HEADS UP: Need 7.10.3?

[Moritz Drexl]

Hi all,

For me, a 7.10.3 release is also urgently needed.

Showstopper is the problem regarding invocation of GCC under Windows,
with response files as an already implemented solution. See:

https://ghc.haskell.org/trac/ghc/ticket/10726
https://ghc.haskell.org/trac/ghc/ticket/10795
https://github.com/ghc/ghc/commit/296bc70b5ff6c853f2782e9ec5aa47a52110345e

I am unable to compile a working GHC version of the patched 7.10 branch.
I exhausted all other avenues and am unable to make releases for
customers using Windows.

Thanks!

Regards
Moritz Drexl
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Re: HEADS UP: Need 7.10.3?

[Ben Gamari]

Moritz Drexl  writes:

> Hi all,
>
> For me, a 7.10.3 release is also urgently needed.
>
> Showstopper is the problem regarding invocation of GCC under Windows,
> with response files as an already implemented solution. See:
>
> https://ghc.haskell.org/trac/ghc/ticket/10726
> https://ghc.haskell.org/trac/ghc/ticket/10795
> https://github.com/ghc/ghc/commit/296bc70b5ff6c853f2782e9ec5aa47a52110345e
>
> I am unable to compile a working GHC version of the patched 7.10 branch.
> I exhausted all other avenues and am unable to make releases for
> customers using Windows.
>
Oh dear, this does indeed sound bad. Thanks for bringing this up!

We're currently working through merging tickets back to ghc-7.10 and
will hopefully have a release in several of weeks.

Cheers,

- Ben


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Re: HEADS UP: Need 7.10.3?

[Sven Panne]

Building Haddock documentation on Windows for larger packages (e.g.
OpenGLRaw) is broken in 7.10.2, similar to linking: The reason is once
again the silly Windows command line length limitation, so we need response
files here, too. Haddock 2.16.1 already has support for this, but this
seems to be broken (probably
https://github.com/haskell/haddock/commit/9affe8f6b3a9b07367c8c14162aecea8b15856a6
is missing), see the corresponding check in cabal (
https://github.com/haskell/cabal/blob/master/Cabal/Distribution/Simple/Haddock.hs#L470
).

So in a nutshell: We would need a new Haddock release (bundled with GHC
7.10.3) and a new cabal release with support for Haddock response files (in
cabal's HEAD, but not yet released). Would this be possible?
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Re: HEADS UP: Need 7.10.3?

[Ruben Moor]

Hello,

I want to support the case of a GHC 7.10.3 release. The show-stopper for
our company in 7.10.2 consists of ticket #10726

https://ghc.haskell.org/trac/ghc/ticket/10726

and ticket #10795

https://ghc.haskell.org/trac/ghc/ticket/10795

I.e. I am not able to compile my code on MS Windows and reached a point
where my workaround is exhausted (reducing overall file path length in the
project dependency).

Luckily the fix has already been implemented and merged (into the 7.10
branch and HEAD). Cf. this commit

https://github.com/ghc/ghc/commit/296bc70b5ff6c853f2782e9ec5aa47a52110345e

and this stack issue:

https://github.com/commercialhaskell/stack/issues/795#issuecomment-140618684

Thanks!

Ruben Moor
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Re: HEADS UP: Need 7.10.3?

[Andrew Farmer]

As you mentioned, the two show stoppers for HERMIT are #10528
(specifically SPJs commit in comment:15 - see [1]) and #10829 (see
D1246). The first disables inlining/rule application in the LHS of
rules, the second does the same in the RHS. nofib results for the
latter are on the ticket.

I've set both to 7.10.3 milestone and high priority... thanks for merging them!

[1] bc4b64ca5b99bff6b3d5051b57cb2bc52bd4c841

On Mon, Sep 14, 2015 at 6:53 AM, Austin Seipp  wrote:
> Hi *,
>
> (This is an email primarily aimed at users reading this list and
> developers who have any interest).
>
> As some of you may know, there's currently a 7.10.3 milestone and
> status page on our wiki:
>
> https://ghc.haskell.org/trac/ghc/wiki/Status/GHC-7.10.3
>
> The basic summary is best captured on the above page:
>
> "We have not yet decided when, or even whether, to release GHC 7.10.3.
> We will do so if (but only if!) we have documented cases of
> "show-stoppers" in 7.10.2. Namely, cases from users where
>
>   - You are unable to use 7.10.2 because of some bug
>   - There is no reasonable workaround, so you are truly stuck
>   - We know how to fix it
>   - The fix is not too disruptive; i.e. does not risk introducing a
> raft of new bugs"
>
> That is, we're currently not fully sold on the need for a release.
> However, the milestone and issue page serve as a useful guide, and
> also make it easier to keep track of smaller, point-release worthy
> issues.
>
> So in the wake of the 8.0 roadmap I just sent: If you *need* 7.10.3
> because the 7.10.x series has a major regression or problem you can't
> work around, let us know!
>
>   - Find or file a bug in Trac
>   - Make sure it's highest priority
>   - Assign it to the 7.10.3 milestone
>   - Follow up on this email if possible, or edit it on the status page
> text above - it would be nice to get some public feedback in one place
> about what everyone needs.
>
> Currently we have two bugs on the listed page in the 'show stopper
> category', possibly the same bug, which is a deal-breaker for HERMIT I
> believe. Knowing of anything else would be very useful.
>
> Thanks all!
>
> --
> Regards,
>
> Austin Seipp, Haskell Consultant
> Well-Typed LLP, http://www.well-typed.com/
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HEADS UP: Need 7.10.3?

[Austin Seipp]

Hi *,

(This is an email primarily aimed at users reading this list and
developers who have any interest).

As some of you may know, there's currently a 7.10.3 milestone and
status page on our wiki:

https://ghc.haskell.org/trac/ghc/wiki/Status/GHC-7.10.3

The basic summary is best captured on the above page:

"We have not yet decided when, or even whether, to release GHC 7.10.3.
We will do so if (but only if!) we have documented cases of
"show-stoppers" in 7.10.2. Namely, cases from users where

  - You are unable to use 7.10.2 because of some bug
  - There is no reasonable workaround, so you are truly stuck
  - We know how to fix it
  - The fix is not too disruptive; i.e. does not risk introducing a
raft of new bugs"

That is, we're currently not fully sold on the need for a release.
However, the milestone and issue page serve as a useful guide, and
also make it easier to keep track of smaller, point-release worthy
issues.

So in the wake of the 8.0 roadmap I just sent: If you *need* 7.10.3
because the 7.10.x series has a major regression or problem you can't
work around, let us know!

  - Find or file a bug in Trac
  - Make sure it's highest priority
  - Assign it to the 7.10.3 milestone
  - Follow up on this email if possible, or edit it on the status page
text above - it would be nice to get some public feedback in one place
about what everyone needs.

Currently we have two bugs on the listed page in the 'show stopper
category', possibly the same bug, which is a deal-breaker for HERMIT I
believe. Knowing of anything else would be very useful.

Thanks all!

-- 
Regards,

Austin Seipp, Haskell Consultant
Well-Typed LLP, http://www.well-typed.com/
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