tldr/pages/common/ghcup.md

ghcup

Haskell toolchain installer. Install, manage, and update Haskell toolchains. More information: https://gitlab.haskell.org/haskell/ghcup-hs.

• Start the interactive TUI:

ghcup tui

• List available GHC/Cabal versions:

ghcup list

• Install the recommended GHC version:

ghcup install ghc

• Install a specific GHC version:

ghcup install ghc {{version}}

• Activate a specific GHC version:

ghcup set ghc {{version}}

• Install cabal-install:

ghcup install cabal

• Update ghcup itself:

ghcup upgrade