added qt4 patching

flake.lock

@@ -49,10 +49,27 @@
         "type": "github"
       }
     },
+    "nixpkgs-qt4": {
+      "locked": {
+        "lastModified": 1688392541,
+        "narHash": "sha256-lHrKvEkCPTUO+7tPfjIcb7Trk6k31rz18vkyqmkeJfY=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ea4c80b39be4c09702b0cb3b42eab59e2ba4f24b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-qt4": "nixpkgs-qt4"
       }
     }
   },

flake.nix

@@ -4,6 +4,7 @@
   inputs = {
     flake-parts.url = "github:hercules-ci/flake-parts";
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    nixpkgs-qt4.url = "github:NixOS/nixpkgs/nixos-22.11";
   };
 
   outputs =
@@ -22,6 +23,9 @@
           system,
           ...
         }:
+        let
+          pkgs-qt4 = inputs.nixpkgs-qt4.legacyPackages.${system};
+        in
         {
           overlayAttrs = {
             inherit (config.packages) VSTSpeek;
@@ -33,9 +37,13 @@
               url = "https://blog.wavosaur.com/download/linux/VstSpeek3-x64.so.tar.gz";
               hash = "sha256-xWSprHBU/7zz/KdH8nF6elwQRE29DEO9uDC4qie4n6g=";
             };
-            nativeBuildInputs = [ pkgs.autoPatchelfHook ];
+            nativeBuildInputs = [
+              pkgs.autoPatchelfHook
+              pkgs.patchelf
+            ];
             buildInputs = with pkgs; [
               stdenv.cc.cc.lib # libstdc++
+              pkgs-qt4.qt4
             ];
             dontUnpack = true;
             dontBuild = true;
@@ -43,6 +51,7 @@
             installPhase = ''
               mkdir -p $out/lib/vst
               tar -xzf $src -C $out/lib/vst/
+              patchelf --add-rpath ${pkgs-qt4.qt4}/lib $out/lib/vst/VstSpeek3.so
             '';
           };
           packages.default = self'.packages.VSTSpeek;