#if defined(THREADED_RTS) && !defined(PARALLEL_GC)
# define evacuate(a) evacuate1(a)
-# define recordMutableGen_GC(a,b) recordMutableGen(a,b)
# define scavenge_loop(a) scavenge_loop1(a)
# define scavenge_block(a) scavenge_block1(a)
# define scavenge_mutable_list(bd,g) scavenge_mutable_list1(bd,g)