--- sysutils/metalog/files/patch-src__metalog.c	(revision 522499)
+++ sysutils/metalog/files/patch-src__metalog.c	(working copy)
@@ -4,7 +4,7 @@ 
  #ifdef WITH_DMALLOC
  # include <dmalloc.h>
  #endif
-+#if defined(__FreeBSD__) || defined(__DragonFly__)
++#if (defined(__FreeBSD__) || defined(__DragonFly__)) && !defined(fflush_unlocked)
 +#define fflush_unlocked fflush
 +#endif