cabal repl failing silently on missing exposed-modules

[cheater00 .]

In the last email I meant that I don't see a reason to build a library
without exposed-modules, sorry!

On Wed, Aug 6, 2014 at 11:29 PM, cheater00 . <cheater00 at gmail.com> wrote:
> The simplest thing to fix your case might be to emit an error when a
> library is built with no exposed-modules (why would you build it
> otherwise?)
>
> On Wed, Aug 6, 2014 at 7:53 PM, Alois Cochard <alois.cochard at gmail.com> wrote:
>> Hi,
>>
>> I'm not sure if that relate to this problem so please ignore me if not.
>>
>> I had to spend quite a lot of time understanding what the issue had, when as
>> you I had forget to add an entry for `exposed-modules` and trying to
>> build...
>> Basically I had an error saying that a symbol was missing or something like
>> that (can remember the exact message), but every time I have that issue it
>> take me a while to realise I have forget the entry...
>>
>> I think it's not a type error, it's kind of a linking error maybe that's why
>> the repl fail silently.
>>
>> Anyway, I was wondering if it would be possible to give a more helpful error
>> message in such case.
>>
>> Cheers
>>
>>
>>
>>
>> On 6 August 2014 15:18, cheater00 . <cheater00 at gmail.com> wrote:
>>>
>>> Hi,
>>> I have just spent some time trying to figure out why all of a sudden
>>> "cabal repl" silently exits without an error message. What helped was
>>> to take a project that could launch the repl and compare the cabal
>>> files to my new project. It turns out the exposed-modules entry was
>>> missing. I was wondering whether this behaviour was intentional, as I
>>> don't recollect this happening before, but I don't have older systems
>>> to test this on.
>>>
>>> The reason I wanted to run a repl without editing exposed modules was
>>> to test some dependencies I pulled in to the sandbox with cabal
>>> install. The package in question didn't have any code of its own yet.
>>> In this case I would just expect ghci to load with the Prelude.
>>>
>>> Thanks!
>>> _______________________________________________
>>> Glasgow-haskell-users mailing list
>>> Glasgow-haskell-users at haskell.org
>>> http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
>>
>>
>>
>>
>> --
>> Λ\ois
>> http://twitter.com/aloiscochard
>> http://github.com/aloiscochard