<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Fri, Aug 14, 2015 at 2:53 PM, Dimitri DeFigueiredo <span dir="ltr"><<a href="mailto:defigueiredo@ucdavis.edu" target="_blank">defigueiredo@ucdavis.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":21n" class="a3s" style="overflow:hidden">executable a<br>
  main-is:          MainA.hs<br>
  hs-source-dirs:   ./src<br></div></blockquote></div><br>Looks to me like you have told it that MinhaCommon is an executable with no library component. Installing it therefore created and installed a program named "a", without registering a library.<br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>brandon s allbery kf8nh                               sine nomine associates</div><div><a href="mailto:allbery.b@gmail.com" target="_blank">allbery.b@gmail.com</a>                                  <a href="mailto:ballbery@sinenomine.net" target="_blank">ballbery@sinenomine.net</a></div><div>unix, openafs, kerberos, infrastructure, xmonad        <a href="http://sinenomine.net" target="_blank">http://sinenomine.net</a></div></div></div>
</div></div>