[sane-devel] PNG support for "scanimage"?

[Rolf Bensch]

Hi,

I just fixed the ppa build dependencies for trusty and xenial. Newer
Ubuntu versions are not affected. The ppa is building now.

Cheers,
Rolf


Am 01.06.19 um 03:37 schrieb Olaf Meeuwissen:
> Hi Rainer, Rolf,
> 
> Dr Rainer Woitok writes:
> 
>> Greetings,
>>
>> still using Ubuntu 16.04 I've installed "scanimage" from Rolf's PPA:
>>
>> $ scanimage --version
>> scanimage (sane-backends) 1.0.27git; backend version 1.0.27
>> $ scanimage -d pixma:MX880_new-host --format png
>> PNG support not compiled in
>> $
>>
>> What's the reason for not supporting PNG?  Do I have to clone the source
>> repository to get PNG support?
> 
> Looks like the build dependencies are missing libpng-dev but I have no
> idea why.  They do have a libjpeg-dev dependency and JPEG and PNG
> support were both added in 1.0.25.
> 
> Rolf> Can you fix this?
> 
> Hope this helps,
> --
> Olaf Meeuwissen, LPIC-2            FSF Associate Member since 2004-01-27
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