odin-lang.Odin/core/crypto/rand_generic.odin

package crypto

when ODIN_OS != .Linux && ODIN_OS != .OpenBSD && ODIN_OS != .Windows && ODIN_OS != .JS {
	_rand_bytes :: proc(dst: []byte) {
		unimplemented("crypto: rand_bytes not supported on this OS")
	}
}