-# if defined(__s390__)
-# define DEVRANDOM "/dev/prandom","/dev/urandom","/dev/hwrng","/dev/random"
-# else
-# define DEVRANDOM "/dev/urandom","/dev/random","/dev/srandom"
+# define DEVRANDOM "/dev/urandom", "/dev/random", "/dev/hwrng", "/dev/srandom"
+# ifdef __linux
+# define DEVRANDOM_WAIT "/dev/random"