[Haskell-cafe] Cabal: top level dependency base -any
jacek.generowicz at cern.ch
Tue May 24 09:39:26 CEST 2011
On 2011 May 24, at 09:28, Ivan Lazar Miljenovic wrote:
> On 24 May 2011 16:57, Jacek Generowicz <jacek.generowicz at cern.ch>
>> Could anyone shed light on the meaning of this error message?
>> cabal: cannot configure xmonad-0.9.1 It requires base ==3.*
>> For the dependency on base ==3.* there are these packages:
>> base-22.214.171.124 and
>> base-126.96.36.199. However none of them are available.
>> base-188.8.131.52 was excluded because of the top level dependency base -
>> base-184.108.40.206 was excluded because of the top level dependency base -
>> Any hints?
> Yes: use xmonad-0.9,2 instead! It supports base-4, which is probably
> what you have (with GHC-7.0.*).
Indeed, I discovered that to be the solution in the meantime, as I
noticed that on my other system xmonad-0.9.2 was being installed by
cabal install. Doing a cabal update made everything go through (with
Which makes me wonder why the two systems had different ideas of what
the most recent xmonad version was, as I installed both of them
yesterday afternoon. I seem to be discovering a rule of thumb: do a
cabal update *every time* you want to cabal install.
Anyway, thanks for the hint.
More information about the Haskell-Cafe