ref: ada7d91f17a13106de7cd8edeffed3c404f5cdac
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)