| 27 Apr 2025 |
 K900 | Cross is like that, yes | 13:42:29 |
| K900 | What is failing? | 13:42:31 |
 Andrew Bruce | I seem to be hitting this, which is still open: https://github.com/NixOS/nixpkgs/issues/305858 | 13:42:32 |
| Andrew Bruce | Just gonna rerun without any of my overrides, one sec | 13:43:43 |
| Andrew Bruce | so I get an exec format error when attempting to build klipper with cross | 13:44:09 |
| Andrew Bruce | Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/8cja5ayb2ly220yq2ffz3jq59vjg3nyv-source
source root is source/klippy
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
substituteStream() in derivation klipper-aarch64-unknown-linux-gnu-0.12.0-unstable-2025-03-25: WARNING: '--replace' is deprecated, use --replace-{fail,warn,quiet}. (file 'klippy.py')
substituteStream() in derivation klipper-aarch64-unknown-linux-gnu-0.12.0-unstable-2025-03-25: WARNING: pattern /usr/bin/env\ python2 doesn't match anything in file 'parsedump.py'
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: configurePhase
@nix { "action": "setPhase", "phase": "configurePhase" }
no configure script, doing nothing
Running phase: buildPhase
@nix { "action": "setPhase", "phase": "buildPhase" }
no Makefile or custom buildPhase, doing nothing
/nix/store/8zmq6va4hap58sjixw9ligkg0whd59mv-stdenv-linux/setup: line 269: /nix/store/jvvwna8fl73zh1ds2i1si4j116y6xn6j-python3-aarch64-unknown-linux-gnu-3.12.9-env/bin/python: cannot execute binary file: Exec format error
| 13:45:20 |
| Andrew Bruce | when I try to override that derivation to use buildPackages.python3, I get another error because the python thing in that upstream project can't find a .so | 13:46:21 |
| Andrew Bruce | I guess for now I'm wondering if binfmt emulation is the way to go to sidestep cross altogether | 13:46:58 |
| K900 | Yeah that's just broken | 13:47:02 |
| K900 | binfmt emulation is the way to go if you want to avoid cross, yes | 13:47:12 |
| Andrew Bruce | I mean obviously I'd love for this to work, but rn I want my new printer to spring into life :) | 13:47:38 |
| Andrew Bruce | It looks like maybe that upstream project wants to do on-the-fly compilation or something which could mean trouble | 13:48:29 |
| K900 | Uhh OK | 13:48:36 |
| Andrew Bruce | It's this if you're interested: https://github.com/Klipper3d/klipper/blob/master/klippy/chelper/__init__.py | 13:48:41 |
| K900 | Yeah klipper cross is going to be a huge pain | 13:48:44 |
| K900 | Yes I just found that | 13:48:49 |
| Andrew Bruce | feels like the same sort of issue I deal with in a 2nix I've written where some packages want to get clever | 13:50:11 |
| 28 Apr 2025 |
 rhelmot | trying to build pkgsCross.mingwW64.buildPackages.at-spi2-core on an aarch64-linux machine tries to pull in wine64 for some reason and refuses to eval - seems to be splicing related? | 00:09:36 |
| rhelmot | I could be wrong. gobject-introspection has gotten me with its labrynthine tendrils before | 00:14:20 |
| rhelmot | oh my god, WHY does gobject-introspection-wrapper use targetPackages. this isn't accounted for by the standard guard about whether to enable introspection for a given project??? | 00:22:39 |
| rhelmot | okay this seems to be the actual minimal issue: pkgsCross.mingwW64.stdenv.targetPlatform.emulatorAvailable pkgs throws instead of returning false. is this intended? | 00:51:56 |
 Artturin | In reply to @rhelmot:matrix.org
I could be wrong. gobject-introspection has gotten me with its labrynthine tendrils before Yeah its weird, and I wrote it lol, luckily buildroot had it working before us so I could copy some of their stuff | 05:10:01 |
| Artturin | In reply to @rhelmot:matrix.org
okay this seems to be the actual minimal issue: pkgsCross.mingwW64.stdenv.targetPlatform.emulatorAvailable pkgs throws instead of returning false. is this intended? The issue should be that emulatorAvailable doesn't check for the actual availability of the package | 06:02:55 |
| rhelmot | I ended up adding an additional clause that checked if the host was x86_64 linux before returning wine, and that seems to have worked | 06:12:08 |
| Artturin | index ce257d5307b6..57cc5189fa3e 100644
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -380,7 +380,7 @@ let
# arguments, a wrapper should be used.
if pkgs.stdenv.hostPlatform.canExecute final then
lib.getExe (pkgs.writeShellScriptBin "exec" ''exec "$@"'')
- else if final.isWindows then
+ else if final.isWindows && wine.meta.available then
"${wine}/bin/wine${optionalString (final.parsed.cpu.bits == 64) "64"}"
else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux && final.qemuArch != null then
"${pkgs.qemu-user}/bin/qemu-${final.qemuArch}"
| 06:15:15 |
| rhelmot | 👀 | 06:15:45 |
| Artturin | * --- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -380,7 +380,7 @@ let
# arguments, a wrapper should be used.
if pkgs.stdenv.hostPlatform.canExecute final then
lib.getExe (pkgs.writeShellScriptBin "exec" ''exec "$@"'')
- else if final.isWindows then
+ else if final.isWindows && wine.meta.available then
"${wine}/bin/wine${optionalString (final.parsed.cpu.bits == 64) "64"}"
else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux && final.qemuArch != null then
"${pkgs.qemu-user}/bin/qemu-${final.qemuArch}"
| 06:15:52 |
| Artturin | * ```
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -380,7 +380,7 @@ let
# arguments, a wrapper should be used.
if pkgs.stdenv.hostPlatform.canExecute final then
lib.getExe (pkgs.writeShellScriptBin "exec" ''exec "$@"'')
else if final.isWindows then
else if final.isWindows && wine.meta.available then
"${wine}/bin/wine${optionalString (final.parsed.cpu.bits == 64) "64"}"
else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux && final.qemuArch != null then
"${pkgs.qemu-user}/bin/qemu-${final.qemuArch}"
``` | 06:16:14 |
| Artturin | * ```
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -380,7 +380,7 @@ let
# arguments, a wrapper should be used.
if pkgs.stdenv.hostPlatform.canExecute final then
lib.getExe (pkgs.writeShellScriptBin "exec" ''exec "$@"'')
- else if final.isWindows then
+ else if final.isWindows && wine.meta.available then
"${wine}/bin/wine${optionalString (final.parsed.cpu.bits == 64) "64"}"
else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux && final.qemuArch != null then
"${pkgs.qemu-user}/bin/qemu-${final.qemuArch}"
leo@nixos ~/nixpkgs (git)-[master] % | 06:16:56 |
| Artturin | * ```
--- a/lib/systems/default.nix
+++ b/lib/systems/default.nix
@@ -380,7 +380,7 @@ let
# arguments, a wrapper should be used.
if pkgs.stdenv.hostPlatform.canExecute final then
lib.getExe (pkgs.writeShellScriptBin "exec" ''exec "$@"'')
- else if final.isWindows then
+ else if final.isWindows && wine.meta.available then
"${wine}/bin/wine${optionalString (final.parsed.cpu.bits == 64) "64"}"
else if final.isLinux && pkgs.stdenv.hostPlatform.isLinux && final.qemuArch != null then
"${pkgs.qemu-user}/bin/qemu-${final.qemuArch}" | 06:17:22 |
