refactor to use autoreconfHook where possible

Close #12446.

pkgs/games/rili/default.nix

@@ -1,8 +1,8 @@
-{stdenv, fetchurl, SDL_mixer, SDL, autoconf, automake}:
+{ stdenv, fetchurl, SDL_mixer, SDL, autoreconfHook }:
 
 stdenv.mkDerivation {
-  name = "ri_li-2.0.1"; 
-  
+  name = "ri_li-2.0.1";
+
   src = fetchurl {
     url = mirror://sourceforge/ri-li/Ri-li-2.0.1.tar.bz2;
     sha256 = "f71ccc20c37c601358d963e087ac0d524de8c68e96df09c3aac1ae65edd38dbd";
@@ -10,13 +10,10 @@ stdenv.mkDerivation {
 
   patches = [ ./moderinze_cpp.patch ];
 
-  preConfigure = ''
-    export CPPFLAGS="-I${SDL}/include -I${SDL}/include/SDL -I${SDL_mixer}/include"
-    autoreconf -i
-  '';
-  
-  buildInputs = [SDL SDL_mixer autoconf automake];
-  
+  CPPFLAGS = "-I${SDL}/include -I${SDL}/include/SDL -I${SDL_mixer}/include";
+
+  buildInputs = [ SDL SDL_mixer autoreconfHook ];
+
   meta = {
     homepage = http://ri-li.sourceforge.net;
     license = stdenv.lib.licenses.gpl2Plus;