+#define STRINGIFY_(x) #x
+#define STRINGIFY(x) STRINGIFY_(x)
+
+#if defined(__GNUC__)
+#if defined(__GNUC_PATCHLEVEL__)
+#define COMPILER "GCC" " " STRINGIFY(__GNUC__) "." STRINGIFY(__GNUC_MINOR__) "." STRINGIFY(__GNUC_PATCHLEVEL__)
+#else
+#define COMPILER "GCC" " " STRINGIFY(__GNUC__) "." STRINGIFY(__GNUC_MINOR__)
+#endif
+#elif defined (__IMAGECRAFT__)
+#define COMPILER "ICCAVR"
+#else
+#define COMPILER "Unknown"
+#endif
+