/usr/local/CPAN/Mail-Digest-Tools/Makefile.PL

use ExtUtils::MakeMaker;
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
WriteMakefile(
    'NAME'          => 'Mail::Digest::Tools',
    'VERSION_FROM'  => 'Tools.pm', # finds $VERSION
);