@@ -9,10 +9,11 @@
  * the packaging of this file.
  */
 
 #include "config.h"
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
 #include <assert.h>
 
@@ -37,14 +38,24 @@
 #define PRE_IVAR ((struct pre_ivar*)((char*)self - PRE_IVAR_ALIGN))
 
 static struct {
 	Class isa;
 } alloc_failed_exception;
+
+#ifdef NEED_OBJC_SYNC_INIT
+extern BOOL objc_sync_init();
+#endif
 
 @implementation OFObject
 + (void)initialize
 {
+#ifdef NEED_OBJC_SYNC_INIT
+	if (!objc_sync_init()) {
+		fputs("Runtime error: objc_sync_init() failed!\n", stderr);
+		abort();
+	}
+#endif
 }
 
 + alloc
 {
 	OFObject *instance;