CbCC=cbc-gcc-4.6.0 #CFLAGS="-O3 -v" CFLAGS=-O2 PROGRAM= cbc_fibonacci2 c_fibonacci2 all: $(PROGRAM) cbc_fibonacci2: fibonacci2.cbc $(CbCC) $(CFLAGS) -o $@ $^ c_fibonacci2: fibonacci2.c $(CbCC) $(CFLAGS) -o $@ $^ clean: rm e $(PROGRAM)