Ubuntu Build: Libnettle 2.1 vs Libnettle 3

[Jeffrey Walton]

On Wed, Nov 17, 2010 at 9:25 AM, Simon Josefsson <simon at josefsson.org> wrote:
> Brad Hards <bradh at frogmouth.net> writes:
>
>> On Wednesday, November 17, 2010 08:59:06 pm Jeffrey Walton wrote:
>>> $ apt-cache pkgnames | grep nettle
>>> libnettle1
>>> libnettle3
>>> nettle-bin
>>> nettle-dbg
>>> nettle-dev
>>> libnettle-dev
>>> $ sudo apt-get install libnettle3
>>> Reading package lists... Done
>>> Building dependency tree
>>> Reading state information... Done
>>> libnettle3 is already the newest version.
>> This is nothing to do with gnutls. Debian (and derivatives, such as Ubuntu)
>> name packages according to convention. You can find this convention if you
>> search for it, but the important part here is that if you want to compile
>> something, you want the -dev variant.
>>
>> That is, install libnettle-dev.
>
> Note that libnettle3 is version 2.0 on at least debian squeeze:
>
> jas at latte:~$ apt-cache show libnettle3|grep Version
> Version: 2.0-2
> jas at latte:~$
>
> The 3 in libnettle3 is the ABI version, not the release version.
>
Thanks man! Its not the first time I've been mistaken about versions,
and I'm sure it won't be the last.

I've always had a difficult time with Linux versioning, especially on
modules which have been back-patched in piecemeal fashion. An exercise
left to the reader: what version of OpenSSL are you *really* running?

Jeff