Resolving dependencies...
Downloading shell-pipe-0.1...
[1 of 1] Compiling Main             ( /tmp/shell-pipe-0.1-26722/shell-pipe-0.1/Setup.lhs, /tmp/shell-pipe-0.1-26722/shell-pipe-0.1/dist/setup/Main.o )
Linking /tmp/shell-pipe-0.1-26722/shell-pipe-0.1/dist/setup/setup ...
Configuring shell-pipe-0.1...
Warning: No 'build-type' specified. If you do not need a custom Setup.hs or
./configure script then use 'build-type: Simple'.
Warning: Instead of 'ghc-options: -cpp -cpp -cpp -cpp' use 'extensions: CPP
CPP CPP CPP'
Building shell-pipe-0.1...
Preprocessing library shell-pipe-0.1...

Shell.hs:1:12: Warning:
    -ffi is deprecated: use -XForeignFunctionInterface or pragma {-# LANGUAGE ForeignFunctionInterface #-} instead
[1 of 1] Compiling Shell            ( Shell.hs, dist/build/Shell.o )

Shell.hs:8:19: Module `GHC.Handle' does not export `openFd'
Failed to install shell-pipe-0.1
cabal: Error: some packages failed to install:
shell-pipe-0.1 failed during the building phase. The exception was:
ExitFailure 1