On 09/04/2011 04:57 PM, Greg Le Sage wrote:
The revised build-gnuradio.sh produced no errors on my Fedora 14
installation. It does handle the changes to the web site holding the
FPGA and firmware, so I did not need to append /old to the web link in
the script anymore. None of the errors from yesterday popped up at
all. The GRC programs show the right icons now. When I try to run any
of them, I receive the error
"Cannot import gnuradio. Are your PYTHONPATH and LD_LIBRARY_PATH set
correctly?"
I read a bunch about this problem this morning and tried the following.
python -c "import sys; print sys.path"
All of the /python2.7/site-packages seem to be in there already, but I
also did
export PYTHONPATH=$PYTHONPATH:/usr/local/lib/python2.7/site-packages
This did not add anything to PYTHONPATH when I examined it, so I think
that is already set correctly.
Next I did
export LD_LIBRARY_PATH="/usr/local/lib:/usr/lib:$LD_LIBRARY_PATH"
These were the steps I found in previous discussions.
I still receive the same error message when I try to run any of the
GRC programs.
When I do
echo ${LD_LIBRARY_PATH}
the list does include /usr/local/lib and /usr/lib
I set up a custom script in /etc/profile.d with the following
export PYTHONPATH="/usr/local/lib/python2.7/site-packages"
export LD_LIBRARY_PATH="/usr/local/lib:/usr/lib"
I verified that these values were present using
echo ${PYTHONPATH} and
echo ${LD_LIBRARY_PATH}
GRC still gives the same error, and more confusingly, my working
installation on Ubuntu shows blank lines with the above echo commands.
It also seems to me that these path variables need to point to lots
more places. I will keep reading.
Sorry for not being more familiar with Linux.
Can someone give me advice on addressing the error presented by GRC
for Fedora 14?
Thanks!
You shouldn't need to do *anything* to LD_LIBRARY_PATH.
But on x86_64 systems, Fedora uses /usr/local/lib64/python2.7/site-packages
So, if you're on a x86_64 system on Fedora, you'll need to set your
PYTHONPATH to point to /usr/local/lib64/python2.7/site-packages
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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