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[SOLVED] Running native linux games on lutris (lemmy.blahaj.zone)
submitted 11 months ago by to c/nix@programming.dev
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I've been trying to run native linux games with lutris but can't get it to work. As far as ik, i can either use steam-app in my termianl, which works, or I can use nix-ld which i did setup and also works when running the game's executable from the terminal

I've setup nix-ld like so:

  programs.nix-ld = {
      enable = true;

      libraries = [(pkgs.runCommand "steamrun-lib" {}
  "mkdir $out; ln -s ${pkgs.steam-run.fhsenv}/usr/lib64 $out/lib")];
};

But for some reasons, when running the game's executable in lutris, it just fails instantly, and I'm kinda out of ideas, if anyone knows what to do that'd be real helpful please

Edit: Ok well apparently it just solved itself ??? I realized i could install lutis using programs.lutris.enable = true; instead of just putting it in home.packages, and apparently it fixed the issue. Idk why or how but ig if u use home manager, insall lutris like so

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[–] [S] 2 points 11 months ago (1 child)

returns this error

error: attribute 'multiPkgs' missing
        at /nix/store/j9lcrp816krraglnjk6r8iacl6jvww87-source/nixos/modules/home/packages.nix:24:19:
            23|     (lutris.overrideAttrs (_: prevAttrs: {
            24|       multiPkgs = prevAttrs.multiPkgs ++ [
              |                   ^
            25|         (pkgs.runCommand "steamrun-lib" { } ''

if i were to guess maybe cuz multiPkgs is defined in fhsenv.nix in not in default.nix, could be wring tho im pretty new to nix packaging

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  • [–] 1 point 11 months ago* (last edited 11 months ago)

    No, you are getting the correct Lutris derivation, but it seems like you can't override buildFHSEnv in this way (unlike a regular derivation) which is unfortunate. Looking at it again the package takes an extraLibraries parameter (but it's a function taking a pkgs argument and producing a list, not a bare list). In principle this should work:

    home.packages = with pkgs; [
  (lutris.override {
    extraLibraries = pkgs: [ # shadows the other pkgs!
      (pkgs.runCommand "steamrun-lib" { } ''
        mkdir "$out"
        ln -s "${pkgs.steam-run.fhsenv}"/usr/lib64 "$out"/lib
      '')
    ];
  })
];

    But it actually fails because both steam-run and lutris provide /usr/lib64/ld-linux.so.2 leading to a name collision. So unfortunately it seems the idea of just adding the steam-run env to Lutris doesn't quite work...

    You could instead try something like this:

    home.packages = with pkgs; [
  (lutris.override {
    extraLibraries = pkgs: with pkgs; [
      glibc
      libxcrypt
      libGL
      # ... other libs in steam-run.fhs but not in the lutris FHS env
    ];
  })
];

    Which library the problem game actually needs is anyone's guess. That information might show up somewhere in the logs, or maybe ldd could tell you... but the signal to noise ratio probably won't be very good.

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