Bug#867872: haskell-werewolf FTBFS: Encountered missing dependencies: extra ==1.4.*

[Adrian Bunk]

Source: haskell-werewolf
Version: 1.5.1.1-5
Severity: serious

https://buildd.debian.org/status/package.php?p=haskell-werewolf&suite=sid

...
[1 of 1] Compiling Main             ( Setup.hs, Setup.o )
Linking debian/hlibrary.setup ...
. /usr/share/haskell-devscripts/Dh_Haskell.sh && \
configure_recipe
Running debian/hlibrary.setup configure --ghc -v2 --package-db=/var/lib/ghc/package.conf.d --prefix=/usr --libdir=/usr/lib/haskell-packages/ghc/lib --libexecdir=/usr/lib --builddir=dist-ghc --ghc-option=-optl-Wl\,-z\,relro --haddockdir=/usr/lib/ghc-doc/haddock/werewolf-1.5.1.1/ --datasubdir=werewolf --htmldir=/usr/share/doc/libghc-werewolf-doc/html/ --enable-library-profiling --enable-tests
Configuring werewolf-1.5.1.1...
hlibrary.setup: Encountered missing dependencies:
extra ==1.4.*
/usr/share/cdbs/1/class/hlibrary.mk:142: recipe for target 'configure-ghc-stamp' failed
make: *** [configure-ghc-stamp] Error 1