Resolving dependencies...
Downloading powermate-0.1...
Configuring powermate-0.1...
Building powermate-0.1...
Preprocessing library powermate-0.1...
[1 of 2] Compiling PowerMate        ( dist/build/PowerMate.hs, dist/build/PowerMate.o )

src/PowerMate.hsc:34:1:
    Unacceptable argument type in foreign declaration: Fd
    When checking declaration:
      foreign import ccall safe "static sys/ioctl.h ioctl" ioctlChar
        :: Fd -> CInt -> Ptr CChar -> IO CInt
Failed to install powermate-0.1
cabal: Error: some packages failed to install:
mpdmate-0.1 depends on powermate-0.1 which failed to install.
powermate-0.1 failed during the building phase. The exception was:
ExitFailure 1