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Exotic Nix Targets

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13 Oct 2021
@piper:lutris.engineeringPiper McCorkle (she/her or they/them) * Do the Hydra builders have qemu-binfmt? If not, we'll need to have a sparc64 and ppc64le (etc) buildbox to run those builds on.04:54:18
@r-burns:matrix.orgRyan BurnsUnfortunately not. But what about running the build inside a full-fledged VM? We already use VMs for the NixOS tests, and cross-compile entire NixOS systems for embedded hardware. I don't think it would be too much of a leap to cross-compile a testing VM and use it to bootstrap our exotic platforms.04:56:12
@piper:lutris.engineeringPiper McCorkle (she/her or they/them)True, we could do that! Though that means we need to get a NixOS system working before being able to add that platform.04:58:02
@piper:lutris.engineeringPiper McCorkle (she/her or they/them) I wonder what the hurdles would be to getting qemu-binfmt added to the build boxes, that seems like a more elegant solution than a VM and it would mean running it locally would be as easy as nix build (as long as you have qemu-binfmt or a remote builder for the arch) 05:20:57
@r-burns:matrix.orgRyan BurnsMaybe a question for https://github.com/NixOS/nixos-org-configurations/?05:34:04
@piper:lutris.engineeringPiper McCorkle (she/her or they/them) Looks like they have a Matrix room (#infrastructure:nixos.org ), asked there 05:37:59
@piper:lutris.engineeringPiper McCorkle (she/her or they/them)In other news, with this commit you should be able to build a new bootstrap-tools just by building a derivation: https://github.com/NixOS/nixpkgs/pull/141448/commits/422076f81423e6f163669737bb70d7824653ea5d06:05:56
@sternenseemann:systemli.orgsterni
In reply to @piper:lutris.engineering
True, we could do that! Though that means we need to get a NixOS system working before being able to add that platform.
to start out it could be any linux distribution running a nix-daemon
08:33:52
@qyliss:fairydust.spaceAlyssa Rossalthough then trust is expanded to that distro08:35:53

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