[Haskell-cafe] "Could not list sources" warning in sandboxed project with add-source deps

Eric devnull1999 at yahoo.com
Sat Aug 15 00:36:58 UTC 2015

Thanks for the quick reply, Mikhail, but no: the output of "cabal sandbox list-sources" looks fine. 
Any other ideas, anyone?
     On Friday, August 14, 2015 2:41 PM, Mikhail Glushenkov wrote: Hi,

On 14 August 2015 at 21:00, Eric <devnull1999 at yahoo.com> wrote:
> I'm getting a warning
>> Warning: Could not list sources of the add-source dependency 'xyz'.
>> Skipping the timestamp check.
> when building a sandboxed project with add-source dependencies.  I tried
> increasing the verbosity of cabal, but it still won't tell me what's going
> wrong so I can fix it.
> Any suggestions on how to debug or fix this?
Check the output of `cabal sandbox list-sources`. A likely cause is
that one of add-source dependencies refers to a non-existent

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