Resolving dependencies...
Downloading AFSM-0.1.3.1...
Configuring AFSM-0.1.3.1...
Building AFSM-0.1.3.1...
Preprocessing library AFSM-0.1.3.1...

src/Control/AFSM/SMFunctor.hs:18:8:
    Could not find module ‘Data.Functor.Compose’
    It is a member of the hidden package ‘transformers-0.4.2.0@trans_GZTjP9K5WFq01xC9BAGQpF’.
    Perhaps you need to add ‘transformers’ to the build-depends in your .cabal file.
    Use -v to see a list of the files searched for.
Failed to install AFSM-0.1.3.1
cabal: Error: some packages failed to install:
AFSM-0.1.3.1 failed during the building phase. The exception was:
ExitFailure 1