gtetrinet: prevent warnings and fix style

pkgs/games/gtetrinet/default.nix

@@ -1,5 +1,4 @@
-{ fetchFromGitHub, stdenv
-, perl, perlPackages, gnome2, intltool, pkgconfig, autoconf, automake }:
+{ fetchFromGitHub, stdenv, autoreconfHook, intltool, pkgconfig, libgnome, libgnomeui, GConf }:
 
 stdenv.mkDerivation {
   name = "gtetrinet-0.7.11";
@@ -11,28 +10,26 @@ stdenv.mkDerivation {
     sha256 = "1y05x8lfyxvkjg6c87cfd0xxmb22c88scx8fq3gah7hjy5i42v93";
   };
 
-  buildInputs = [
-    perl
-    perlPackages.XMLParser
-    intltool
-    gnome2.libgnome
-    gnome2.libgnomeui
-    pkgconfig
-    autoconf
-    automake
-  ];
+  nativeBuildInputs = [ autoreconfHook intltool pkgconfig ];
 
-  propagatedUserEnvPkgs = [ gnome2.GConf ];
+  buildInputs = [ libgnome libgnomeui ];
 
-  preConfigure = ''
-    autoreconf --install --force --verbose
+  propagatedUserEnvPkgs = [ GConf ];
+
+  postAutoreconf = ''
     intltoolize --force
   '';
 
+  preInstall = ''
+    export GCONF_DISABLE_MAKEFILE_SCHEMA_INSTALL=1
+  '';
+
   postInstall = ''
     mv "$out/games" "$out/bin"
   '';
 
+  enableParallelBuilding = true;
+
   meta = {
     description = "Client for Tetrinet, a multiplayer online Tetris game.";
     longDescription = ''

pkgs/top-level/all-packages.nix

@@ -17859,7 +17859,9 @@ with pkgs;
 
   gogui = callPackage ../games/gogui {};
 
-  gtetrinet = callPackage ../games/gtetrinet { };
+  gtetrinet = callPackage ../games/gtetrinet {
+    inherit (gnome2) GConf libgnome libgnomeui;
+  };
 
   gtypist = callPackage ../games/gtypist { };