#!/usr/bin/perl -0p
s/^( *locking_type = )1.*$/$1 = 2/m or die;
s/^( *fallback_to_clustered_locking = ).*$/$1 = 0/m or die;
s/^( *fallback_to_local_locking = ).*$/$1 = 0/m or die;
s/^( *)# *(locking_library.*)$/$1$2/m or die;
s/^( *)# *(library_dir.*)$/$1$2/m or die;