--- /dev/null
+diff -u a/ext/mysqlnd/mysqlnd.c b/ext/mysqlnd/mysqlnd.c
+--- a/ext/mysqlnd/mysqlnd.c 2010-10-22 17:46:26.000000000 +0200
++++ b/ext/mysqlnd/mysqlnd.c 2010-12-08 21:54:47.000000000 +0100
+@@ -619,7 +619,8 @@
+ if (host_len == sizeof("localhost") - 1 && !strncasecmp(host, "localhost", host_len)) {
+ DBG_INF_FMT("socket=%s", socket_or_pipe? socket_or_pipe:"n/a");
+ if (!socket_or_pipe) {
+- socket_or_pipe = "/tmp/mysql.sock";
++ // gentoo mysql default socket location
++ socket_or_pipe = "/var/run/mysqld/mysqld.sock";
+ }
+ transport_len = spprintf(&transport, 0, "unix://%s", socket_or_pipe);
+ unix_socket = TRUE;