-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Your main CMakeLists.txt is still looking for the double FFTW3. replace find_package(FFTW3) by find_package(FFTW3f) and use the FindFFTW3f.cmake from the gnuradio source tree.
You'll have to replace all occurences of FFTW3_ by FFTW3F_ in your CMake files. On 21.03.2014 11:42, Nasi wrote: > Thanks for quick reply! > > It does not work even if I use float precision as fftwf_complex > *in2, *out2; out2 = (fftwf_complex*) > fftwf_malloc(NFFT*2*sizeof(fftwf_complex)); in2 = (fftwf_complex*) > fftwf_malloc(NFFT*2*sizeof(fftwf_complex)); > > I attach cmake files. It would be nice of you if you take a look. > > - NE > > > Fri, 21 Mar 2014 11:18:45 +0100 от Marcus Müller > <mar...@hostalia.de>: The (F) was meant to say: Use > FFTW3_LIBRARIES if you want to use the double precision version, > use FFTW3F_LIBRARIES if you want the single (float, 'F') precision > version of the library. > > Since you're using fftw_malloc (without f suffix), you're trying > to use the double prec. version of the library, but you link > against the single prec. version. > > Greetings, Marcus > > PS: The GNU Radio complex data type is identical to the float > complex datatype used by FFTW3F. If you want to use that, use the > float version of the library and replace fftw_malloc by > fftwf_malloc and so on. > > > > On 21.03.2014 10:35, Nasi wrote: >>>> Hi all, >>>> >>>> I am using ubuntu 13.04 and GNURADIO 3.7. >>>> >>>> In project https://github.com/BogdanDIA/gr-dvbt , in >>>> reference_signals_impl.cc in /lib, I add inside one of the >>>> functions: >>>> >>>> fftw_complex *in2, *out2; out2 = (fftw_complex*) >>>> fftw_malloc(NFFT*2*sizeof(fftw_complex)); in2 = >>>> (fftw_complex*) fftw_malloc(NFFT*2*sizeof(fftw_complex)); I >>>> get this error: ~/gr-dvbt/apps$ sudo ./top_block_rx.py >>>> Traceback (most recent call last): File "./top_block_rx.py", >>>> line 23, in <module> import dvbt File >>>> "/usr/local/lib/python2.7/dist-packages/dvbt/__init__.py", >>>> line 45, in <module> from dvbt_swig import * File >>>> "/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py", >>>> line 26, in <module> _dvbt_swig = swig_import_helper() File >>>> "/usr/local/lib/python2.7/dist-packages/dvbt/dvbt_swig.py", >>>> line 22, in swig_import_helper _mod = >>>> imp.load_module('_dvbt_swig', fp, pathname, description) >>>> ImportError: /usr/local/lib/libgnuradio-dvbt.so: undefined >>>> symbol: fftw_malloc >>>> >>>> I read and did the articles: >>>> http://lists.gnu.org/archive/html/discuss-gnuradio/2014-02/msg00479.html >>>> >>>> and >>>> >>>> http://gnuradio.4.n7.nabble.com/FFTW3-runtime-error-td46690.html >>>> . However, in lib I cannot add ${FFTW3(F)_LIBRARIES} to your >>>> lib/CMakeLists.txt. It gives me an error. Therefore I >>>> replaced that with ${FFTW3F_LIBRARIES}. >>>> >>>> Where am I making mistake? >>>> >>>> - NE >>>> >>>> > > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTLBgtAAoJEBQ6EdjyzlHtBRMIAJCWlaJJFVM6FaD+GrY1YOHR Q/pr1DLzCRWi6J+nRq5XL6abZYaO/PIA1eXyVYp1RKmmugFxPE79oJmh20rILhaX xGmRuxMHUbKUU0q0CvoNe2lSUPfWkGgOmm97rClxIV869SUZYQULpWZFBtDtCRf3 Niqj1eCACPDJdd5mJoCiYtJGsXtbqcIfEcrk6GZd9g1HdVB4VoivFK/N9KiQebom /knj6ecXhJSBwAQfnlS9vefonC+oSX9e1iYITyQjLIt/szqmQHlyir1vWXgigwAn c581J1IhCZofud4GExZCWRWcEkFis9xPgdTr/KCIGvqkmk91MZJ0nWtXfNsXDNU= =Ggzm -----END PGP SIGNATURE----- _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
