Welcome new user! You can search existing questions and answers without registering, but please register to post new questions and receive answers.
Welcome to JeVois Tech Zone, where you can ask questions and receive answers from other members of the community.

Can't load jevois packages on Raspian stretch (RPI3)

0 votes

sudo add-apt-repository "deb https://jevois.usc.edu/apt stretch main"

Key part of error message:
"Error: could not find a distribution template for Raspbian/stretch"

Full interaction:

pi@c0:~/jevois $ sudo add-apt-repository "deb https://jevois.usc.edu/apt stretch main"
Traceback (most recent call last):
  File "/usr/bin/add-apt-repository", line 95, in <module>
    sp = SoftwareProperties(options=options)
line 109, in __init__
line 599, in reload_sourceslist
  File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 89, in
    (self.id, self.codename))
aptsources.distro.NoDistroTemplateException: Error: could not find a
distribution template for Raspbian/stretch


By the way, you should mention in your instructions that folks using
Raspian need to
sudo apt-get install dirmngr software-properties-common
to follow your instructions on loading USC software.
asked Oct 27, 2017 in Programmer Questions by Chris Atkeson (170 points)

1 Answer

0 votes

Yes, we do not provide debian packages for raspberry pi. Those are for 64 bit intel only.

The reason is that the rpi is just too slow and limited to be usable in practice. Because jevois C++17 code uses templates abundantly, attempting to compile it on more than one thread on RPi3 gives rise to out of memory errors. Then, just trying to compile jevois and jevoisbase using 1 thread on a rpi takes over an hour...  versus 2 minutes on a dual Xeon machine.

Hence the model for jevois is cross compilation: a powerful intel computer is used to cross compile code that will run on the arm processor inside Jevois. We have more info on this at 


answered Oct 28, 2017 by JeVois (33,620 points)