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From: | Gilad Beeri (ApolloShield) |
Subject: | Re: [Discuss-gnuradio] Error Linking UHD |
Date: | Tue, 19 Jun 2018 14:42:15 +0300 |
I must admit this is surprising to me, as the line of code where
LIBS=... is printed is pretty integrally coupled to the line that
specifies what GNURADIO_ALL_LIBRARIES is. Maybe CMake got confused?
I know this is kind of a "haveyoutriedturningitoffandonagain" answer,
but have you tried completely rm'ing your build/ directory and letting
CMake run anew?
Best regards,
Marcus
:e ../cmake/Modules/FindG On Tue, 2018-06-19 at 14:19 +0300,
Gilad Beeri (ApolloShield) wrote:
> I have a similar problem as described in https://lists.gnu.org/archive/html/discuss-gnuradio/2015-05/msg00195.html.
>
> When I try to run tests (with Python), I get:
>
> Traceback (most recent call last):
> File "python/myblock.py", line 12, in <module>
> from myproj.myproj_swig import mitigation_source
> File "/home/user/gr/lib/python2.7/site-packages/myproj/myproj_swig.py", line 28, in <module>
> _myproj_swig = swig_import_helper()
> File "/home/user/gr/lib/python2.7/site-packages/myproj/myproj_swig.py", line 24, in swig_import_helper
> _mod = imp.load_module('_myproj_swig', fp, pathname, description)
> ImportError: /home/user/gr/lib/libgnuradio-myproj-1.0.0git.so.0.0.0: undefined symbol: _ZN3uhd11time_spec_tC1Eld
>
>
> I did add "UHD" to the line starting with "set(GR_REQUIRED_COMPONENTS" (in my root CMakeLists.txt) so I get the output of
>
> Checking for GNU Radio Module: UHD
> -- Checking for module 'gnuradio-uhd'
> -- Found gnuradio-uhd, version 3.7.11.1-as
> * INCLUDES=/home/user/gr/include
> * LIBS=/home/user/gr/lib/libgnuradio-uhd.so;/home/user/gr/lib/libgnuradio-runtime.so;/home/user/gr/lib/libgnuradio-pmt.so;/usr/lib/liblog4cpp.so
> -- Found GNURADIO_UHD: /home/user/gr/lib/libgnuradio-uhd.so;/home/user/gr/lib/libgnuradio-runtime.so;/home/user/gr/lib/libgnuradio-pmt.so;/usr/lib/liblog4cpp.so
> GNURADIO_UHD_FOUND = TRUE
>
> I also have in my lib/CMakeLists.txt file ${GNURADIO_ALL_LIBRARIES} in both target_link_libraries() lists.
>
> I have "#include <uhd/types/time_spec.hpp>" in my header file.
>
> But for some reason, it doesn't seem to link gnuradio-uhd:
>
> readelf -d /home/user/gr/lib/libgnuradio-myproj-1.0.0git.so.0.0.0
>
> 0x0000000000000001 (NEEDED) Shared library: [libboost_system.so.1.58.0]
> 0x0000000000000001 (NEEDED) Shared library: [libgnuradio-runtime-3.7.11.1-as.so.0.0.0]
> 0x0000000000000001 (NEEDED) Shared library: [libgnuradio-pmt-3.7.11.1-as.so.0.0.0]
> 0x0000000000000001 (NEEDED) Shared library: [liblog4cpp.so.5]
> 0x0000000000000001 (NEEDED) Shared library: [libgnuradio-filter-3.7.11.1-as.so.0.0.0]
> 0x0000000000000001 (NEEDED) Shared library: [libstdc++.so.6]
> 0x0000000000000001 (NEEDED) Shared library: [libm.so.6]
> 0x0000000000000001 (NEEDED) Shared library: [libgcc_s.so.1]
> 0x0000000000000001 (NEEDED) Shared library: [libc.so.6]
> 0x000000000000000e (SONAME) Library soname: [libgnuradio-myproj-1.0.0git.so.0.0.0]
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