Index: kernel/arch/sparc64/src/sun4u/sparc64.c
===================================================================
--- kernel/arch/sparc64/src/sun4u/sparc64.c	(revision 18baf9c0c35a8ee98eda033f039299251c422462)
+++ kernel/arch/sparc64/src/sun4u/sparc64.c	(revision b473611ceac30d2844afddbecf5c2cd999470cdf)
@@ -44,4 +44,5 @@
 #include <arch/mm/page.h>
 #include <arch/stack.h>
+#include <interrupt.h>
 #include <genarch/ofw/ofw_tree.h>
 #include <userspace.h>
@@ -166,4 +167,9 @@
 }
 
+void irq_initialize_arch(irq_t *irq)
+{
+	(void) irq;
+}
+
 /** @}
  */