[arch-haskell] Adding another data file for dependency "hints"
remyoudompheng at gmail.com
Sat Oct 12 07:37:53 UTC 2013
On 2011/1/3 Magnus Therning <magnus at therning.org> wrote:
> On Sun, Jan 2, 2011 at 12:20, Peter Simons <simons at cryp.to> wrote:
>> Hi Magnus,
>> >> the gist of this issue is that "parsec >= 3.0 || == 2.1.*" is translated to
>> >> "parsec>=3.0", which is just plain wrong. Now, wouldn't it be easiest to
>> >> modify cabal2arch so that it translates that specification to "parsec>=2.1"?
>> >> A straight-forward algorithm to accomplish that would be to use the *lowest*
>> >> version bound in these kinds of alternatives. Right now, cabal2arch appears
>> >> to be using the *first* version bound, which is not exactly optimal.
>> > Well, there's an obvious problem with what you suggest, since
>> > "parsec>=2.1" is plain wrong too!
>> why is that?
> Now you make me think that I might have missed something, but surely
> parsec version 2.2 wouldn't satisfy the former, but would satisfy the
I think we have reasons to translate that to 'parsec>=2.1' or
'parsec<2.2' (I would personally use even parsec=18.104.22.168)
* we won't upgrade to parsec 2.2 unless that is included in some
* we can expect Parsec 2.2 to be mostly API-compatible with 2.1 if it
comes to existence (but the author of the package didn't want to make
* if HP includes Parsec 3, PKGBUILDs will nevertheless be regenerated
to include this new information.
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