latest CVS compilation error

[John W. Eaton]

On 31-Aug-2007, Shai Ayal wrote:

| compilation is failing in the latest CVS version:
| 
| ../../run-octave -f -q -H -p . --eval "geometryimages ('voronoi',
| 'eps'); sleep (1);"
| error: __delaunayn__: not available in this version of Octave
| error: evaluating assignment expression near line 56, column 5
| error: called from `delaunayn' in file
| `/home/shaia/octave/scripts/geometry/delaunayn.m'
| error: evaluating assignment expression near line 51, column 11
| error: evaluating if command near line 50, column 5
| error: evaluating if command near line 49, column 3
| error: called from `delaunay' in file
| `/home/shaia/octave/geometry-1.0.1/delaunay.m'
| error: evaluating assignment expression near line 7, column 9
| error: evaluating if command near line 3, column 3
| error: called from `geometryimages' in file
| `/home/shaia/octave/doc/interpreter/geometryimages.m'
| 
| make[3]: *** [voronoi.eps] Error 1
| make[3]: Leaving directory `/home/shaia/octave/doc/interpreter'
| make[2]: *** [interpreter] Error 2
| make[2]: Leaving directory `/home/shaia/octave/doc'
| make[1]: *** [doc] Error 2
| make[1]: Leaving directory `/home/shaia/octave'
| make: *** [all] Error 2

I guess we need to disable the creation of these figures if the qhull
library is not present, similar to what we do for the sparse figures
when the necessary sparse functionality is not available.

jwe