[sane-devel] Fwd: SANE use of libieee1284 for parallel port devices

[Ralph Little]

Hi,

On 2022-03-25 12:56, Gunnar Hjalmarsson wrote:
> Forwarding this from another address, since some google server 
> considered my message to be "likely unsolicited mail".
>
> If you reply, please reply to the list and not only to me.
>
>
> On 2022-03-25 17:23, Ralph Little wrote:
>> Hi,
>> After recently reviewing our support for parallel support devices, it
>> seem that the current Ubuntu package generation uses the build
>> option --enable-parport-directio which disables libieee1284 library
>> support.
>>
>> There are many advantages to using the library rather than hitting
>> port devices directly (permissions, stable platform, sane device
>> names) and my tests seem to indicate that it is pretty stable and
>> reliable: https://gitlab.com/sane-project/backends/-/issues/578
>>
>> After asking around it seems that using this option was felt to lead
>> to a more stable experience but that was probably *many* years ago
>> and much has changed.
>> libieee1284 hasn't been updated in ages and it seems to have a stable
>> API. I will update the SANE PPA to switch this option off and will
>> test with other devices that I have.
>>
>> I appreciate that this is a fairly low priority item. :D
>
> Want to mention that sane-backends is packaged at Debian, so you may 
> want to submit a Debian bug to reach the package maintainer:
>
> https://bugs.debian.org/cgi-bin/pkgreport.cgi?src=sane-backends
>
> With that said, and since any change affects the Ubuntu users by 
> default, gathering input here too is probably wise.
>
Good point!
I have raised an issue at Debian:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1008275

Cheers,
Ralph