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gcc10: build is not deterministic #108475
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0.kind: bugSomething is brokenSomething is broken2.status: stalehttps://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.mdhttps://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md6.topic: reproducible buildsRun nix-build twice and get the same result.Run nix-build twice and get the same result.
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0.kind: bugSomething is brokenSomething is broken2.status: stalehttps://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.mdhttps://github.com/NixOS/nixpkgs/blob/master/.github/STALE-BOT.md6.topic: reproducible buildsRun nix-build twice and get the same result.Run nix-build twice and get the same result.
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Describe the bug
Building gcc twice does not necessarily result in the exact same binary. This makes auditing harder. For more information see https://reproducible-builds.org .
This is a particularly interesting case because gcc-10.2.0 is part of the build closure of nixos.iso_minimal, which we use as a milestone (https://r13y.com, https://arnout.engelen.eu/nixos-r13y/report/)