OK.
But, wouldn't it be possible for xmobar to use mtl-2.0.1.0 and for
parsec to use mtl-2.1.1, while xmobar would use this parsec version?
In this case, I am assuming that mtl-2.0.1.0 and mtl-2.1.1 are
considered two different libraries.
Thanks,
José
On 06-10-2012 17:17, Yuras Shumovich wrote:
On Sat, 2012-10-06 at 17:02 +0200, José Lopes wrote:
Hello,
Hello
I'm trying to understand Cabal dependencies.
Why does the following situation happen?
xmobar-0.15 depends on mtl-2.0.* and needs parsec
All packages that will be broken, depends on parsec.
But parsec is compiled with mtl-2.1.1
To install xmobar, cabal needs to reinstall parsec with mtl-2.0.1.0
Thanks,
Yuras
# cabal install xmobar --dry-run
Resolving dependencies...
In order, the following would be installed:
parsec-3.1.3 (reinstall) changes: mtl-2.1.1 -> 2.0.1.0
xmobar-0.15 (new package)
Warning: The following packages are likely to be broken by the reinstalls:
Best regards,
José
--
José António Branquinho de Oliveira Lopes
Instituto Superior Técnico
Technical University of Lisbon
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