[GRASS5] Re: NVIZ + CELL map + gcc >=3.2.2 = SegFault

[Hamish]

> Bug #2:
>
> > > Turns out the raster I was testing NVIZ out with is a CELL map.
> > > Tried to run nviz on an integer based raster on a RedHat install &
> > > it gave the same SegFault.
> > > So NVIZ doesn't like integer based maps.
> > > ...
> > > building color table
> > > child killed: segmentation violation
> > > ...
> > 
> > Hamish I have been using nviz with CELL maps with no problems (e.g.
> > figs 5.1b,6.8a,7.2a in the book) and I tried it with the recent nviz
> > version from CVS right now and it runs OK too.
> 
> 
> On Debian/testing(sarge), 5.0.3rc3:
> 
> - If I compile with gcc-2.95 (and the -lpthread fix) it works.
> 
> - If I compile with gcc-2.95 (without -lpthread) it gets past the point
> of the SegFault, but hangs after "Adding panels". [same as gcc-3.3
> without the -lpthread fix]
> 
> - If I compile with gcc-3.2.2 on Redhat 9 it SegFaults after "building
> color table".
> 
> - If I compile with gcc-3.3.1 (with or without the -lpthread fix) it
> SegFaults after "building color table".
> 
> 
> I've got gcc-3.0 and gcc-3.2.3 installed too, so I'll see if I can
> narrow down that end some more.


Breaks with gcc 3.0.4 ...
makes it past src/libes/ogsf/Gs3.c's Gs_build_256lookup() too.

gcc-3.3.1 with -DDEGUG_MSG and some printf()'s thrown in and it works.
Hmmmm.. & on the re-compiling goes..


> Hamish