ref: eed610e8bed757b193e8d9b17562db3f7775c937
dir: /external/SDL2/src/hidapi/libusb/Makefile-manual/
OS=$(shell uname)
ifeq ($(OS), Linux)
FILE=Makefile.linux
endif
ifeq ($(OS), FreeBSD)
FILE=Makefile.freebsd
endif
ifeq ($(FILE), )
all:
$(error Your platform ${OS} is not supported by hidapi/libusb at this time.)
endif
include $(FILE)