build fails without sparse libs

[Tom Holroyd]

Compiling today's CVS without sparse libraries installed.

makeinfo -I.. -I. -I./.. ./octave.texi
DISPLAY= ../../run-octave -f -q -H -p . --eval "sparseimages ('gplot', 'eps'); sleep 
(1);"
error: invalid assignment of comma-separated list
error: evaluating assignment expression near line 114, column 11
error: evaluating if command near line 112, column 5
error: evaluating if command near line 111, column 3
error: called from `set' in file 
`/usr/local/src/octave/scripts/plot/set.m'
error: evaluating if command near line 29, column 3
error: called from `__uiobject_text_ctor__' in file 
`/usr/local/src/octave/scrip ts/plot/__uiobject_text_ctor__.m'
error: evaluating assignment expression near line 116, column 13
error: evaluating if command near line 110, column 3
error: called from `__uiobject_axes_init__' in file 
`/usr/local/src/octave/scrip ts/plot/__uiobject_axes_init__.m'
error: evaluating if command near line 29, column 3
error: called from `__uiobject_axes_ctor__' in file 
`/usr/local/src/octave/scrip ts/plot/__uiobject_axes_ctor__.m'
error: evaluating assignment expression near line 35, column 9
error: evaluating if command near line 31, column 3
error: called from `axes' in file 
`/usr/local/src/octave/scripts/plot/axes.m'
error: evaluating assignment expression near line 32, column 9
error: evaluating if command near line 31, column 5
error: evaluating if command near line 29, column 3
error: called from `gca' in file 
`/usr/local/src/octave/scripts/plot/gca.m'
error: evaluating assignment expression near line 67, column 6
error: called from `mesh' in file 
`/usr/local/src/octave/scripts/plot/mesh.m'

<many blank lines deleted>

error: evaluating if command near line 219, column 3
error: called from `sparseimages:sombreroimage' in file 
`/home/local/src/octave/ doc/interpreter/sparseimages.m'
error: evaluating if command near line 2, column 3
error: called from `sparseimages' in file 
`/home/local/src/octave/doc/interpreter/sparseimages.m'


After make install, the error changed to this:

gnuplot> set style line 1 default;
                          ^
         line 0: extraneous or out-of-order arguments in set 
linestyle


make[3]: *** [spmatrix.eps] Error 1
make[3]: Leaving directory 
`/home/local/src/octave/doc/interpreter'

in case that matters.