Re: modules have a soname?

[Simon Josefsson]

Russ Allbery <address@hidden> writes:

> Simon Josefsson <address@hidden> writes:
>
>> I'm tracking down why I get warnings from dpkg-shlibdeps on a package
>> that builds dlopen modules with libtool.  For reference, a build log is
>> available here:
>
>> https://buildd.debian.org/status/fetch.php?pkg=jabberd2&arch=amd64&ver=2.3.4-1%2Bb1&stamp=1446749350
>
>> According to dpkg-shlibdeps dlopen modules should not have a soname:
>
>>    "A private library (like a plugin) should not have a SONAME and
>>    doesn't need to be versioned."
>
>> See http://linux.die.net/man/1/dpkg-shlibdeps for more text.
>
>> However when I build the package manually I can see that libtool does
>> add a soname to the module:
>
> libtool adds an SONAME unless -avoid-version is passed in the libtool
> arguments.  Unless there's some use for the SONAME, it's generally best
> practice to use -avoid-version when creating plugins.

Thanks.

> In other words, this is probably an upstream Makefile issue rather than a
> problem with either libtool or dpkg-shlibdeps.

Upstream do use -avoid-version in their Makefile.am, but I just noticed
that it might not be used in all places.  I'll double check.

/Simon

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