Index: mysql-cluster-gpl-7.3.7/storage/ndb/src/kernel/vm/mt-asm.h
===================================================================
--- mysql-cluster-gpl-7.3.7.orig/storage/ndb/src/kernel/vm/mt-asm.h
+++ mysql-cluster-gpl-7.3.7/storage/ndb/src/kernel/vm/mt-asm.h
@@ -101,6 +101,17 @@ extern  int xcng(volatile unsigned * add
 extern void cpu_pause();
 #endif
 
+#elif defined(__powerpc__)
+#define NDB_HAVE_MB
+#define NDB_HAVE_RMB
+#define NDB_HAVE_WMB
+#define NDB_HAVE_READ_BARRIER_DEPENDS
+
+#define mb() asm volatile("sync;" ::: "memory")
+#define rmb() asm volatile("sync;" ::: "memory")
+#define wmb() asm volatile("sync;" ::: "memory")
+#define read_barrier_depends() do {} while(0)
+
 #else
 #define NDB_NO_ASM "Unsupported architecture (gcc)"
 #endif