creswick/cabal-dev — Issue #47: Dependency check problem
Author: ronslow
Created: 2012-02-01 10:55:52+00:00
State: open

I am getting the a dependency problem installing yesod

cabal-dev install yesod

Resolving dependencies...
cabal.exe: cannot configure yaml-0.5.2. It requires conduit ==0.2.*
For the dependency on conduit ==0.2.* there are these packages: conduit-0.2.0.
However none of them are available.
conduit-0.2.0 was excluded because data-object-yaml-0.3.4.1 requires conduit
>=0.0 && <0.2

However I have manually installed yaml-0.5.2 and data-object-yaml-0.3.4.1 into the sandbox.
I guess the cabal dependency check is being used, so that the checker is unaware that the packages have already been installed in the sandbox.
Is it possible to deal with this problem?

Robert