--- graphviz-2.26.3/lib/gvc/gvcext.h	2010-11-15 23:12:38.669004693 +0100
+++ graphviz-2.26.3/lib/gvc/gvcext.h	2010-11-15 23:30:02.887004693 +0100
@@ -58,6 +58,7 @@
     typedef struct GVJ_s GVJ_t;
     typedef struct GVC_s GVC_t;
 
+
     typedef struct {
 	const char *name;
 	void* address;
@@ -80,9 +81,11 @@
 #if defined(GVDLL)
 	__declspec(dllexport) lt_symlist_t lt_preloaded_symbols[];
 #else
+#if !defined(LTDL_H)
 	extern lt_symlist_t lt_preloaded_symbols[];
 #endif
 #endif
+#endif
 
 
 #ifdef __cplusplus