Index: App/Common.h
===================================================================
diff -u -r29f1ba03faefd982327916590818a260a3e4aa48 -r8ba82119080b77f804fa2b3edadd11422f57371b
--- App/Common.h	(.../Common.h)	(revision 29f1ba03faefd982327916590818a260a3e4aa48)
+++ App/Common.h	(.../Common.h)	(revision 8ba82119080b77f804fa2b3edadd11422f57371b)
@@ -21,8 +21,10 @@
 
 // ********** build switches **********
 
-#define RM46_EVAL_BOARD_TARGET      1
-#define SIMULATE_UI                 1
+#ifndef _VECTORCAST_
+    #define RM46_EVAL_BOARD_TARGET      1
+    #define SIMULATE_UI                 1
+#endif
 
 // ********** public definitions **********
 
@@ -66,7 +68,15 @@
 // **** VectorCAST Definitions ****
 
 #ifdef _VECTORCAST_
-#define _enable_IRQ()
+
+    #define _enable_IRQ()
+    #define _disable_IRQ()
+    #define _enable_FIQ()
+#pragma WEAK(can1LowLevelInterrupt)
+    void can1LowLevelInterrupt(void) {}
+#pragma WEAK(can1HighLevelInterrupt)
+    void can1HighLevelInterrupt(void) {}
+
 #endif
 
 #endif