Bug#868589: haskell-hopenpgp FTBFS: Failed to load interface for Data.Aeson.Encoding.Internal

[Adrian Bunk]

Source: haskell-hopenpgp
Version: 2.5.5-3
Severity: serious
Tags: buster sid

https://buildd.debian.org/status/package.php?p=haskell-hopenpgp

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[ 1 of 31] Compiling Codec.Encryption.OpenPGP.Types.Internal.CryptoniteNewtypes ( Codec/Encryption/OpenPGP/Types/Internal/CryptoniteNewtypes.hs, dist-ghc/build/Codec/Encryption/OpenPGP/Types/Internal/CryptoniteNewtypes.o )
/usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/aeson-1.0.2.1-CgbEAGwJWkq5wCUqDjmFHU/Data/Aeson/Types/ToJSON.hi
Declaration for $dmtoEncoding:
  Failed to load interface for `Data.Aeson.Encoding.Internal'
  There are files missing in the `aeson-1.0.2.1' package,
  try running 'ghc-pkg check'.
  Use -v to see a list of the files searched for.
Cannot continue after interface file error
/usr/share/cdbs/1/class/hlibrary.mk:147: recipe for target 'build-ghc-stamp' failed
make: *** [build-ghc-stamp] Error 1