deprecating

[Simon Marlow]

On 23/10/2012 09:04, Roman Leshchinskiy wrote:
> Bryan O'Sullivan wrote:
>> On Mon, Oct 22, 2012 at 4:14 PM, Simon Peyton-Jones
>> <simonpj at microsoft.com>wrote:
>>
>>
>>> Do you mean “silently and forever”?
>>>
>>
>> I think that's what I mean, yes.
>>
>> As Johan notes, many of us run our continuous builds of our packages with
>> -Wall -Werror in order to keep them as clean as possible. Introducing a
>> deprecation thus forces me into some kind of response as my builds all
>> suddenly fail: I can either turn off -Werror for a package, or edit the
>> affected source files.
>
> It seems to me that hard-coding -Werror in source distributions is a
> mistake since it serves no real purpose other than breaking the package
> for everyone whenever a compiler introduces a new warning. You can compile
> with -Werror while developing, of course. But why have -Werror in the
> release?

Quite right, shipping code with -Werror turned on is definitely a bad 
idea.  I think Hackage and/or Cabal will complain if you try to do this.

Cheers,
	Simon