Try cabal install --allow-newer=base -j3 cabal-install
Once GHC 7.10 is out we might make another Cabal 1.20 release to bump the upper bound on the base dependency if 1.20 is indeed compatible with the latest base. On Thu, Jan 1, 2015 at 12:08 PM, George Colpitts <george.colpi...@gmail.com> wrote: > > > $ > cabal update > Downloading the latest package list from hackage.haskell.org > Note: *there is a new version of cabal-install available.* > To upgrade, run: cabal install cabal-install > bash-3.2$ *cabal install -j3 cabal-install * > *...* > > > *Resolving dependencies...cabal: Could not resolve dependencies:* > trying: cabal-install-1.20.0.6 (user goal) > trying: base-4.8.0.0/installed-779... (dependency of > cabal-install-1.20.0.6) > next goal: process (dependency of cabal-install-1.20.0.6) > rejecting: process-1.2.1.0/installed-2db... (conflict: unix==2.7.1.0, > process > => unix==2.7.1.0/installed-4ae...) > trying: process-1.2.1.0 > next goal: directory (dependency of cabal-install-1.20.0.6) > rejecting: directory-1.2.1.1/installed-b08... (conflict: directory => > time==1.5.0.1/installed-c23..., cabal-install => time>=1.1 && <1.5) > rejecting: directory-1.2.1.0 (conflict: base==4.8.0.0/installed-779..., > directory => base>=4.5 && <4.8) > rejecting: directory-1.2.0.1, 1.2.0.0 (conflict: > base==4.8.0.0/installed-779..., directory => base>=4.2 && <4.7) > rejecting: directory-1.1.0.2 (conflict: base==4.8.0.0/installed-779..., > directory => base>=4.2 && <4.6) > rejecting: directory-1.1.0.1 (conflict: base==4.8.0.0/installed-779..., > directory => base>=4.2 && <4.5) > rejecting: directory-1.1.0.0 (conflict: base==4.8.0.0/installed-779..., > directory => base>=4.2 && <4.4) > rejecting: directory-1.0.1.2, 1.0.1.1, 1.0.1.0, 1.0.0.3, 1.0.0.0 (conflict: > process => directory>=1.1 && <1.3) > Dependency tree exhaustively searched. > > _______________________________________________ > ghc-devs mailing list > ghc-d...@haskell.org > http://www.haskell.org/mailman/listinfo/ghc-devs > >
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