me...

@bennofs
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bennofs commented May 19, 2020

Why would that be breaking? I thought that's just for allocating hydra shares

@symphorien
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It affects all setups using remote building, not only hydra.

@bennofs
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bennofs commented Jun 3, 2020

Hmm, looks like the builds for release-20.03 work on hydra now. So maybe we don't need the backport. Closing this for now.

@bennofs bennofs closed this Jun 3, 2020
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2 participants