Max Bolingbroke wrote:
Packages that explicitly depend on base-3.x will continue to work.
Unfortunately these are few and far between, despite our warnings after the
6.8 release.
If this was reccomended practice, then I must have missed where it was
documented. In particular, the "Upgrading packages to work with recent
Cabal and GHC versions" link from haskell.org/cabal leads to
http://haskell.org/haskellwiki/Upgrading_packages, which suggests:
"""
library
if flag(splitBase)
build-depends: base >= 3, containers
else
build-depends: base < 3
"""
Unless my understanding is wrong, this will consume base-4 while
ignoring your new compatibility base-3.
Where should Haskellers be looking to find these reccomendations, if
not on the official Cabal site?
http://www.haskell.org/haskellwiki/Package_versioning_policy
clearly we should do a better job of publicising this, though. Also we
plan to have Cabal emit warnings when the policy is not being followed.
Cheers,
Simon
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