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Robotnix

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31 Mar 2024
@eyjhb:eyjhb.dkeyJhbFair :D10:55:55
@eyjhb:eyjhb.dkeyJhb

It seems like lineage needs the same treatment as grapheneos after bumping to 23.11, as shown here https://github.com/nix-community/robotnix/blob/c54c511b3aa3e827e7ae320d604646a0ecc7c96c/flavors/grapheneos/kernel.nix#L25-L36 , I've just initially tested it by adding

      "prebuilts/clang/host/linux-x86/clang-3289846".src = pkgs.stdenv.mkDerivation rec {
        name = "lol";
        src = config.source.dirs."prebuilts/clang/host/linux-x86".src + "/clang-3289846";
        buildInputs2 = with pkgs; [
          zlib ncurses5 libedit
          stdenv.cc.cc.lib # For libstdc++.so.6
          python39 # LLDB links against this particular version of python
        ];

        postPatch = ''
          ls -al 
          # rm -r python3
        '';

        buildInputs = with pkgs; buildInputs2 ++ [ autoPatchelfHook ];
        installPhase = ''
          runHook preInstall
          rm -f env-vars
          cp -r . $out
          runHook postInstall
        '';
        
        autoPatchelfIgnoreMissingDeps=true; # Ignore missing liblog.so
      };

To the source.repos in flavours/lineageos/default.nix. Most likely it needs to reside a different place. Maybe.

12:37:36
@eyjhb:eyjhb.dkeyJhb Feel broken, mostly because I'm not sure what I am even doing. Atemu is lineageos using a prebuilt kernel, and the vanilla and grapheneos is not? Ie. they are built using robotnix? 12:54:13
@eyjhb:eyjhb.dkeyJhb 
out/host/linux-x86/bin/bcc_strip_attr: error while loading shared libraries: libncurses.so.5: cannot open shared object file: No such file or directory
[ 38% 60763/157478] bc lib: libclcore_g.bc_32 (out/target/product/FP4/obj_arm/RENDERSCRIPT_BITCODE/libclcore_g.bc_intermediates/libclcore_g.bc)
FAILED: out/target/product/FP4/obj_arm/RENDERSCRIPT_BITCODE/libclcore_g.bc_intermediates/libclcore_g.bc
13:03:13
@eyjhb:eyjhb.dkeyJhbFun, now it just fails further about libncurses.so.5 complaints. Not sure what changed in nixpkgs, that warrants these errors all of the sudden13:03:36
@atemu12:matrix.orgAtemu
In reply to @eyjhb:eyjhb.dk
Feel broken, mostly because I'm not sure what I am even doing. Atemu is lineageos using a prebuilt kernel, and the vanilla and grapheneos is not? Ie. they are built using robotnix?
I think so yes 		15:07:10
@atemu12:matrix.orgAtemuAh no, nvm I remember: It has kernel sources that are built during the android build15:07:36
@atemu12:matrix.orgAtemuFor Vanilla/GOS we use "prebuilt" kernels that we build in Nix15:07:59
@eyjhb:eyjhb.dkeyJhbI can't make any sense of the latest error I'm getting. I'm now just trying to bisect nixpkgs, to figure out why libncurses.so.5 suddenly can't be found.15:08:01
@atemu12:matrix.orgAtemuBut I have never really touched Vanilla15:08:10
@eyjhb:eyjhb.dkeyJhb
In reply to @atemu12:matrix.org
Ah no, nvm I remember: It has kernel sources that are built during the android build
Makes sense :) 		15:08:28
@eyjhb:eyjhb.dkeyJhbI'm going slightly insane over why ncurses5 suddenly can't be found when bumping nixpkgs. It doesn't make much sense to me.15:08:54
@atemu12:matrix.orgAtemuI vaguely remember ncurses being a bit cursed (heh)15:09:42
@eyjhb:eyjhb.dkeyJhbIndeed.15:09:49
@atemu12:matrix.orgAtemuhttps://github.com/NixOS/nixpkgs/issues/8976915:10:03
@eyjhb:eyjhb.dkeyJhbGrapheneOS does SOMETHING funky with it, which I'm doing as well, then it passes the first part. But then fails with another libncurses.so.5 for the bcc_strip_attr15:10:28
@eyjhb:eyjhb.dkeyJhb
In reply to @atemu12:matrix.org
https://github.com/NixOS/nixpkgs/issues/89769
This issue is from 2020, we're using a 2021 nixpkgs version . But might be the issue? 		15:11:18
@eyjhb:eyjhb.dkeyJhbhttps://github.com/NixOS/nixpkgs/issues/89769#issuecomment-183737492215:12:55
@eyjhb:eyjhb.dkeyJhbI'm desperate enough to try that :P15:13:01
@eyjhb:eyjhb.dkeyJhbhttps://github.com/NixOS/nixpkgs/issues/103648 found this, had hope15:26:48
@eyjhb:eyjhb.dkeyJhbOnly to realise that's already what we're doing.15:26:56
@atemu12:matrix.orgAtemuOh15:31:38
@eyjhb:eyjhb.dkeyJhbI might have found a solution.15:54:24
@eyjhb:eyjhb.dkeyJhbTrying after this current bisect stage.15:54:47
@eyjhb:eyjhb.dkeyJhbhttps://github.com/NixOS/nixpkgs/issues/26277516:11:41
@eyjhb:eyjhb.dkeyJhbI think I found the reason here.16:11:47
@eyjhb:eyjhb.dkeyJhb

/usr/lib and /usr/lib32 was removed from LD_LIBRARYPATH in fhsenv. Adding them back as

      in buildFHSUserEnv {
        name = "robotnix-build";
        targetPkgs = pkgs: config.envPackages;
        multiPkgs = pkgs: with pkgs; [ zlib ];
        profile = ''
          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib:/usr/lib32
        '';
      };
16:12:23
@eyjhb:eyjhb.dkeyJhb *

/usr/lib and /usr/lib32 was removed from LD_LIBRARYPATH in fhsenv. Adding them back as

      in buildFHSUserEnv {
        name = "robotnix-build";
        targetPkgs = pkgs: config.envPackages;
        multiPkgs = pkgs: with pkgs; [ zlib ];
        profile = ''
          export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib:/usr/lib32
        '';
      };

Seems to fix the issue. Currently trying to build.

16:12:37
@eyjhb:eyjhb.dkeyJhbhttps://github.com/NixOS/nixpkgs/pull/26320116:13:10
@eyjhb:eyjhb.dkeyJhbThat was incredibly tiring.16:13:54

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