How to make the tests/ directory?

Peng Yu <[email protected]> Sat, 5 Jan 2019 19:50:18 -0600
Newsgroups gmane.comp.lex.flex.general
Message-ID <CABrM6wnYn7uo3HhoNn1-OsVpOSW=7i9GXKUeRexCdCBdMtFVJQ@mail.gmail.com>
Hi,

I don't see how to compile the code in the tests/ directory. When I
run make in it, nothing happens.

Could anybody let me know how to do it? Thanks.

-- 
Regards,
Peng