--- libgdal/gcore/gdal_priv.h	2014-04-16 14:04:48.000000000 -0600
+++ libgdal/gcore/gdal_priv_mac.h	2014-05-22 23:11:49.000000000 -0600
@@ -113,7 +113,11 @@
     CPLString           sDescription;
     GDALMultiDomainMetadata oMDMD;
     
+    #ifdef __clang__
+    char               **BuildMetadataDomainList(char** papszList, int bCheckNonEmpty, ...);
+    #else
     char               **BuildMetadataDomainList(char** papszList, int bCheckNonEmpty, ...) CPL_NULL_TERMINATED;
+    #endif
     
   public:
                         GDALMajorObject();