interchange:	interchange.c ../test_common/test_common.h \
		../test_common/test_common.c \
		../test_common/rpi_pmu.h  ../test_common/rpi_pmu.c
		gcc -c ../test_common/rpi_pmu.c 
		gcc -c ../test_common/test_common.c
		gcc -O2 -c interchange.c
		gcc -o interchange interchange.o test_common.o rpi_pmu.o

clean:
		rm interchange *.o