add flag for gprof profiling
add flag for gprof profiling

akuhlens/schml,akuhlens/schml,akuhlens/schml,Gradual-Typing/Grift,Gradual-Typing/Grift,akuhlens/schml,Gradual-Typing/Grift,akuhlens/schml,Gradual-Typing/Grift,akuhlens/schml