Index: /trunk/src/VBox/Runtime/Makefile.kmk
===================================================================
--- /trunk/src/VBox/Runtime/Makefile.kmk	(revision 59305)
+++ /trunk/src/VBox/Runtime/Makefile.kmk	(revision 59306)
@@ -984,5 +984,4 @@
 	generic/RTUuidCreate-generic.cpp \
 	generic/mppresent-generic.cpp \
-	generic/RTMpGetOnlineCoreCount-generic.cpp \
  	generic/RTSemEventMultiWait-2-ex-generic.cpp \
  	generic/RTSemEventMultiWaitNoResume-2-ex-generic.cpp \
Index: /trunk/src/VBox/Runtime/r3/darwin/mp-darwin.cpp
===================================================================
--- /trunk/src/VBox/Runtime/r3/darwin/mp-darwin.cpp	(revision 59305)
+++ /trunk/src/VBox/Runtime/r3/darwin/mp-darwin.cpp	(revision 59306)
@@ -209,4 +209,10 @@
 
 
+RTDECL(RTCPUID) RTMpGetOnlineCoreCount(void)
+{
+    return rtMpDarwinOnlinePhysicalCpus();
+}
+
+
 RTDECL(uint32_t) RTMpGetCurFrequency(RTCPUID idCpu)
 {