user interface - installation of octave with gui -


i know noobish question way through ask help.
here is, installed octave-4.2.1 octave-4.2.1.tar.xz following standard procedure of extracting , ./configure, make , make install etc. seems octave-cli installed when fire octave--force-gui nothing happens. question must in order octave-gui working? if it's not installed how can install without hampering octave-cli?


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