diff --git a/src/tests/add-ons/kernel/kernelland_emu/Jamfile b/src/tests/add-ons/kernel/kernelland_emu/Jamfile
index 09d61f5e16..3d570cb89d 100644
--- a/src/tests/add-ons/kernel/kernelland_emu/Jamfile
+++ b/src/tests/add-ons/kernel/kernelland_emu/Jamfile
@@ -13,6 +13,7 @@ SharedLibrary libkernelland_emu.so :
 	module.cpp
 	scheduler.cpp
 	slab.cpp
+	smp.cpp
 	vm.cpp
 
 	khash.cpp
diff --git a/src/tests/add-ons/kernel/kernelland_emu/smp.cpp b/src/tests/add-ons/kernel/kernelland_emu/smp.cpp
new file mode 100644
index 0000000000..fc260f5db4
--- /dev/null
+++ b/src/tests/add-ons/kernel/kernelland_emu/smp.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2012, Axel Dörfler, axeld@pinc-software.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+//!	This is only needed for the debug build.
+
+
+#include <cpu.h>
+#include <smp.h>
+
+
+#ifdef acquire_spinlock
+#	undef acquire_spinlock
+#endif
+
+
+cpu_ent gCPU[8];
+
+
+extern "C" void
+acquire_spinlock(spinlock* lock)
+{
+}
+
+
+extern "C" int32
+smp_get_current_cpu()
+{
+	return 0;
+}