Hi Joachim and Thomas, this bug [1] seems to be really similar to that one https://ghc.haskell.org/trac/ghc/ticket/3668
maybe somewhere debian is overriding the GHC flags and pie is added? Bests, Gianfranco -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org