| 9 Oct 2021 |
 pie_ | * I'm not quite sure that implies what I'm saying; but it would be nice if we could build libstdc++ in a separate derivation. (somehow noting the tight coupling of a c++ stdlib and its compiler) | 00:33:37 |
 sterni | In reply to @siraben:matrix.org
Does Nix support Canadian cross-compilation? it's doable, but there's no ready made solution afaik | 09:32:38 |
| sterni | John Ericson talked about this | 09:34:08 |
| pie_ | /nix/store/9lz65rckh7zhg4j76qzmiy0vr9hb0wa1-gcc-10.3.0/lib/debug/libstdc++.so.6 gets created but readelf still shows no debug sections on it... | 12:29:07 |
| pie_ | Anyone see anything wrong with this?
let
nixpkgs = import (import ./nix/sources.nix).nixpkgs {};
gcc = nixpkgs.gcc.override (o: { cc = nixpkgs.gcc.cc.overrideAttrs (o: {
dontStrip = true;
configureFlags = o.configureFlags ++ [ "--enable-libstdcxx-debug" "--enable-languages=c++" ];
hardeningDisable = [ "all" ];
});});
in
with nixpkgs; mkShell {
buildInputs = [
git
niv
valgrind
gcc
gdb
cmake
];
LD_LIBRARY_PATH = "${gcc.cc}/lib/debug";
hardeningDisable = [ "all" ]; # clear extraneous compiler flags, I want to add things manually myself.
}
| 12:34:21 |
 John Ericson | siraben if you call stage.nix yourself it should work | 16:46:25 |
| pie_ | Can I disable separated outputs on gcc? | 21:32:35 |
| pie_ | (I think) When I try to add keepTreeHook, I run into:
cycle detected in the references of '/nix/store/bxspqrcrbqw9sbj3ap9rdrk4fpi8150h-gcc-10.3.0-lib' from '/nix/store/xrizkssnx1m7c0z1fji9qxd7kfd333jr-gcc-10.3.0'
error: build of '/nix/store/ck1vxcqvqzn488njy9iwhy8b90jznyd7-gcc-10.3.0.drv', '/nix/store/r6ipjr4ivr1lc61c2yxsk7l6xj9mdygs-gcc-wrapper-10.3.0.drv' failed
| 21:33:27 |
| 11 Oct 2021 |
 Alyssa Ross | We really need some mechanism to disable optional dependencies on systemd for musl | 09:53:35 |
| Alyssa Ross | or I suppose maybe we could try OpenEmbedded's patches | 10:12:30 |
| Alyssa Ross | not a friendly response last time that was tried though D: https://github.com/NixOS/nixpkgs/pull/37715 | 10:17:58 |
 symphorien | I saw a pr that introduced somthing to replace udev | 10:42:51 |
| symphorien | If we reverted to actually use udev as an input instead of systemd when it makes sens, we could overlay udev with this replacement when on musl | 10:44:04 |
| Alyssa Ross | if you could find that PR that would be very interesting to me! | 10:51:29 |
| Alyssa Ross | I was just packaging libudev-zero, which looks like it'll solve my problem, but there's no PR for that so it can't have been what you saw | 10:51:59 |
| symphorien | ah it was libudev zero as well: https://github.com/NixOS/nixpkgs/pull/136107/files#diff-7f4729ed07e44b3c1b72cd23f20173d664231e0ccac4709648176f389db17e9c | 11:14:17 |
| Alyssa Ross | ah, I can see why I didn't notice that with the title, lol | 11:15:27 |
| symphorien | (there are probably a lot of good things in this PR, but forcing a clang toolchain for icu and postgresql just to make qt work might be a little too hacky | 11:16:21 |
| symphorien | * (there are probably a lot of good things in this PR, but forcing a clang toolchain for icu and postgresql just to make qt work might be a little too hacky) | 11:16:22 |
| Alyssa Ross | yeah, this is the sort of thing that should be 10 smaller PRs | 11:16:51 |
| 12 Oct 2021 |
| sterni | trofi: https://github.com/nixos/nixpkgs/commit/199b7c505b0390429b08edf68552e8a6ff4a08ce broke pkgsStatic.llvmPackages.stdenv, patch doesn't apply there | 11:33:00 |
| sterni | not sure if static or musl is the problem yet | 11:33:21 |
| sterni | maybe the patch touches generated code? | 11:33:27 |
| sterni | hm pkgsMusl.llvm's tests fail, is that new? | 12:49:48 |
 trofi | conditional patches--. will have a look in a few hours. probably musl patches touch libsanitizer's portability header as well and need minor tweaks. | 13:20:18 |
| sterni | ah right looked in the wrong place (for 10) | 13:20:59 |
| sterni | likely the sanitizers-nongnu.patch for musl then | 13:21:06 |
| trofi | Yeah, -nongnu patch touches the same removed CY* enums and fields. I'll clean musl patches up (should be a matter of clean removal of a few CY*-specific hunks) and send out a fix in ~1 hour. | 16:59:12 |
| sterni | nice | 17:36:18 |
| trofi | Proposed as https://github.com/NixOS/nixpkgs/pull/141397. I also noticed that llvm_{8..git} completely drop this backport probably due to the same conflict. I'll have a look at it and restore patches for newer versions. Should be trivial. | 19:00:38 |
