Go to "Tools -> Build System -> New Build System" This will open up a new file. Write the following in the file

{
    "cmd": ["perl", "-w", "$file"],
    "file_regex": ".* at (.*) line ([0-9]*)",
    "selector": "source.perl"
}
[download]

Save the file as "perl.sublime-build" in "~/.config/sublime-text-3/Packages/User" folder