Still not compiling, yield() function cannot be resolved.

src/RadioHead/RHReliableDatagram.cpp

@@ -13,6 +13,38 @@
 
 #include "RHReliableDatagram.h"
 
+#ifdef MONGOOSE_OS
+/*
+static bool s_randomSeedCalled = false;
+
+static void randomSeed(unsigned long seed) {
+    if(seed != 0) {
+        srand(seed);
+        s_randomSeedCalled = true;
+    }
+}
+*/
+
+static long random(long howbig) {
+    if(howbig == 0) {
+        return 0;
+    }
+    // if randomSeed was called, fall back to software PRNG
+    // uint32_t val = (s_randomSeedCalled) ? rand() : RANDOM_REG32;
+    uint32_t val = rand();
+    return val % howbig;
+}
+
+static long random(long howsmall, long howbig) {
+    if(howsmall >= howbig) {
+        return howsmall;
+    }
+    long diff = howbig - howsmall;
+    return random(diff) + howsmall;
+}
+#endif
+
+
 ////////////////////////////////////////////////////////////////////
 // Constructors
 RHReliableDatagram::RHReliableDatagram(RHGenericDriver& driver, uint8_t thisAddress)