[Agda] Re: Dependencies for compiling agda, principal question

[Ulf Norell]

On Wed, Apr 21, 2010 at 8:41 PM, Stefan Monnier <monnier at iro.umontreal.ca>wrote:

> > Sure, it may make the development version more difficult to build and
> > use for non-developers, but then I think that non-developers probably
> > shouldn't try to use the development version to begin with.
>
> That would tend to put off developers.
> I would also be interested to hear a concrete response to the OP's
> question: which features justify that Agda only works with the very
> latest version of every other library it links to (or at least, so it
> seems).  As a naive outsider, I'd expect that a tool like Agda would
> compile just fine with 2-year old tools (tho maybe less efficiently).
>

The concrete answer is what Darin said:

On Tue, Apr 20, 2010 at 12:30 PM, Darin Morrison <darinmorrison at gmail.com>
 wrote:

>
> The Cabal support for Agda that I have been working on essentially requires
> the latest version.


In general we try to keep Agda compatible with the two most recent ghc
releases, but in this
case the changes between ghc-6.10 and ghc-6.12 (or the corresponding Cabal
releases) were
too big to make the effort worthwhile.

/ Ulf
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