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@tnias:stratum0.orgtnias

I found out pkgsLLVM.glibc tries to use libgcc for unwinding.
But shouldn't it be using pkgsLLVM.llvmPackages.libunwind with doFakeLibgcc instead?

(the libgcc stuff is currently broken and I'm trying to figure out how to best solve it; details in https://github.com/NixOS/nixpkgs/issues/495182)

20:23:48
@emilazy:matrix.orgemilyit should be using https://github.com/llvm/llvm-project/blob/main/llvm-libgcc/docs/LLVMLibgcc.rst really21:52:09
@emilazy:matrix.orgemily but yes, mixing libgcc in seems busted 21:52:33
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6 Aug 2022
@winterqt:nixos.devWinter (she/her)

Does anyone know where the fact that the Darwin stdenv builds CMake twice comes from? As far as I can tell, it's from stage 0, and then just gets used in the other stages from there. Am I missing something here, is it something with the overrides? It looks like it might be, but then the fact that those are only allowed in the final stage (per booter.nix) (when that doesn't seem true, since then they wouldn't be defined...?) comes up.

(Isn't this the same pattern (defining in one stage and referencing in the others) that makes Glibc only build a limited number of times in the Linux stdenv?)

08:00:17
@trofi:matrix.org@trofi:matrix.org

You think cmake should be rebuild less? Or more?

glibc's is probably a bit different as it's a part of stdenv.cc.libc and mainly used by that I would guess. Also, if depends if the package is used or not by other packages in the derivation would affect rebuild count as well.

14:59:09
@trofi:matrix.org@trofi:matrix.org Looking at stdenv's dep tree I see 2 cmake-boot hashes and one cmake hash: https://dpaste.com/8GGM6P9BF.txt 15:03:11
@winterqt:nixos.devWinter (she/her)
In reply to @trofi:matrix.org

You think cmake should be rebuild less? Or more?

glibc's is probably a bit different as it's a part of stdenv.cc.libc and mainly used by that I would guess. Also, if depends if the package is used or not by other packages in the derivation would affect rebuild count as well.

I have no particular opinion, I'm just curious how that happens.
21:22:09
@winterqt:nixos.devWinter (she/her) Oh, for clarification, I was talking about cmake-boot. 21:22:19

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