buildroot/package/libusb/Config.in

config BR2_PACKAGE_LIBUSB
	bool "libusb"
	depends on BR2_TOOLCHAIN_HAS_THREADS
	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # _Thread_local
	help
	  Userspace library for accessing USB devices

	  http://libusb.info/

if BR2_PACKAGE_LIBUSB

config BR2_PACKAGE_LIBUSB_EXAMPLES
	bool "build libusb examples"

endif

comment "libusb needs a toolchain w/ threads, gcc >= 4.9"
	depends on !BR2_TOOLCHAIN_HAS_THREADS || \
		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9