# Do this at compile time

BEGIN {

#  Check if there is a warnings module available

    eval {
        require warnings;

#  If not, create dummy "import" and "unimport" subroutines

    } or do {
        no strict 'refs';
        *warnings::import = *warnings::unimport = sub{};

#  Make sure no attempt will be made to load the "warnings.pm" file ever again

        $INC{'warnings.pm'} = '';
    }
} #BEGIN