Thanks for the help Peter. I tried using ghcWithPackagesOld and, in this case, that worked fine. Cool!
This bug is unfortunate. I was pretty happy to see terminfo bundled with GHC. This meant the hardest part of installing vty, installing terminfo, would already be done in 7.8. Darn, no such luck. Cheers, Corey -Corey O'Connor [email protected] http://corebotllc.com/ On Mon, Apr 14, 2014 at 5:25 AM, Peter Simons <[email protected]> wrote: > Hi Corey > > GHC 7.8.x installs a copy of xhtml, but it doesn't make that library > visible to users. > > This choice causes us serious trouble that we cannot easily resolve: we > can't install your own copy of xhtml, because it collides with GHC's > copy (as you have found out). Yet, we cannot access GHC's copy either, > so we *need* to install our own version. Duh! > > I've opened a ticket [1] for this issue a while ago, but GHC HQ hasn't > addressed it yet (probably because I didn't do a good job explaining why > this is issue is significant). > > Anyway, you can use 'ghcWithPackagesOld' instead of 'ghcWithPackages' to > create your environment. ghcWithPackagesOld simply ignores all > collisions and chose a "random" version of the colliding paths to > include in the derivation. This sucks from an aesthetics point of view, > but it's probably going to work fine. > > I hope this helps, > Peter > > > [1] https://ghc.haskell.org/trac/ghc/ticket/8919 > > _______________________________________________ > nix-dev mailing list > [email protected] > http://lists.science.uu.nl/mailman/listinfo/nix-dev >
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