: USRP Error when running GNU Radio on Mac OSX leopard

After installing GNU Radio 3.1.3 on leopard, here is the running error.

Traceback (most recent call last):
File “./usrp_fft.py”, line 24, in
from gnuradio import usrp
File “/Library/Python/2.5/site-packages/gnuradio/usrp/init.py”,
line 25,
in
from usrp_swig import *
File “/Library/Python/2.5/site-packages/gnuradio/usrp/usrp_swig.py”,
line 6,
in
import _usrp_swig
ImportError:
dlopen(/Library/Python/2.5/site-packages/gnuradio/usrp/_usrp_swig.so,
2):
Symbol not found: __ZN10usrp_basic15selected_subdevERK16usrp_subdev_spec
Referenced from: /usr/local/lib/libgnuradio-usrp.0.dylib
Expected in: /usr/local/lib/libusrp.0.dylib

Previous discussion included a similar question, and mentioned that it
is
related to libusb. The version of libusb installed is 0.1.12 and
libusb-compat
is deactivated. Does anyone know how to solve this?

Thank you so much.

Best Regards,
Ying

Hi Ying -

I know from testing that 3.2.2 and the latest trunk work under 10.5
and libusb 0.1.12. We’re working to get these working on 10.6 64-bit
and libusb 1.0 series, but also keeping backwards compatibility with
10.5 and 10.6 32-bit as well as libusb 0.1.12.

Is there a reason you need 3.1.3? Could 3.2.2 work for you? I would
guess updating will fix your issue. If you really need 3.1.3, then
you’ll have to do some work to fix the method
“usrp_basic::selected_subdev(usrp_subdev_spec const&)” since
apparently it doesn’t exist in that version (at least for Darwin, but
I suspect it just doesn’t exist in that version).

  • MLD

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