[Pkg-haskell-maintainers] Bug#761560: haskell-yesod-bin: FTBFS: Not in scope: `reader'

[David Suárez]

Source: haskell-yesod-bin
Version: 1.2.12.2-1
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):
> [ 5 of 10] Compiling Paths_yesod_bin  ( dist/build/autogen/Paths_yesod_bin.hs, dist/build/yesod/yesod-tmp/Paths_yesod_bin.o )
> [ 6 of 10] Compiling Keter            ( Keter.hs, dist/build/yesod/yesod-tmp/Keter.o )
> [ 7 of 10] Compiling Options          ( Options.hs, dist/build/yesod/yesod-tmp/Options.o )
> [ 8 of 10] Compiling Devel            ( Devel.hs, dist/build/yesod/yesod-tmp/Devel.o )
> [ 9 of 10] Compiling AddHandler       ( AddHandler.hs, dist/build/yesod/yesod-tmp/AddHandler.o )
> [10 of 10] Compiling Main             ( main.hs, dist/build/yesod/yesod-tmp/Main.o )
> 
> main.hs:187:35:
>     Not in scope: `reader'
>     Perhaps you meant one of these:
>       `header' (imported from Options.Applicative),
>       `read' (imported from Prelude), `readIO' (imported from Prelude)
> make: *** [build-arch] Error 1

The full build log is available from:
   http://aws-logs.debian.net/ftbfs-logs/2014/09/13/haskell-yesod-bin_1.2.12.2-1_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.