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llvmPackages_11.compiler-rt: enable support for i486 i586 i686 #100587

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merged 1 commit into from Oct 16, 2020

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@DieGoldeneEnte
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@DieGoldeneEnte DieGoldeneEnte commented Oct 15, 2020

Motivation for this change

compiler-rt (and as a result clang) can't be build for i686 (as noticed here: #99984).
The patch adds the required variables and should result in the same behavior as in the nixpkgs-llvm10. It essentially forces to use i386 buildins when using i486, i586 or i686, which are not supported.

Fixes #100392

Things done
  • tested build for i686 and x86_64 locally.
  • 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.
@primeos
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@primeos primeos commented Oct 16, 2020

@GrahamcOfBorg build pkgsi686Linux.clang_11

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@primeos primeos left a comment

Let's give this a try, thanks!

(Upstream commit that removed i686_SOURCES: llvm/llvm-project@8cbb6cc)

@primeos primeos merged commit 6948875 into NixOS:master Oct 16, 2020
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2 participants