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I am using PostGIS 2.0 and I want to use the raster functionality through mapserver. It seems as if the latest official GDAL release 1.9.1 has an unstable PostGIS raster driver, as pointed out in a previous question. After posting a ticket, was advised on github to update GDAL from trunk for this to work. I did that but I still get the same error. Thus, my question is:

Is it necessary to build PostGIS again from source after updating GDAL for that update to become effective in PostGIS?

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During configuration PostGIS is looking for GDAL, the GDAL-config-file that is: http://postgis.net/docs/postgis_installation.html#installation_configuration

So yes, I think you need to build PostGIS again; I don't know about a way to point PostGIS to a different/new version of GDAL.

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  • That's true, I did use that flag for pointing PostGIS to my previous local GDAL install. But since my new GDAL trunk installation is at the same place (replacing the previous one), I wondered if it might not be necessary to build PosgGIS again...
    – yellowcap
    Commented Oct 4, 2012 at 10:59
  • Yes. Rebuild PostGIS again as that is always the safest option. If you're running GDAL trunk, things should work. It works far better for my projects than 1.9.x
    – dustymugs
    Commented Oct 4, 2012 at 15:23

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