Scripts merged for easily loading and running GHC in GHCi, for fast development iterations

[Michael Sloan]

Now that [D5015] is merged (thanks, monoidal!), -fobject-code no
longer needs to be provided manually.  This also means that you can
run [ghcid] directly in the root of the repo without any arguments.  I
have updated https://ghc.haskell.org/trac/ghc/wiki/Building/InGhci to
use the simpler invocations.

[D5015]: https://phabricator.haskell.org/D5015
[ghcid]: https://github.com/ndmitchell/ghcid

On Mon, Aug 6, 2018 at 1:03 AM, Michael Sloan <mgsloan at gmail.com> wrote:
> Thanks a bunch for updating the wiki page, Artem!  It was on my todo
> list, but it's been a rather busy week.  I've added an update
> mentioning that it will be possible to run "ghcid" directly without
> args once D5105 is merged.
>
> On Mon, Aug 6, 2018 at 12:55 AM, Artem Pelenitsyn
> <a.pelenitsyn at gmail.com> wrote:
>> I added this to the wiki. It would be nice to have a wrapper similar to
>> `run.sh` but for starting ghcid, I believe.
>>
>> --
>> Best wishes,
>> Artem
>>
>> On Sun, 29 Jul 2018 at 10:41 Matthew Pickering <matthewtpickering at gmail.com>
>> wrote:
>>>
>>> Can you please update the wiki page?
>>>
>>> https://ghc.haskell.org/trac/ghc/wiki/Building/InGhci
>>>
>>> Matt
>>>
>>> On Sun, Jul 29, 2018 at 6:18 AM, Michael Sloan <mgsloan at gmail.com> wrote:
>>> > Hello GHC developers!
>>> >
>>> > Now that D4904 and D4986 are merged, if you have recently built GHC
>>> > then you can use "./utils/ghc-in-ghci/run.sh -fobject-code" to load
>>> > GHC into GHCi (throwing on a "-j8" helps too).  For me, this makes
>>> > development far more pleasant, as often I can make a change and try it
>>> > out in only 15 or 20 seconds.  Thanks to Csongor Kiss for writing the
>>> > initial ghci script, and Matthew Pickering for posting about it to the
>>> > mailinglist, as otherwise I probably wouldn't have known about it.
>>> >
>>> > I wrote a blog post about the topic on my new blog:
>>> > http://www.mgsloan.com/posts/ghcinception/
>>> >
>>> > Once D5015 is merged, the explicit "-fobject-code" won't be needed.
>>> > Once https://ghc.haskell.org/trac/ghc/ticket/15454 is addressed, it
>>> > might not be needed at all, leading to even faster loading ;)
>>> >
>>> > Happy ghci-ing!
>>> > -Michael
>>> > _______________________________________________
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