Neil Williams wrote:
> On Mon, 2008-03-03 at 21:52 +0100, Jiří Paleček wrote:
>> Hello,
>>
>> I was looking at the swfdec0.6 package and wondered why it is unavailable
>> on almost all architectures.
>
> It only exists in experimental - packages in experimental *might* be
> autobuilt but the only way to be sure is to get the package in a fit
> state for unstable.
As you can see from the logs, the package was autobuilt, so that is not the
case.
>> So I looked at the build logs and they
>> (almost) fail in a quite strange way. It seems apt installed a broken set
>> of packages (even though a package set satisfying the build-dependencies
>> was -probably- available).
>
> Probably? Are you able to build it using pbuilder yourself?
Just a disclaimer: I'm not a maintainer of the package, and I'm really not
gonna try pbuilder.
Probably: The logs are more than a week old by now, and I don't know if the
dependencies were really satisfiable at that point. However, it's hard to
imagine a situation where libglib2.0-0 (2.15.5-1) is available but
libglib2.0-dev (2.15.5-1) is not.
>> Is this a bug in APT?
>
> Probably not.
>
> It looks more like a feature of experimental, most of the logs I saw
> include this error:
>
> libglib2.0-dev: Depends: libglib2.0-0 (= 2.14.6-1) but 2.15.5-1 is to be
> installed
>
> i.e. one of your dependencies is also in experimental and therefore
> builds of your package try to use this experimental version which then
> fails because experimental is not a complete distribution.
Sorry, but this explanation is bogus. See:
debian:/usr/src/linux-2.6.23.9# apt-get install -d libglib2.0-dev
libglib2.0-0=2.15.6-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libglib2.0-dev: Depends: libglib2.0-0 (= 2.14.6-1) but 2.15.6-1 is to be
installed
E: Broken packages
But, at the same time:
debian:/usr/src/linux-2.6.23.9# aptitude install -d libglib2.0-dev
libglib2.0-0=2.15.6-1
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Building tag database... Done
The following packages are BROKEN:
libglib2.0-dev
The following packages have been kept back:
... snip ...
The following packages have unmet dependencies:
libglib2.0-dev: Depends: libglib2.0-0 (= 2.14.6-1) but 2.15.6-1 is to be
installed.
Resolving dependencies...
The following actions will resolve these dependencies:
Upgrade the following packages:
libglib2.0-dev [2.14.0-2 (now) -> 2.15.6-1 (experimental)]
Score is -9980
Accept this solution? [Y/n/q/?] q
So apt-get failed where aptitude found a (straightforward) solution in a
situation, which seems to be quite similar to what is in the logs.
Regards
Jiri Palecek
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