openpgp-keys-ghc : OpenPGP keys used to sign GHC releases ( https://www.haskell.org/ghc )
openpgp-keys-ghcup : OpenPGP keys used to sign GHCup releases ( https://www.haskell.org/ghcup/install/#manual-installation )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a haskell
For Paludis use this rsync : rsync://gentoo.zugaina.org/haskell-portage
If you have a problem : ycarus(-at-)zugaina.org