[Qgis-developer] Issue with QGIS server on CentOS - self compiled

[Dave Johansen]

QGIS is packaged in EPEL, so that would be another option.
https://admin.fedoraproject.org/pkgdb/package/rpms/qgis/

On Wed, Aug 10, 2016 at 10:17 AM, Neumann, Andreas <a.neumann at carto.net>
wrote:

> Hi,
>
> I self-compiled QGIS Server (on CentOS 7) and it works fine for
> GetCapabilities and GetProjectSettings commands, but fails for GetMap.
>
> In the Apache log I get an error:
>
> libpng warning: Application was compiled with png.h from libpng-1.5.13
> libpng warning: Application is running with png.c from libpng-1.2.56
> libpng error: Incompatible libpng version in application and library
>
> I checked libpng and there is "libpng-1.5.13" on my machine in /usr/lib64.
> Within the gdal source tree (also self-compiled) there is a is a second
> version of libpng, which seems to match libpng-1.2.56
>
> Do you have an idea how I can influence the QGIS server fcgi file to pick
> up libpng-1.5.13 first?
>
> I tried to set LD_LIBRARY_PATH and set "/usr/lib64" first, so I assumed it
> picks up the newer version first. But it still fails ...
>
> Does libgdal.so contain the older version of libpng which conflicts?
>
> Thanks,
>
> Andreas
>
>
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