my ghc-pkg list

➜  .xmonad  ghc-pkg list
/var/lib/ghc/package.conf.d
   Cabal-1.14.0
   X11-xft-0.3.1
   array-0.4.0.0
   base-4.5.0.0
   bin-package-db-0.0.0.0
   binary-0.5.1.0
   bytestring-0.9.2.1
   containers-0.4.2.1 <HIDDEN>
   deepseq-1.3.0.0
   directory-1.1.0.2
   extensible-exceptions-0.1.1.4
   filepath-1.3.0.0
   ghc-7.4.1 <HIDDEN>
   ghc-prim-0.2.0.0
   haskell2010-1.1.0.1 <HIDDEN>
   haskell98-2.0.0.1 <HIDDEN>
   hoopl-3.8.7.3
   hpc-0.5.1.1
   integer-gmp-0.4.0.0
   mtl-2.0.1.0
   old-locale-1.0.0.4
   old-time-1.1.0.0
   pretty-1.1.1.0
   process-1.1.0.1 <HIDDEN>
   random-1.0.1.1
   rts-1.0
   syb-0.3.6
   template-haskell-2.7.0.0
   time-1.4
   transformers-0.2.2.0
   unix-2.5.1.0
   utf8-string-0.3.7
/home/seanneilan/.ghc/x86_64-linux-7.4.1/package.conf.d
   Cabal-1.16.0.2
   HTTP-4000.2.6
   HUnit-1.2.5.1
   QuickCheck-1.2.0.1
   QuickCheck-2.5.1.1
   X11-1.5.0.1 <HIDDEN>
   X11-1.6.0.2
   X11-xft-0.3.1
   ansi-terminal-0.5.5
   ansi-wl-pprint-0.6.4
   array-0.4.0.1
   binary-0.6.2.0
   bytestring-0.10.0.1
   bytestring-trie-0.2.3
   cmdargs-0.7
   colorize-haskell-1.0.1
   containers-0.5.1.0
   core-0.5
   cpphs-1.14
   darcs-2.8.2
   dataenc-0.14.0.4
   digest-0.0.1.1
   directory-1.2.0.1
   filepath-1.3.0.1
   hashable-1.1.2.5
   hashed-storage-0.5.10
   haskeline-0.6.4.7
   haskell-lexer-1.0
   hostname-1.0
   html-1.0.1.2
   latex-0.1.0.1
   mmap-0.5.8
   network-2.3.2.0
   parallel-3.2.0.3
   parsec-3.1.3
   pcre-light-0.4
   primitive-0.5.0.1
   process-1.1.0.2
   regex-base-0.93.2
   regex-compat-0.95.1
   regex-posix-0.95.2
   tar-0.3.2.0
   terminfo-0.3.2.5
   test-framework-0.6.1
   test-framework-hunit-0.2.7
   text-0.11.2.3
   uniplate-1.6.7
   unix-2.6.0.0
   unordered-containers-0.2.2.1
   utility-ht-0.0.8
   vector-0.10.0.1
   xhtml-3000.2.1
   xml-1.3.12
   xmonad-0.10.1
   xmonad-contrib-0.10.1
   zlib-0.5.4.0