Bug#867191: haskell-snap-templates FTBFS: Encountered missing dependencies: directory >=1.0 && <1.3

[Adrian Bunk]

Source: haskell-snap-templates
Version: 1.0.0.0-3
Severity: serious
Tags: buster sid

Some recent change in unstable makes haskell-snap-templates FTBFS:

https://tests.reproducible-builds.org/debian/history/haskell-snap-templates.html
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/haskell-snap-templates.html

...
make_setup_recipe
Running ghc --make Setup.hs -o debian/hlibrary.setup
[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/snap-templates-1.0.0.0/
+--datasubdir=snap-templates
+--htmldir=/usr/share/doc/libghc-snap-templates-doc/html/
Configuring snap-templates-1.0.0.0...
hlibrary.setup: Encountered missing dependencies:
directory >=1.0 && <1.3
/usr/share/cdbs/1/class/hlibrary.mk:142: recipe for target 'configure-ghc-stamp'
+failed
make: *** [configure-ghc-stamp] Error 1