Index: libcfa/src/bits/debug.hfa
===================================================================
--- libcfa/src/bits/debug.hfa	(revision 0a805f298d430b1aec64bae13335b7f65ed8138f)
+++ libcfa/src/bits/debug.hfa	(revision c1581a019144f826aca6008d43a76d4bbbdd99a7)
@@ -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__)