diff --git a/Source/GSPrivate.h b/Source/GSPrivate.h
index 1e04fc0..6aed596 100644
--- a/Source/GSPrivate.h
+++ b/Source/GSPrivate.h
@@ -543,6 +543,20 @@ GSPrivateIsCollectable(const void *ptr) GS_ATTRIB_PRIVATE;
 NSZone*
 GSAtomicMallocZone (void);
 
+#if GS_USE_LIBDISPATCH
+void
+GSPrivateDispatchInitialize(void) GS_ATTRIB_PRIVATE;
+
+/* These functions are used by libdispatch to initialize
+ * NSAutoreleasePool for its worker threads.
+ */
+void*
+GSPrivateAutoreleasePoolAllocate(void) GS_ATTRIB_PRIVATE;
+void
+GSPrivateAutoreleasePoolDeallocate(void* param) GS_ATTRIB_PRIVATE;
+#endif /* GS_USE_LIBDISPATCH */
+
+
 /* Implementation of ShellSort for GNUStep
  */
 #if GS_USE_SHELLSORT
diff --git a/Source/NSAutoreleasePool.m b/Source/NSAutoreleasePool.m
index 2230e4a..4e9a6b0 100644
--- a/Source/NSAutoreleasePool.m
+++ b/Source/NSAutoreleasePool.m
@@ -823,3 +823,29 @@ pop_pool_from_cache (struct autorelease_thread_vars *tv)
 
 @end
 #endif // !GS_WITH_GC
+
+# if GS_USE_LIBDISPATCH
+void*
+GSPrivateAutoreleasePoolAllocate(void)
+{
+#ifdef ARC_RUNTIME
+  return NULL;
+#else
+  return [NSAutoreleasePool new];
+#endif
+}
+
+#ifdef ARC_RUNTIME
+#define ARC_UNUSED __attribute__((unused))
+#else
+#define ARC_UNUSED
+#endif
+void
+GSPrivateAutoreleasePoolDeallocate(void* param ARC_UNUSED)
+{
+#ifndef ARC_RUNTIME
+  NSAutoreleasePool *pool = param;
+  [pool drain];
+#endif
+}
+# endif /* GS_USE_LIBDISPATCH */
diff --git a/Source/NSObject.m b/Source/NSObject.m
index 75fb009..1e9d238 100644
--- a/Source/NSObject.m
+++ b/Source/NSObject.m
@@ -1147,6 +1147,10 @@ static id gs_weak_load(id obj)
        */
       zombieClass = objc_lookUpClass("NSZombie");
 
+#if GS_USE_LIBDISPATCH
+      GSPrivateDispatchInitialize();
+#endif
+
       /* Now that we have a workign autorelease system and working string
        * classes we are able to set up notifications.
        */
diff --git a/Source/externs.m b/Source/externs.m
index a0e4b90..24e40cf 100644
--- a/Source/externs.m
+++ b/Source/externs.m
@@ -30,6 +30,10 @@
 
 #import "GSPrivate.h"
 
+#if GS_USE_LIBDISPATCH
+#import <dlfcn.h>
+#endif
+
 /*
  PENDING some string constants are scattered about in the class impl
          files and should be moved here
@@ -299,6 +303,29 @@ GSPrivateBuildStrings()
     }
 }
 
+#if GS_USE_LIBDISPATCH
+void
+GSPrivateDispatchInitialize(void)
+{
+  void** _dispatch_begin_NSAutoReleasePool = dlsym(RTLD_DEFAULT, "_dispatch_begin_NSAutoReleasePool");
+  if (NULL != _dispatch_begin_NSAutoReleasePool)
+	{
+      void** _dispatch_end_NSAutoReleasePool = dlsym(RTLD_DEFAULT, "_dispatch_end_NSAutoReleasePool");
+      if (NULL != _dispatch_end_NSAutoReleasePool)
+	    {
+          *_dispatch_begin_NSAutoReleasePool = (void*)GSPrivateAutoreleasePoolAllocate;
+          *_dispatch_end_NSAutoReleasePool = (void*)GSPrivateAutoreleasePoolDeallocate;
+        }
+    }
+#if GS_WITH_GC || __OBJC_GC__
+  void** dispatch_begin_thread_4GC = dlsym(RTLD_DEFAULT, "dispatch_begin_thread_4GC");
+  if (NULL != dispatch_begin_thread_4GC)
+	{
+      *dispatch_begin_thread_4GC = (void*)GSRegisterThreadWithGC;
+    }
+#endif
+}
+#endif
 
 
 /* For bug in gcc 3.1. See NSByteOrder.h */