alias_fields = [
 --  ("other-modules","hidden-modules"),
   ("exported-modules","exposed-modules"),
   ("hs-source-dir","hs-source-dirs")
   ]
alias_fields = [
 --  ("other-modules","hidden-modules"),
   ("exported-modules","exposed-modules"),
   ("hs-source-dir","hs-source-dirs")
   ]
alias_fields = [
 --  ("other-modules","hidden-modules"),
   ("exported-modules","exposed-modules"),
   ("hs-source-dir","hs-source-dirs")
   ]