Fixes for cross-platform build.

main.cpp

@@ -1,9 +1,41 @@
 #include "U2FDevice.hpp"
 #include "Architecture.hpp"
+#include <execinfo.h>
+#include <iostream>
+
+#ifdef DEBUG_MSGS
+//Courtesy StackOverflow answer https://stackoverflow.com/a/3356421
+void terminateHandler()
+{
+    void *trace_elems[20];
+    int trace_elem_count(backtrace(trace_elems, 20));
+    char **stack_syms(backtrace_symbols(trace_elems, trace_elem_count));
+    for (int i = 0; i < trace_elem_count; ++i)
+    {
+        std::cout << stack_syms[i] << "\n";
+    }
+    free(stack_syms);
+
+    exit(1);
+}
+#endif
 
 int main(int argc, char **argv) {
-	initialiseLights(argv[0]);
+#ifdef DEBUG_MSGS
+	std::set_terminate(terminate_handler);
+#endif
 	int retCode = handleTransactions(argv[0], argc == 2 ? argv[1] : STORAGE_PREFIX);
-	deinitialiseLights(argv[0]);
+
+	try
+	{
+		initialiseLights(argv[0]);
+		deinitialiseLights(argv[0]);
+	}
+	catch (std::exception &e)
+	{
+		std::cerr << "Exception in code: " << e.what() << std::endl;
+		throw;
+	}
+
 	return retCode;
 }