Just today I had a problem like this in an OOT module on Ubuntu. I'd
added a callback method to allow gnuradio-companion to set a changed
parameter. I'm not sure if this is the way it's supposed to work, but I
had to go back to the build directory and do a "cmake ../" to get swig
to discover the change and build a python wrapper for the method. So:
make clean, cmake ../, make, sudo make install, sudo ldconfig. Good luck!
Dan
On 11/12/16 2:55 PM, Garver, Paul W wrote:
I’ve got an out-of-tree module which uses gr-trellis and gr-digital. In the
root OOT module directory’s CMakeLists.txt I’ve added:
set(GR_REQUIRED_COMPONENTS RUNTIME TRELLIS DIGITAL)
I’ve got a Mac OS X and Linux setup. On the MAC setup ( GR
v3.7-MacPorts-devel-git-e106376b(20160809)), the OOT module compiles and executes as
expected. However, on the Linux setup (GR v3.7.10.1-144-g7b0dfd80) I get the
"AttributeError:’module’ object has no attribute” error.
Running a Python session on Linux, importing the OOT module, and doing dir()
yields none of the functions in the OOT module.
The odd thing is that the OS X compilation is clearly linking
libgnuradio-digital as found by
# otool -L
BUT using ldd on the Linux compiled version does NOT show linking to
libgnuradio-digital
I’m thinking that not linking gr-digital is causing this issue. It is the exact
same code. My understanding is that adding DIGITAL as shown above is sufficient
for correct linkage, but it isn’t linking in Linux. Is there any reason I would
need to explicitly add the digital library to CMakeLists in lib/?
PWG
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Dr. Daniel Martin
Acadia Controls, LLC
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