Am 01.10.2018 um 17:51 schrieb BGimeno:
> El 01/10/18 a las 17:04, clipka escribió:
>> Am 01.10.2018 um 16:38 schrieb jr:
>>
>>>> Note that in the Built-in features the X Windows display is disabled.
>>>
>>> on my machine it reads "X Window display:  enabled (using SDL)",
>>> so it looks like that library (libSDL*.so) is not found/used when
>>> building.
>>> hth.
>>
>>  From what I see in the Unix build scripts, it seems that POV-Ray can't
>> (or doesn't want to) use SDL without X.
>>
> 
> So
> "sudo apt-get install libsdl2-dev"
> in my case solved this question.
> If this resolved the issue in my case maybe it should be included in the
> list of dependencies.

Did you have `libsdl-dev` installed before?

Because that one is explicitly mentioned in `unix/README.md` as /the/
extra prerequisite to enable the render preview display.

To the best of my knowledge, if `libsdl-dev` is installed, you shouldn't
need `libsdl2-dev`, because that's just a newer generation of the library.

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