Bug: Unused variables in rand_utils triggered warnings.

src/external/rand_utils.hpp

@@ -448,7 +448,8 @@ namespace randutils {
         default_seeds local_entropy()
         {
             // This is a constant that changes every time we compile the code
-            constexpr uint32_t compile_stamp = fnv(2166136261U, __DATE__ __TIME__ __FILE__);
+            // TODO Matthias: commented out since it causes an unused variable warning
+            // constexpr uint32_t compile_stamp = fnv(2166136261U, __DATE__ __TIME__ __FILE__);
 
             // Some people think you shouldn't use the random device much because
             // on some platforms it could be expensive to call or "use up" vital
@@ -481,7 +482,8 @@ namespace randutils {
             // The address of the time function.  It should hopefully be in
             // a system library that hopefully isn't always in the same place
             // (might not change until system is rebooted though)
-            auto time_func = hash(&std::chrono::high_resolution_clock::now);
+            // TODO Matthias: commented out since it triggers an unused variable warning
+            // auto time_func = hash(&std::chrono::high_resolution_clock::now);
 
             // The address of the exit function.  It should hopefully be in
             // a system library that hopefully isn't always in the same place