}
$output_rules .= ("\t\@echo '## All variables above are generated by configure. Do Not Edit ##' >> \$\@-t\n"
- . "\t-\@sed '1,/^## All variables above are.*##/ d' site.bak >> \$\@-t\n"
+ . "\t-\@sed '1,/^## All variables above are.*##/ d' site.exp >> \$\@-t\n"
. "\t-\@mv site.exp site.bak\n"
. "\t\@mv \$\@-t site.exp\n");
}