[Pkg-haskell-maintainers] Bug#761542: haskell-dav: FTBFS: Couldn't match expected type

[David Suárez]

Source: haskell-dav
Version: 1.0.1-1
Severity: serious
Tags: jessie sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20140913 qa-ftbfs
Justification: FTBFS on amd64

Hi,

During a rebuild of all packages in sid, your package failed to build on
amd64.

Relevant part (hopefully): 
> Network/Protocol/HTTP/DAV.hs:95:10: Warning:
>     Orphan instance: instance MonadMask m => MonadMask (EitherT e m)
> [3 of 4] Compiling Paths_DAV        ( dist-ghc/build/autogen/Paths_DAV.hs, dist-ghc/build/hdav/hdav-tmp/Paths_DAV.o )
> [4 of 4] Compiling Main             ( hdav.hs, dist-ghc/build/hdav/hdav-tmp/Main.o )
> 
> hdav.hs:177:68:
>     Couldn't match expected type `Parser Depth'
>                 with actual type `Options.Applicative.Builder.Internal.Mod
>                                     Options.Applicative.Builder.Internal.OptionFields a0
>                                   -> Parser a0'
>     In the return type of a call of `option'
>     Probable cause: `option' is applied to too few arguments
>     In the second argument of `($)', namely
>       `option (long "depth" <> metavar "DEPTH" <> help "depth")'
>     In the second argument of `(<*>)', namely
>       `(optional
>         $ option (long "depth" <> metavar "DEPTH" <> help "depth"))'
> 
> hdav.hs:177:77:
>     Couldn't match expected type `String
>                                   -> Options.Applicative.Types.ReadM a0'
>                 with actual type `Options.Applicative.Builder.Internal.Mod f0 a1'
>     In the return type of a call of `long'
>     Probable cause: `long' is applied to too many arguments
>     In the first argument of `(<>)', namely `long "depth"'
>     In the first argument of `option', namely
>       `(long "depth" <> metavar "DEPTH" <> help "depth")'
> 
> hdav.hs:177:93:
>     Couldn't match expected type `String
>                                   -> Options.Applicative.Types.ReadM a0'
>                 with actual type `Options.Applicative.Builder.Internal.Mod f1 a2'
>     In the return type of a call of `metavar'
>     Probable cause: `metavar' is applied to too many arguments
>     In the first argument of `(<>)', namely `metavar "DEPTH"'
>     In the second argument of `(<>)', namely
>       `metavar "DEPTH" <> help "depth"'
> 
> hdav.hs:177:112:
>     Couldn't match expected type `String
>                                   -> Options.Applicative.Types.ReadM a0'
>                 with actual type `Options.Applicative.Builder.Internal.Mod f2 a3'
>     In the return type of a call of `help'
>     Probable cause: `help' is applied to too many arguments
>     In the second argument of `(<>)', namely `help "depth"'
>     In the second argument of `(<>)', namely
>       `metavar "DEPTH" <> help "depth"'
> make: *** [build-ghc-stamp] Error 1

The full build log is available from:
   http://aws-logs.debian.net/ftbfs-logs/2014/09/13/haskell-dav_1.0.1-1_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.