[web-devel] GHCi runtime linker: fatal error: I found a duplicate definition for symbol (Yesod)

[Kazu Yamamoto ( 山本和彦 )]

Hello,

> I've basically given up.  Evertime there is an update to yesod, I run these commands to fix everything:
> 
> rm -r ~/.ghc; cd <my project>; cabal install happy alex; cabal install
> 
> then I go get coffee, when I come back, everything works.

The "cab" command would ease your package life.

	http://www.mew.org/~kazu/proj/cab/en/

--Kazu