1335 # Getopt::Long Configuration.
1336 sub Configure (@) {
...
1423         elsif ( $try =~ /^prefix=(.+)$/ && $action ) {
1424             $genprefix = $1;
1425             # Turn into regexp. Needs to be parenthesized!
1426             $genprefix = "(" . quotemeta($genprefix) . ")";
...