--- src/rasqal.h
+++ src/rasqal.h
@@ -99,7 +99,7 @@
/* Use gcc 3.1+ feature to allow marking of deprecated API calls.
* This gives a warning during compiling.
*/
-#if ( __GNUC__ == 3 && __GNUC_MINOR__ > 0 ) || __GNUC__ > 3
+#if (defined __GNUC__ && (( __GNUC__ == 3 && __GNUC_MINOR__ > 0 ) || __GNUC__ > 3)) || defined __clang__
#define RASQAL_DEPRECATED __attribute__((deprecated))
#else
#define RASQAL_DEPRECATED
[ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet)
]
