Index: libcfa/src/bits/debug.hfa
===================================================================
--- libcfa/src/bits/debug.hfa	(revision 1539bbdb91258b39bd5f38e1d4e9b88fb0a17547)
+++ libcfa/src/bits/debug.hfa	(revision c5c743e785c46b220e1c27e3f617c716deccbf1a)
@@ -49,5 +49,6 @@
 	extern void __cfaabi_bits_print_buffer( int fd, char buffer[], int buffer_size, const char fmt[], ... ) __attribute__(( format(printf, 4, 5) ));
 
-#if defined(__CFA_DEBUG_PRINT__) || defined(__CFA_DEBUG_PRINT_IO__) \
+#if defined(__CFA_DEBUG_PRINT__) \
+		|| defined(__CFA_DEBUG_PRINT_IO__) || defined(__CFA_DEBUG_PRINT_IO_CORE__) \
 		|| defined(__CFA_DEBUG_PRINT_MONITOR__) || defined(__CFA_DEBUG_PRINT_PREEMPTION__) \
 		|| defined(__CFA_DEBUG_PRINT_RUNTIME_CORE__) || defined(__CFA_DEBUG_PRINT_EXCEPTION__)