I just did "pacman -Syu", and among other things, it included an ncurses
update:
core/ncurses 5.9-7 -> 6.0-3
Now things like ghci, ghc-pkg, etc fail with "error while loading shared
libraries: libncursesw.so.5: cannot open shared object file: No such file
or directory"
There's a libncursesw.so.6 instead, now. I suspect the ArchHaskell-provided
GHC needs rebuilding against the newer ncurses?
