Re: octave license is incompatible with openssl

[Mark H Weaver <mhw@netris.org>]

kei@openmailbox.org writes:

> On 2016-08-09 14:30, Ricardo Wurmus wrote:
>> Mike Miller <mtmiller@octave.org> writes:
>>
>>> On Wed, Aug 10, 2016 at 00:00:59 +0800, Alex Vong wrote:
>>>> So, we drop the optional dependency to avoid the problem.
>>>
>>> Precisely what is the optional dependency that is dropped?
>>>
>>> Octave does not directly link with OpenSSL nor use any OpenSSL
>>> functions. The Octave package on Debian builds with all optional
>>> dependencies enabled, and the resulting binary is linked with GnuTLS.
>>
>> The “openssl” package (along with “cyrus-sasl”) was added as a new
>> input
>> to our “octave” package in commit
>> b7b27a8f28746a488eeee489c71053059dc5a8dc, along with the upgrade from
>> 4.0.0 to 4.0.2.
>>
>> I don’t know why this was done.  Maybe Kei could shed some light on
>> this.
>>
>> ~~ Ricardo
>
> When I tried to build Octave 4.0.2, the build complained about missing
> SSL and SASL libraries. Adding gnutls as a dependency (Debian users
> are advised to use libcurl4-gnutls-dev) did not fix the issue, so I
> added OpenSSL to stop the issue.

We should investigate the reason why it failed without OpenSSL.  I would
start by repeating the build attempt without OpenSSL, and looking at the
resulting config.log to see what went wrong.

> It seems to me that Octave 4.0.2 (and 4.0.3, the most recent version)
> depends on SSL for curl usage, as curl allows Octave users to issue a
> "pkg install -forge [package_name]" command to install packages from
> the Octave Forge repo. I didn't know that the licenses were
> incompatible, so now we have to name (or correctly package) the Guix
> equivalent of libcurl4-gnutls-dev.

'curl' is that package.  It is built against GnuTLS.

      Mark