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To: "Mr. Herr" <misterherr@freenet.de>
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Date: Wed, 22 Oct 2014 19:05:21 +0400
From: Peter Zotov <whitequark@whitequark.org>
Cc: caml-list@inria.fr, caml-list-request@inria.fr
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Subject: Re: [Caml-list] OPAM ppx_tools problem?

On 2014-10-22 18:51, Mr. Herr wrote:
> I am getting these error messages in opam 1.1.1 when doing 'opam 
> update':
> 
> [WARNING] Errors while parsing ppx_tools.0.1 OPAM file, skipping.
> [WARNING] Errors while parsing ppx_tools.0.99 OPAM file, skipping.
> [WARNING] Errors while parsing ppx_tools.0.99.1 OPAM file, skipping.
> [WARNING] Errors while parsing ppx_tools.0.99.2 OPAM file, skipping.
> Updating the cache of metadata (/opt/opam/state.cache) ...
> [WARNING] External solver failed with inconsistent return value.
> Request saved to "/opt/opam/log/solver-error-2458-1.cudf"
> Falling back to the internal heuristic.
> 
> Is it a local problem, or do others see this also?

This is my fault--I accidentally put 1.2-specific syntax into 
opam-repository.
There should actually be some provisions for porting syntax back to 
1.1-compatible
form, I'm not sure why are they not working.

-- 
Peter Zotov