Source: haskell-lens-aeson Version: 1.0.1-1 Severity: serious https://buildd.debian.org/status/package.php?p=haskell-lens-aeson
... [1 of 1] Compiling Data.Aeson.Lens ( src/Data/Aeson/Lens.hs, dist-ghc/build/Data/Aeson/Lens.o ) /usr/lib/haskell-packages/ghc/lib/x86_64-linux-ghc-8.0.2/aeson-1.0.2.1-CgbEAGwJWkq5wCUqDjmFHU/Data/Aeson.hi Declaration for encode Unfolding of encode: 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. /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 $fToJSONValue Class ops for dfun $fToJSONValue: Can't find interface-file declaration for variable value Probable cause: bug in .hi-boot file, or inconsistent .hi file Use -ddump-if-trace to get an idea of which file caused the error /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 ToJSON Class op toEncoding a -> Encoding ty: Can't find interface-file declaration for type constructor or class Encoding Probable cause: bug in .hi-boot file, or inconsistent .hi file Use -ddump-if-trace to get an idea of which file caused the error 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