Re: [Discuss-gnuradio] Some fairy C++ error in gr-filter

[Tom Rondeau]

On Fri, Feb 7, 2014 at 10:50 AM, Gisle Vanem <address@hidden> wrote:
> Hi list. My 1st post here.
> I have a big problem with CMake and some of the generated
> files under gr-filter/lib. E.g. here is a snippet from it:
>
> #include "fir_filter_ccc.h"
> #include <gnuradio/io_signature.h>
> #include <volk/volk.h>
>
> namespace gr {
>  namespace filter {
>       fir_filter_ccc::sptr
>    fir_filter_ccc::make(int decimation, const std::vector<gr_complex> &taps)
>    {
>      return gnuradio::get_initial_sptr(new fir_filter_ccc
>     (decimation, taps));      ///  <<< line 40
>    }
>
> At line 40 my g++ 4.7.2 starts yelling w/o me understanding what it says.
> Here is the 1st error (edited):
>
> fir_filter_ccc_impl.cc: In static member function 'static
> gr::filter::fir_filter_ccc::
>  sptr gr::filter::fir_filter_ccc::make(int, const
> std::vector<std::complex<float> >&)':
> fir_filter_ccc_impl.cc:40:23: error: cannot allocate an object of abstract
> type
>  'gr::filter::fir_filter_ccc'
>
> What's this? Is this because 'FILTER_API' is an dllexport? Or is my
> fir_filter_ccc_impl.cc generated incorrectly? What is that file and
> fir_filter_ccc.h supposed to look like?
>
> Some info for you: 'g++ -fconserve-space -c -DDEBUG -g -O1 -Wall' ..etc.
>
> Thanks in advance.
>
> --gv


OS? GNU Radio version?

Tom