upd

modules/nixos/nixpkgs.nix

@@ -6,6 +6,13 @@
 	nixpkgs.config.replaceStdenv = args: args.pkgs.stdenv;
 	nixpkgs.config.packageOverrides = pkgs: {
 		vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+		equibop = pkgs.equibop.overrideAttrs (old: {
+			nativeBuildInputs = (old.nativeBuildInputs or []) ++ [ pkgs.makeWrapper ];
+			postFixup = (old.postFixup or "") + ''
+				wrapProgram $out/bin/equibop \
+					--prefix LD_LIBRARY_PATH : "${pkgs.lib.makeLibraryPath [ (pkgs.lib.getLib pkgs.stdenv.cc.cc) ]}"
+			'';
+		});
 	};
 
 	nix.settings.experimental-features = [ "nix-command" "flakes" ];