!ayCRiZriCVtuCUpeLp:nixos.org

Nix Cross Compiling

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23 Oct 2025
@mrargoz:matrix.orgMr Argoz joined the room.20:53:40
24 Oct 2025
@matthewcroughan:defenestrate.itmatthewcroughan Alyssa Ross: can https://github.com/NixOS/nixpkgs/pull/452642 be merged or do we wait for Perl itself to be fixed? 00:15:35
@matthewcroughan:defenestrate.itmatthewcroughanAlso what about https://github.com/NixOS/nixpkgs/pull/445833 ?00:58:19
@qyliss:fairydust.spaceAlyssa RossThat same fix would have to be made for every other package using that perl header, and everywhere we apply that hack, we'd have to undo it when perl is fixed properly.08:23:33
@qyliss:fairydust.spaceAlyssa RossI'm still waiting for a response on that one. https://github.com/NixOS/nixpkgs/pull/445833#discussion_r238408858408:23:42
@matthewcroughan:defenestrate.itmatthewcroughanI'm not sure on it, so I'll just keep applying it locally08:42:16
@matthewcroughan:defenestrate.itmatthewcroughanYeah better to wait then08:42:35
@neobrain:matrix.org@neobrain:matrix.org left the room.10:30:47
@emilazy:matrix.orgemily FWIW pkgsCross.aarch64-multiplatform.bintoolsNoLibc does not evaluate on x86_64-linux right now. it works on 25.05. 20:54:51
@emilazy:matrix.orgemily broken by 5c1955ff1404eddf3c0379a0573aabe83ac5bca3 20:59:35
25 Oct 2025
@emilazy:matrix.orgemilyhttps://github.com/NixOS/nixpkgs/pull/197674/files this PR confuses me deeply01:04:30
@emilazy:matrix.orgemilywe don't support Canadian cross, right? we never have all of build, host, and target distinct?01:04:43
@emilazy:matrix.orgemilybut this NOP apparently fixed things at some point?01:05:13
@emilazy:matrix.orgemilyI must be too tired to think properly :)01:05:29
@emilazy:matrix.orgemilyok, no, it's not a nop, the derivations before and after differ, I'm just confused01:10:07
@emilazy:matrix.orgemily oh 01:11:38
@emilazy:matrix.orgemily
  libraries = lib.makeExtensible (libraries: let
    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python3 isl release_version version monorepoSrc; });
  in {
01:11:45
@emilazy:matrix.orgemilyyeah that. would explain it.01:11:47
@matthewcroughan:defenestrate.itmatthewcroughanWhat is Canadian cross, and where can I learn more about the origins of this terM/14:22:39
@matthewcroughan:defenestrate.itmatthewcroughan* What is Canadian cross, and where can I learn more about the origins of this term?14:22:40
@opna2608:matrix.orgPunadifferent platforms for build, host & target. i.e. cross-compiling (x86_64-linux -> aarch64-linux) a cross-compiler (aarch64-linux -> riscv64-none)14:26:43
@dramforever:matrix.orgdramforever

https://crosstool-ng.github.io/docs/toolchain-types/

The term Canadian Cross was coined because at the time that these issues were all being hashed out, Canada had three national political parties (per Wikipedia).

14:27:28
@emilazy:matrix.orgemilyit's the stupidest term in the universe14:38:31
@alexfmpe:matrix.orgalexfmpewhat's this "ng" I keep seeing everywhere? 14:39:34
@alexfmpe:matrix.orgalexfmpessh-ng, gcc-ng, crosstool-ng14:39:42
@artturin:matrix.orgArtturinNew gen14:39:50
@artturin:matrix.orgArtturin* next gen14:40:06
@alexfmpe:matrix.orgalexfmpeI feel somehow disappointed14:40:09
@alexfmpe:matrix.orgalexfmpe

The term Canadian Cross was coined because at the time that these issues were all being hashed out, Canada had three national political parties

lolwut

14:43:08
@alexfmpe:matrix.orgalexfmpe* lolwut14:43:29

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