[postgis-devel] Warnings compiling PostGIS 1.2.1 with GEOS 3 RC4

[Mark Cave-Ayland]

On Thu, 2007-02-08 at 23:39 +0100, strk at refractions.net wrote:
> On Thu, Feb 08, 2007 at 09:46:22PM +0000, Mark Cave-Ayland wrote:
> 
> > lwgeom_geos_c.c: In function `GEOS2LWGEOM':
> > lwgeom_geos_c.c:2430: warning: assignment discards qualifiers from
> > pointer target type
> > lwgeom_geos_c.c:2439: warning: assignment discards qualifiers from
> > pointer target type
> ..
> 
> These are known issues related to the GEOSCoordSeq, GEOSGeom etc
> abstract data types, making it impossible to properly define const
> versions of them. We fixed this in GEOS by providing additional
> types with the pointer *not* hidden:
> 
> GEOSCoordSequence and GEOSGeometry.
> 
> PostGIS is currently using the compatibility definition left
> in geos_c.h. Using the new ones is likely possible but will
> take some attention for builds against older GEOS.
> 
> --strk;

Okay - so am I right in understanding that the warnings are not
dangerous, but could be fixed if someone spent time working on
lwgeom_geos_c.c? FWIW all PostGIS and GEOS XMLTester regression tests
pass.


Kind regards,

Mark.