run-octave mode cannot plot with gnuplot?

halala Fri Sep 06, 2013 4:03 pm

After startxwin and emacs and run-octave and plot(1:100), the error message is

error: popen2: popen2 (child): unable to start process -- No such file or directory
error: called from:
error: /usr/share/octave/3.6.4/m/plot/private/__gnuplot_open_stream__.m at line 30, column 44
error: /usr/share/octave/3.6.4/m/plot/__gnuplot_drawnow__.m at line 72, column 19
error: 'unset' undefined near line 8 column 1
parse error:

syntax error

It seems a problem with cygwin, here is some discussion:
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