Re: [Discuss-gnuradio] Linking Error // Missing Library // openLTE Cmake

[Jared Clements]

Just ran into this one a while back, see the discussion I initiated on
Sept 17th with the subject line: Updating gr-specest to 3.7

Most of the CMakeList.txt files needed updating... in one way or another.

Jared

On Fri, Oct 4, 2013 at 1:20 PM, Dincer Beken <address@hidden> wrote:
> Hi all,
>
>
>
> while adding the a resampler to the openLTE project, i got a linking error.
>
>
>
> I added in the header file :
>
> LTE_fdd_dl_scan_flowgraph the library rational resampler:
>
>
>
> Into the header file:
>
> gr::filter::rational_resampler_base_ccf::sptr resapler_filter;
>
>
>
> Into the source code:
>
> Top_blockàconnect(samp_src,0,resampler_filer(1536,1000,std::vector<float>(1,1)),0);
>
>
>
> And got no compile error.
>
>
>
> I included:
>
>
>
> #include <gnuradio/filter/rational_resampler_base_ccf.h>
>
>
>
> Into the header file.
>
>
>
>
>
> As output I am getting:
>
>
>
>
>
> Linking CXX executable LTE_fdd_dl_scan
> CMakeFiles/LTE_fdd_dl_scan.dir/src/LTE_fdd_dl_scan_flowgraph.cc.o: In
> function `LTE_fdd_dl_scan_flowgraph::start(unsigned short)':
> LTE_fdd_dl_scan_flowgraph.cc:(.text+0x94b): undefined reference to
> `gr::filter::rational_resampler_base_ccf::make(unsigned int, unsigned int,
> std::vector<float, std::allocator<float> > const&)' collect2: ld returned 1
> exit status make[2]: *** [LTE_fdd_dl_scan/LTE_fdd_dl_scan] Error 1 make[1]:
> *** [LTE_fdd_dl_scan/CMakeFiles/LTE_fdd_dl_scan.dir/all] Error 2 make: ***
> [all] Error 2
>
>
>
>
>
> I think the problem lies in that I need to add the filters libraries,
> somehow into the projects CMAKEList.txt files.
>
>
>
> Could you please help me, in which CMAKEList.txt files (for the the overall
> project or for the app spefic (LTE_fdd_dl_scan) file), I need to make some
> manipulations?
>
>
>
> I am going to look more detailed in cmake myself, but if you give hints, as
> always, I will highly appreciate.
>
>
>
> Regards,
>
> Dincer
>
>
>
>
>
>
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