libffi-3.2.1nb4: registering info file /usr/pkg/info/libffi.info
gmp-6.1.2: registering info file /usr/pkg/info/gmp.info
Reading package info from "/usr/pkg/lib/transformers-0.4.2.0/ghc-7.10.3/package-description" ... done.
Reading package info from "/usr/pkg/lib/mtl-2.2.1/ghc-7.10.3/package-description" ... done.
Reading package info from "/usr/pkg/lib/exceptions-0.6.1/ghc-7.10.3/package-description" ... done.
pkg_add: package `hs-mtl-2.2.1nb1' was already installed as dependency, now marked as installed manually
Reading package info from "/usr/pkg/lib/extensible-exceptions-0.1.1.4/ghc-7.10.3/package-description" ... done.