If I install ghc-mod with
cabal install ghc-mod
I get:
$ ghc-mod --version
ghc-mod version 5.5.0.0 compiled by GHC 7.6.3
However, atom complains
Haskell-ghc-mod: ghc-mod failed to launch it is probably missing or misconfigured
Error: spawnSync ghc-mod ENOENT
However, as I am on ubuntu, sudo apt-get ghc-mod fixes the problem but atom this time complains that
Error: Command failed: ghc-mod version "version" not supported ghc-mod version 3.1.4
It seems therefore the case that apt-get installs the wrong version of ghc-mod the right way while cabal installs the right version of ghc-mod the wrong way.
tried sudo cabal install ghc-mod --global with no success
Error: Command failed: ghc-mod version "version" not supported ghc-mod version 3.1.4
