--- graphviz-2.26.3/lib/gvc/gvcext.h.ark	2010-10-19 11:34:24.608457234 +0200
+++ graphviz-2.26.3/lib/gvc/gvcext.h	2010-10-19 11:41:57.585123902 +0200
@@ -80,6 +80,7 @@ __declspec(dllexport) lt_symlist_t lt_pr
 #if defined(GVDLL)
 	__declspec(dllexport) lt_symlist_t lt_preloaded_symbols[];
 #else
+#undef lt_preloaded_symbols
 	extern lt_symlist_t lt_preloaded_symbols[];
 #endif
 #endif