--- C:\builds\redland-1.0.8_orig\librdf\rdf_log.h	Thu Jul 31 11:23:55 2008
+++ C:\builds\redland-1.0.8_good\librdf\rdf_log.h	Thu Jul 31 11:23:55 2008
@@ -32,6 +32,11 @@
 
 #include <raptor.h>
 
+#ifdef WIN32
+/* for USE_STDCALL_CALLBACKS */
+#include <win32_rdf_config.h>
+#endif
+
 /**
  * librdf_log_level:
  * @LIBRDF_LOG_NONE: No level
@@ -131,7 +136,11 @@
  *
  * Return value: non-zero to indicate log message has been handled 
  */
+#ifdef USE_STDCALL_CALLBACKS
+typedef int (_stdcall *librdf_log_level_func)(void *user_data, const char *message, va_list arguments);
+#else
 typedef int (*librdf_log_level_func)(void *user_data, const char *message, va_list arguments);
+#endif
 
 /**
  * librdf_log_func:
@@ -142,7 +151,11 @@
  *
  * Return value: non-zero to indicate log message has been handled 
  */
+#ifdef USE_STDCALL_CALLBACKS
+typedef int (_stdcall *librdf_log_func)(void *user_data, librdf_log_message *message);
+#else
 typedef int (*librdf_log_func)(void *user_data, librdf_log_message *message);
+#endif
 
 #ifdef LIBRDF_INTERNAL
 #include <rdf_log_internal.h>