configure: Require at least version 1.6 of gnutls.

[James Mckenzie]

Francois Gouget <fgouget at free.fr> at Oct 22, 2008 2:15 AM wrote about configure: Require at least version 1.6 of gnutls.
>
>On Tue, 21 Oct 2008, James Mckenzie wrote:
>
>> Henri Verbeet <hverbeet at gmail.com> at Oct 21, 2008 10:04 AM wrote about configure: Require at least version 1.6 of gnutls.
>>
>> Why are we looking to use gnutls 1.6?  Is there a feature that is 
>> needed for Wine?  If so, I will have to check Fink before building 
>> Darwine again.
>
>Yes, we use the following types and functions (and maybe more) which are 
>not available in the very old Gnutls versions:
>
Since you stated 'very old' version, so I have a question.  When did these functions become available?  I am not going to assume that they were introduced with version 1.6.

>   gnutls_alert_description_t
>   gnutls_transport_set_errno
>
>
>For the autoconf check it's probably enough to just check for 
>gnutls_transport_set_errno() and warn if it's missing.

This is a good idea.  We should check for the newest function and if it is not available, force an error and let the user know that these are available with version 1.6.

<HUMOR>
>     The software said it requires Win95 or better, so I installed Linux.
I used "The software said it requires Win95 or better, so I installed OS/2".  I miss it.  Now I use a Mac and wish I had started with one.
</HUMOR>

James McKenzie