--- a/hotspot/src/os_cpu/aix_ppc/vm/os_aix_ppc.hpp	Sat Jan 16 00:28:28 2016 +0000
+++ b/hotspot/src/os_cpu/aix_ppc/vm/os_aix_ppc.hpp	Wed Jan 13 17:55:57 2016 +0100
@@ -32,4 +32,8 @@
   // Note: Currently only used in 64 bit Windows implementations
   static bool register_code_area(char *low, char *high) { return true; }
 
+#define PLATFORM_PRINT_NATIVE_STACK 1
+static bool platform_print_native_stack(outputStream* st, void* context,
+                                        char *buf, int buf_size);
+
 #endif // OS_CPU_AIX_PPC_VM_OS_AIX_PPC_HPP