Hi Vishwanatha, Looks like you have a function called set_loop_bandwidth that hasn't been declared in your header files.
-Doug Douglas Anderson | Intern DOC/NTIA/ITS-T | 325 Broadway St., Boulder, CO 80305 | P: 303 497 3582 ________________________________ From: discuss-gnuradio-bounces+danderson=its.bldrdoc....@gnu.org [discuss-gnuradio-bounces+danderson=its.bldrdoc....@gnu.org] on behalf of Vishwanatha H G [vishwanatha.1si12ec...@gmail.com] Sent: Monday, March 30, 2015 6:17 AM To: discuss-gnuradio@gnu.org Subject: [Discuss-gnuradio] programming issue Hi.. I trying to build the costas loop for 16QPSK. But there are some errors are there. I'm not getting the error message. the message is like: 2: Test command: /bin/sh "/home/lekha/gr-project/build/python/qa_cost_test.sh" 2: Test timeout computed to be: 9.99988e+06 2: Traceback (most recent call last): 2: File "/home/lekha/gr-project/python/qa_cost.py", line 26, in <module> 2: import project_swig as proj 2: File "/home/lekha/gr-project/build/swig/project_swig.py", line 26, in <module> 2: _project_swig = swig_import_helper() 2: File "/home/lekha/gr-project/build/swig/project_swig.py", line 22, in swig_import_helper 2: _mod = imp.load_module('_project_swig', fp, pathname, description) 2: ImportError: /home/lekha/gr-project/build/lib/libgnuradio-project.so: undefined symbol: _ZN2gr6blocks12control_loop18set_loop_bandwidthEf 1/1 Test #2: qa_cost ..........................***Failed 0.46 sec 0% tests passed, 1 tests failed out of 1 Total Test time (real) = 0.46 sec The following tests FAILED: 2 - qa_cost (Failed) Errors while running CTest what is the solution? please help me
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