Bug#867472: haskell-diagrams-cairo FTBFS: Variable not in scope

[Adrian Bunk]

Source: haskell-diagrams-cairo
Version: 1.3.1.1-3
Severity: serious
Tags: buster sid

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

...
[5 of 6] Compiling Diagrams.Backend.Cairo.CmdLine ( src/Diagrams/Backend/Cairo/CmdLine.hs, dist-ghc/build/Diagrams/Backend/Cairo/CmdLine.o )

src/Diagrams/Backend/Cairo/CmdLine.hs:313:23: error:
    * Variable not in scope:
        (<>) :: Mod f1 a1 -> Mod f0 a0 -> Mod FlagFields Bool
    * Perhaps you meant one of these:
        data constructor `:>' (imported from Diagrams.Prelude),
        `>>' (imported from Prelude),
        `<$>' (imported from Diagrams.Prelude)
      Perhaps you want to remove `<>' from the explicit hiding list
      in the import of `Diagrams.Prelude'
      (src/Diagrams/Backend/Cairo/CmdLine.hs:(96,1)-(97,78)).

src/Diagrams/Backend/Cairo/CmdLine.hs:316:23: error:
    * Variable not in scope:
        (<>) :: Mod f3 a3 -> Mod f2 a2 -> Mod FlagFields Bool
    * Perhaps you meant one of these:
        data constructor `:>' (imported from Diagrams.Prelude),
        `>>' (imported from Prelude),
        `<$>' (imported from Diagrams.Prelude)
      Perhaps you want to remove `<>' from the explicit hiding list
      in the import of `Diagrams.Prelude'
      (src/Diagrams/Backend/Cairo/CmdLine.hs:(96,1)-(97,78)).

src/Diagrams/Backend/Cairo/CmdLine.hs:319:23: error:
    * Variable not in scope:
        (<>) :: Mod f5 a5 -> Mod f4 a4 -> Mod OptionFields Int
    * Perhaps you meant one of these:
        data constructor `:>' (imported from Diagrams.Prelude),
        `>>' (imported from Prelude),
        `<$>' (imported from Diagrams.Prelude)
      Perhaps you want to remove `<>' from the explicit hiding list
      in the import of `Diagrams.Prelude'
      (src/Diagrams/Backend/Cairo/CmdLine.hs:(96,1)-(97,78)).
/usr/share/cdbs/1/class/hlibrary.mk:147: recipe for target 'build-ghc-stamp' failed
make: *** [build-ghc-stamp] Error 1