--- libmalloc/libmalloc-283/tests/magazine_testing.h
+++ libmalloc/libmalloc-657.60.21/tests/magazine_testing.h
@@ -29,8 +29,11 @@
 
 #import "../src/magazine_rack.c"
 
-boolean_t
-malloc_tracing_enabled = 0;
+bool
+malloc_tracing_enabled = false;
+
+unsigned int
+ncpuclusters = 1;
 
 int
 recirc_retained_regions = DEFAULT_RECIRC_RETAINED_REGIONS;
@@ -64,4 +67,12 @@
 	__builtin_trap();
 }
 
+void
+test_rack_setup(rack_t *rack, rack_type_t rack_type)
+{
+	memset(rack, 'a', sizeof(rack));
+	rack_init(rack, rack_type, 1, 0);
+	T_QUIET; T_ASSERT_NOTNULL(rack->magazines, "magazine initialisation");
+}
+
 #endif // __MAGAZINE_TESTING