CC = gcc
  LIBUSB_CFLAGS = $(shell pkg-config --cflags libusb-1.0)
  LIBUSB_LIBS = $(shell pkg-config --libs libusb-1.0)
  WARNINGS = -Wall -Wextra
  CFLAGS = $(LIBUSB_CFLAGS) $(WARNINGS)
  LDFLAGS = $(LIBUSB_LIBS)
  
  all: test
  %: %.c
  	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
  
  clean:
  	$(RM) test