from http://aur.archlinux.org/packages.php?ID=23087 magus wrote: @kjslag It's not a bug, you simply haven't installed a package that supports profiling. You'll need to re-compile with profiling (by setting the environment variable PKGBUILD_HASKELL_ENABLE_PROFILING) and re-install. --- If you no longer wish to receive notifications about this package, please go the the above package page and click the UnNotify button.