doomseeker: cleanup

pkgs/applications/misc/doomseeker/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "doomseeker-1.0";
+
   src = fetchurl {
     url = "http://doomseeker.drdteam.org/files/${name}_src.tar.bz2";
     sha256 = "172ybxg720r64hp6aah0hqvxklqv1cf8v7kwx0ng5ap0h20jydbw";
   };
 
-  cmakeFlags = ''
-    -DCMAKE_BUILD_TYPE=Release
-  '';
+  cmakeFlags = [ "-DCMAKE_BUILD_TYPE=Release" ];
+
+  buildInputs = [ qt4 zlib bzip2 ];
 
-  buildInputs = [ cmake pkgconfig qt4 zlib bzip2 ];
+  nativeBuildInputs = [ cmake pkgconfig ];
 
   enableParallelBuilding = true;
 
···
     maintainers = with stdenv.lib.maintainers; [ MP2E ];
   };
 }
-