#ifndef _H_MUSCLE_PP
#define _H_MUSCLE_PP
+#include <TargetConditionals.h>
+
+#if TARGET_OS_OSX
+
#include <security_utilities/refcount.h>
#include <security_utilities/pcsc++.h>
#include <PCSC/musclecard.h>
} // namespace Muscle
} // namespace Security
-
+#endif //TARGET_OS_OSX
#endif //_H_MUSCLE_PP