Use ghc return value instead of looking for the stderr, do not throw error when an haskell module throws a build failure, e.g. because of false positives like this one (debian/arm*) "You are using a new version of LLVM that hasn't been tested yet! We will try though..."

     1

install(FILES

     2

    map.png

     3

    map.cfg

     4

    preview.png

     5

    DESTINATION ${SHAREPATH}Data/Maps/Ropes)