HP 2013.2 and GHC 7.6.2

[Johan Tibell]

These are the bugs in *Cabal* that got fixed between 1.16.0 and
1.16.0.3 that are relevant:

* Fix bug that makes setting "verbose: 1" or "jobs: N" in the
~/.cabal/config file crash (#980)
* Fix the logic for building profiled executables with TemplateHaskell.
* Fix logic for building dynamic executables with TemplateHaskell

Nothing major. We could probably live without these fixes.

We do need a new *cabal-install* however, as it fixes:

    Disable setting the jobs: $nprocs line in default ~/.cabal config

    It breaks for fresh installs with users who have Cabal-1.6.0
    rather than Cabal-1.6.0.1, ie users of ghc-7.6.1.


On Wed, Apr 17, 2013 at 10:15 AM, Mark Lentczner
<mark.lentczner at gmail.com> wrote:
> If the bug is in cabal-install 0.3, that is easy - as HP picks and builds
> that.
> If the bug in cabal, that requires a bump in what GHC central builds and
> packages.
>
> Which is it?
>
> - Mark
>
>
> On Wed, Apr 17, 2013 at 8:46 AM, Ian Lynagh <ian at well-typed.com> wrote:
>>
>> On Wed, Apr 17, 2013 at 05:37:37PM +0200, Gabor Greif wrote:
>> > On 4/17/13, Iavor Diatchki <iavor.diatchki at gmail.com> wrote:
>> > > Hello,
>> > >
>> > > cabal-install 1.16.0 and 1.16.0.1 have some serious bugs that one
>> > > encounters rather quickly.  For example, at work I wasted some time
>> > > until I
>> > > figured out that cabal was generating a 'Paths_'  module that does not
>> > > compile.   Because of this, you can't even use it to install a newer
>> > > version of itself, where the problem is fixed: you have to manually
>> > > bootstrap the new version with the script!
>> >
>> > I came up with this.
>> >
>> > http://heisenbug.blogspot.fr/2013/02/old-cabal-subhell.html
>> >
>> > Pretty much what you have experienced.
>>
>> This doesn't appear to affect the Cabal that GHC 7.6.2 ships with. I get
>>
>>     ...
>>
>>     catchIO :: IO a -> (Exception.IOException -> IO a) -> IO a
>>     catchIO = Exception.catch
>>
>>     ...
>>
>>     getBinDir = catchIO (getEnv "HTTP_bindir") (\_ -> return bindir)
>>
>> in Paths_HTTP.
>>
>>
>> Thanks
>> Ian
>>
>>
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>
>
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