let variablePrefix = directory ++ '_':distdir
let xs = [variablePrefix ++ "_VERSION = " ++ display (pkgVersion (package pd)),
variablePrefix ++ "_MODULES = " ++ unwords (map display modules),
+ variablePrefix ++ "_HIDDEN_MODULES = " ++ unwords (map display (otherModules bi)),
variablePrefix ++ "_SYNOPSIS =" ++ synopsis pd,
variablePrefix ++ "_HS_SRC_DIRS = " ++ unwords (hsSourceDirs bi),
variablePrefix ++ "_DEPS = " ++ unwords (map display dep_ids),