Good news, everyone! ...you may be interested to know this has finally come to fruition (just in time for HIW):
http://blog.ezyang.com/2015/08/help-us-beta-test-no-reinstall-cabal/ Cheers, hvr On 2015-03-23 at 09:45:48 +0100, Simon Peyton Jones wrote: > Dear Cabal developers > > You'll probably have seen the thread about the Haskell Platform. > > Among other things, this point arose: > > | Another thing we should fix is the (now false) impression that HP gets in > | the way of installing other packages and versions due to cabal hell. > > People mean different things by "cabal hell", but the inability to > simultaneously install multiple versions of the same package, > compiled against different dependencies > is certainly one of them, and I think it is the one that Yitzchak is > referring to here. > > But some time now GHC has allowed multiple versions of the same > package (compiled against different dependencies) to be installed > simultaneously. So all we need to do is to fix Cabal to allow it too, > and thereby kill of a huge class of cabal-hell problems at one blow. > > But time has passed and it hasn't happened. Is this because I'm > misunderstanding? Or because it is harder than I think? Or because there > are much bigger problems? Or because there is insufficient effort available? > Or what? > > Unless I'm way off beam, this "multiple installations of the same package" > thing has been a huge pain forever, and the solution is within our grasp. > What's stopping us grasping it? _______________________________________________ cabal-devel mailing list cabal-devel@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/cabal-devel