diff -urN ./src/omx_reference_resource_manager.c ./src/omx_reference_resource_manager.c
--- ./src/omx_reference_resource_manager.c	2021-08-05 18:44:02.502180627 +0800
+++ ./src/omx_reference_resource_manager.c	2021-08-05 18:47:24.151838514 +0800
@@ -30,6 +30,11 @@
 #include "base/omx_base_component.h"
 #include "queue.h"

+int globalIndex;
+NameIndexType *listOfcomponentRegistered;
+ComponentListType **globalComponentList;
+ComponentListType **globalWaitingComponentList;
+
 /**
  * This is the static base pointer of the list
  */
diff -urN ./src/omx_reference_resource_manager.h ./src/omx_reference_resource_manager.h
--- ./src/omx_reference_resource_manager.h	2011-01-12 15:53:26.000000000 +0800
+++ ./src/omx_reference_resource_manager.h	2021-08-05 18:46:51.663571188 +0800
@@ -49,10 +49,10 @@
 };


-int globalIndex;
-NameIndexType *listOfcomponentRegistered;
-ComponentListType **globalComponentList;
-ComponentListType **globalWaitingComponentList;
+extern int globalIndex;
+extern NameIndexType *listOfcomponentRegistered;
+extern ComponentListType **globalComponentList;
+extern ComponentListType **globalWaitingComponentList;

 OMX_ERRORTYPE RM_RegisterComponent(char *name, int max_components);
 OMX_ERRORTYPE addElemToList(ComponentListType **list, OMX_COMPONENTTYPE *openmaxStandComp, int index, OMX_BOOL bIsWaiting);