I've been trying to reproduce the issue, but things seem fine, sort of:

>From what I could gather:
* trusty (14.04LTS) has 1.1 and aspcud 1.8, it works fine
* utopic (14.10, latest) has 1.1 and aspcud 1.9
* vivid (15.04, unreleased) has OPAM 1.2, so it's ok. Recommends aspcud, too

Note that there should be no conflict that I know of between OPAM 1.1 and 
aspcud 1.9 -- it's just that newer OPAM will benefit from the more advanced 
criteria offered. Where we have been hitting problems on Debian was by 
compiling with a different version of *Dose* [1] (which has a much less 
standardised interface).

There is still a known issue, though, the missing dependency on m4 that will 
bite you as soon as you try to install ocamlfind [2] and which is very badly 
reported with
```
===== ERROR while installing ocamlfind.1.5.5 =====
Internal error:
  "ocamlfind": command not found.
```

so it would still be nice if they could backport (so that there is a better 
error) or recommend m4.

Cheers,
Louis


[1] https://github.com/ocaml/opam/issues/1683
[2] https://github.com/ocaml/opam/issues/1658

- Anil Madhavapeddy, 09/12/2014 11:16 -
> It looks like the latest Ubuntu has a completely broken OPAM out of the box 
> since it ships with OPAM 1.1.1 and Aspcud 1.9 (which requires OPAM 1.2 due to 
> a changed solver interface).
> 
> This leads to issues such as this: 
> https://github.com/mirage/mirage-skeleton/issues/59
> 
> Does anyone know how to get in touch with Ubuntu folk to request a backport 
> of OPAM 1.2 to Ubuntu 14.10? 
> 
> -anil
> _______________________________________________
> opam-devel mailing list
> [email protected]
> http://lists.ocaml.org/listinfo/opam-devel
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