OS ?= FreeBSD
  #OS ?= NetBSD
  #OS ?= OpenBSD
  
  CFLAGS ?= -O2 -Wall
  CC ?= gcc
  
  .if $(OS) == "FreeBSD"
  CFLAGS += -DUSE_LIBUSB
  LIBS =  -lusb
  .elif $(OS) == "NetBSD" || $(OS) == "OpenBSD"
  CFLAGS += -DUSE_UHID
  LIBS =
  .endif
  
  
  hid_bootloader_cli: hid_bootloader_cli.c
  	$(CC) $(CFLAGS) -s -o hid_bootloader_cli hid_bootloader_cli.c $(LIBS)
  
  clean:
  	rm -f hid_bootloader_cli