ghc := ghc ghcflags := -Wall examples := HelloJIT Fibonacci BrainF all: $(examples) %: %.hs $(ghc) $(ghcflags) --make -o $@ -main-is $(basename $<).main $< %.run: % ./$< run: $(examples:%=%.run) N=40 fastfib: Fibonacci @rm -f Fib.bc Fib.s time ./Fibonacci $(N) opt -std-compile-opts Fibonacci.bc -o Fib.bc llc Fib.bc $(CC) mainfib.c Fib.s -o Fib time ./Fib $(N) @echo Have a look at Fib.s if you like to see clever code. clean: rm -f $(examples) *.o *.hi *.s *.bc Fib