message: Update makefile
  allow multi-threading compilation
diff: @@ -487,7 +487,7 @@ $(objdir)Client.o: Server/Client.cpp Server/Client.h $(objdir)Socket.o $(objdir)
  #objects in Server/ end
  -$(lib_antlr):
  +pre:
  rm -rf tools/libantlr3c-3.4/
  cd tools; tar -xzvf libantlr3c-3.4.tar.gz;
  cd tools; cd libantlr3c-3.4/; ./configure -enable-64bit; make;
  