The xterm executable is used when you have a flow graph with the
Generate Options set to "No GUI" and Run Options set to "Prompt for
Exit". In that scenario, GNU Radio Companion wants to open a terminal
for the prompt for exit to exist in. If you don't have anything
configured, GNU Radio Companion will hang.
If you never use the "No GUI" option, then you're fine. If you do want
to use it, then do the following:
1) sudo apt-get install xterm
2) Edit ~/.gnuradio/grc.conf and add/edit the line:
xterm_missing = /usr/bin/xterm
3) Edit <install_dir>/etc/gnuradio/conf.d/ and add/edit the line:
xterm_executable = /usr/bin/xterm
Ron
On 8/21/19 18:16, Barry Duggan wrote:
Hi Volker and Michael,
Thank you for that information. On my Raspbian Buster system I found
the following:
- there is a /usr/bin/x-terminal-emulator, but no 'xterm' anywhere I
could find;
- there is a /usr/local/etc/gnuradio/conf.d/grc.conf file, but the
xterm_executable is blank;
- env shows 'TERM=xterm-256color'.
Since the error message I got applied to 3.7, I'm guessing it didn't
get changed for 3.8 or 3.9.
It's all very confusing, but since it works 'as is', I think I will
leave it alone ;)
Best regards,
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