Index: Common.h
===================================================================
diff -u -re6b38d1e5fbb5eab5cf62e850890632ebcfeb1a7 -r9a59cef171550b5a9cb4f3028520c5d3f9d0c4c0
--- Common.h	(.../Common.h)	(revision e6b38d1e5fbb5eab5cf62e850890632ebcfeb1a7)
+++ Common.h	(.../Common.h)	(revision 9a59cef171550b5a9cb4f3028520c5d3f9d0c4c0)
@@ -177,13 +177,14 @@
     #define _enable_IRQ()
     #define _disable_IRQ()
     #define _enable_FIQ()
-    #define _disable_FIQ()
 
+#ifdef _VC_OVERRIDE_MATH_
     #define fabs(v)     ((v) < 0.0 ? ((v) * -1.0) : (v))
     extern F32 asin( F32 val );
     extern F32 sqrt( F32 val );
-
+    extern F32 pow( F32 val, F32 exp );
 #endif
+#endif
 
 // include alarm mgmt header so any module can trigger an alarm
 #include "AlarmMgmt.h"