--- plugin/auth_socket/auth_socket.c.orig	Thu Feb 14 21:47:22 2013
+++ plugin/auth_socket/auth_socket.c	Thu Feb 14 21:48:24 2013
@@ -26,6 +26,8 @@
 */
 #define _GNU_SOURCE 1 /* for struct ucred */
 
+#include "my_global.h"
+
 #include <mysql/plugin_auth.h>
 #include <sys/socket.h>
 #include <pwd.h>
@@ -44,7 +46,11 @@ static int socket_auth(MYSQL_PLUGIN_VIO *vio, MYSQL_SE
 {
   unsigned char *pkt;
   MYSQL_PLUGIN_VIO_INFO vio_info;
+#ifdef HAVE_PEERCRED_SOCKPEERCRED
+  struct sockpeercred cred;
+#else
   struct ucred cred;
+#endif
   socklen_t cred_len= sizeof(cred);
   struct passwd pwd_buf, *pwd;
   char buf[1024];