Re: [Discuss-gnuradio] Compilation Error of the sample code "tags_demo.cc"

Hi Marcus,

Sorry, I was typing and accidentally sent it out the previous one... The code is 

#include<gnuradio/top_block.h>

#include<gnuradio/uhd/usrp_source.h>

#include<uhd/utils/safe_main.hpp>

#include <boost/make_shared.hpp>

#include <boost/thread/thread.hpp>

#include <boost/program_options.hpp>

#include <csignal>

#include <iostream>

namespace po = boost::program_options; int UHD_SAFE_MAIN(int argc, char *argv[]){ std::string device_addr =" "; gr::top_block_sptr tb = gr::make_top_block("tags_demo"); gr::uhd::usrp_source::sptr usrp_source = gr::uhd::usrp_source::make(device_addr, uhd::stream_args_t("fc32"));

}

Then I ran the command:

g++ tags.cpp -o tags -l boost_system

which ends up having errors:

undefined reference to gr::make_top_block, uhd::device_addr_t, gr::uhd::usrp_source and etc.

Thanks,

Zhihong Luo

On Wed, Feb 3, 2016 at 4:29 PM, Zhihong Luo <zhluo@umich.edu> wrote:

Hi Marcus,

Of course. Here are the codes:

On Wed, Feb 3, 2016 at 4:13 PM, Marcus Müller <marcus.mueller@ettus.com> wrote:

Hi Zhihong Luo,

could you please rather share text than pictures of text, too small for reading?

Best regards,
Marcus

On 03.02.2016 07:31, Zhihong Luo wrote:

Hi all,

I just started to learn to use c++ for gnuradio, and I copied some codes from the "tags_demo.cc". But compilation error occurred as shown in the following screen shots. Can you tell me where I made a mistake?

Thanks,

Zhihong Luo

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