harvey/sys/src/cmd/usb/usbd/build.json

{
	"usbd": {
		"Include": [
			"/sys/src/cmd/cmd.json"
		],
		"Install": "/$ARCH/bin/usb",
		"Oflags": [
			"-lusb"
		],
		"Pre": [
			"go run ./m.go -o devtab.c usbdb.json"
		],
		"Program": "usbd",
		"SourceFiles": [
			"usbd.c",
			"dev.c",
			"devtab.c"
		]
	}
}