I think this will solve build/autopkgtest issue but not the real problem. You
should instead add a:
Breaks: nodejs (<< ${source:Version}~)
In both libnode-dev and libnodeXX
Le 20 juin 2020 14:06:47 GMT+02:00, "Jérémy Lal" <kapo...@melix.org> a écrit :
>Le ven. 19 juin 2020 à 19:34, Paul Gevers <elb...@debian.org> a écrit :
>
>> Hi Jérémy and Xavier,
>>
>> On 19/06/2020 13.33, Jérémy Lal wrote:
>> > libnode68 and libnode72 can be co-installed.
>>
>> Sure.
>>
>> > /usr/bin/node is going to load the lib with the SONAME it's been built
>> for.
>>
>> Of course, like any normal binary that is linked against a library in
>> Debian.
>>
>> > So of course nodejs 12.x loads libnode72 and nodejs 10.x loads libnode68.
>> > Otherwise the SONAME bump wouldn't be major.
>> >
>> > Paul: you're right to point out that it is perfectly possible for
>> > another application
>> > to link against libnode72 without needing to install nodejs 12.
>> >
>> > Xavier: i didn't think about that beforehand, but the approach you
>> suggest
>> > will break things (maybe other packages using libv8-dev, for example).
>> >
>> > I'm not sure why node-iconv depends on nodejs.
>>
>> As my other bug, node-expat seems to have the same issue.
>>
>> > Its autopkgtests should however depend on nodejs >= <version>
>> > where <version> is the one built against the same libnode SONAME as
>> > node-iconv (?)
>>
>> That doesn't scale, because it's every package that has an autopkgtest
>> that depends on node-iconv that has this issue. So it's node-iconv that
>> needs to declare the right versioned relation to nodejs. It looks like
>> the binary executable already knows it, but the Debian package doesn't
>> know it yet. The internal knowledge needs to be exposed somehow.
>>
>
>Since all packages that Build-Depend: libnode-dev are concerned,
>maybe the solution is to declare:
>
>libnode-dev
>Depends: nodejs (= ${binary:Version})
>
>- downside: packages depending on libv8-dev will install nodejs (this
>shouldn't be a problem).
>- a multi-arch issue ?
>
>?
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