Re: [Plplot-devel] Build Plplot with PLD_png enabled

[Andrew R. <and...@us...>]

Hi Jose,

It should still be possible to build with the GD driver. I have done
this relatively recently. Debian still (for now) builds the GD
packages.  If you are setting PLD_png=ON, but it is getting turned off
this is probably because cmake is not finding some of the required
libraries or headers needed for GD support. I suggest you look more
closely at the output of ccmake to see what is missing. There should
be a message saying why PLD_png is being turned off.

I would suggest in any case that you contact the SCAMP maintainers and
encourage them to also support one of the newer and better png drivers
based on the cairo or Qt libraries.

Regards

Andrew

On Thu, Jun 28, 2012 at 01:17:33PM +0200, Jose Miguel Ib??ez wrote:
> Hi everyone,
> 
> I need to use an application (SCAMP) that require the GD driver to run
> correctly, so I am trying to build from the scratch the Plplot library
> (5.9.9) with the PLD_png option enabled. I know that since 5.9.3 the gd
> device driver is deprecated, but it is said in the README.release next:
> 
> "
> For those platforms where libgd (the
> dependency of the gd device driver) is accessible while the required
> dependencies of the cairo and/or qt devices are not accessible, you
> can still use these deprecated devices by setting PLD_png, PLD_jpeg,
> or PLD_gif to ON.
> 
> "
> 
> I have run ccmake in order to activate the PLD_png option, but every time
> it is "deactivated" just when exiting from ccmake.
> 
> Could anyone tell me whether still is possible to build the Plplot library
> with the GD driver enabled ? how ?
> 
> Thanks very much for your help,
> JoseM

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