#2953: deriving Functor, Foldable, Traversable
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Reporter: twanvl | Owner: twanvl
Type: feature request | Status: new
Priority: normal | Milestone: 6.12 branch
Component: Compiler | Version: 6.11
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Comment (by duncan):
Replying to [comment:11 igloo]:
> I don't know if cabal-install does this yet, but part of the plan was
that if you told it to install a package `foo`, and `foo` needed an
extension that your compiler doesn't support, then cabal-install would
fail immediately, rather than downloading and building all of `foo`'s
dependencies first.
Currently it only fails at configure time, but certainly it is the plan to
check these kinds of dependencies up front (along with build tools, C
libs, etc).
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2953#comment:12>
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