nfqws2: compile compat

nfq2/random.h

@@ -0,0 +1,27 @@
+#pragma once
+
+// shim for old NDK and old gcc linux compilers
+
+#include <sys/syscall.h>
+
+#if defined(__linux__)
+
+#if defined(__ANDROID__) && __ANDROID_API__ < 28 || !defined(SYS_getrandom)
+
+#define NEED_GETRANDOM
+
+#include <sys/types.h>
+
+/* getrandom flags */
+#define GRND_NONBLOCK	1
+#define GRND_RANDOM	2
+
+ssize_t getrandom(void *ptr, size_t len, unsigned int flags);
+
+#else
+
+#include <sys/random.h>
+
+#endif
+
+#endif