File postgresql-pg_upgrade.patch of Package postgresql91.openSUSE_12.1_Update
--- contrib/pg_upgrade/exec.c
+++ contrib/pg_upgrade/exec.c
@@ -210,7 +210,6 @@ check_bin_dir(ClusterInfo *cluster)
if (cluster == &new_cluster)
{
/* these are only needed in the new cluster */
- validate_exec(cluster->bindir, "pg_config");
validate_exec(cluster->bindir, "psql");
validate_exec(cluster->bindir, "pg_dumpall");
}