HP 2015.2.0.0 and GHC 7.10

Mark Lentczner mark.lentczner at gmail.com
Wed Mar 25 06:31:58 UTC 2015

*Hey you....* yes you... Platform committee member, or Platform library
maintainer, Platform packager... that's right, you:

GHC 7.10 is about to be released. Wouldn't it rock if we came out with a
Platform within days? Or on the same day?

I know, I know, our process is long and full of discussion, and hard, and
slow.... let's smash that, eh? How'z'bout it?

OKAY? Good! Your task is:

   - look over the the source file at GitHub
   defines the release
   - see if the version of your stuff looks right
   - yeah, I bumped it all to latest, major or minor version change - so
   APIs probably broke from last HP
   - look near the end where there is a bunch of stuff I kinda just added
   to get it all to compile
   - read the notes about those things in the first message of this thread
   (copied below)
   - weigh in - short and sweet - if you have an opinion
   - if you have a spare Mac - download it and try it!

Crazy, right? I know... but, can we do this?

— Mark

On Sun, Mar 22, 2015 at 10:13 PM, Mark Lentczner <mark.lentczner at gmail.com>

> I've gone ahead and built a very provisional, alpha version of 2015.2.0.0
> using GHC 7.10 RC3.
> I bumped all the GHC libs to the versions in 7.10, and bumped all the
> Platform libs to the latest versions I could find on Hackage. There were a
> few issues:
>    - *old-locale and old-time* - no longer part of GHC, but
>    cabal-install, cgi & HTTP need them - and they are part of the platform -
>    so included now as added packages. Not sure this is a great idea, since
>    they are now very deprecated... but until cabal-install, cgi, & HTTP
>    update, not sure what else to do.
>    - *tf-random* - is now required by alex and QuickCheck - seems a shame
>    to add this, as now we're going to have two random packages
>    - *network-uri *- was split out of network, and needed by
>    cabal-install, cgi, & HTTP. I suppose we should include it, as it was
>    functionality and API that was part of the platform
>    - *exceptions* & *multipart* - needed by cgi - is exceptions now
>    subsumed by something in transformers? and... multipart? maybe time to drop
>    cgi? We didn't have it last time anyway as it wouldn't compile!
>    - *scientific* - needed by attoparsec - debated in detail last time
>    ... and we're still here!
> The Platform is significantly larger now: On OS X it has gone from 316M to
> 499M! Most of this is due to new OpenGL libs which are now huge (went from
> 98M to 239M!) GHC itself grew by 109M (to almost 1G), so that the whole
> installed magilla is 1.5G! Even the compressed installer is now 250M!
> If you want to poke at it, the source is in the pre-release branch at
> GitHub <https://github.com/haskell/haskell-platform/tree/pre-release>,
> and the OS X builds are at my usual platform staging area:
> Index of /mark/platform <http://www.ozonehouse.com/mark/platform/>
> Remember, it already includes GHC, so no need to download the GHC binary
> for OS X that is there, too.
> I'll try to get a generic linux build up soonish... but my VM now runs out
> of memory trying to build OpenGL - and adding more only makes my machine
> thrash to death!
> - Mark
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