Huh. What OS? Could this be an issue wth your path?
Failing that Try >cabal update ; cabal install happy ; cabal alex Unless there's some reason you can't use cabal-install? On Thursday, August 22, 2013, Simon Peyton-Jones wrote: > Urk. The Haskell Platform claims to include Happy and Alex. > http://www.haskell.org/platform/contents.html**** > > ** ** > > But 2013.2.0.0 doesn’t. Is that intentional?**** > > ** ** > > That’s a big problem for people using HP to build GHC. I’m installing > 2012.4.0.0 in the hope that it does. No, nor does 2012.2**** > > ** ** > > Am I just being stupid here?**** > > ** ** > > Simon**** >
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