Index: uspace/lib/libc/arch/ia64/include/types.h
===================================================================
--- uspace/lib/libc/arch/ia64/include/types.h	(revision e515b21a3fde67534b9cb58f7237e854904ccba2)
+++ uspace/lib/libc/arch/ia64/include/types.h	(revision bca408bfd84743b83b4ee34646013041a86f2ccf)
@@ -36,4 +36,6 @@
 #define LIBC_ia64_TYPES_H_
 
+#define __64_BITS__
+
 typedef unsigned long long sysarg_t;