Re: [Discuss-gnuradio] undefined reference to file_sink_base

[Nemanja Savic]

everything looks fine with that

address@hidden build]$ ldd lib/libgnuradio-TMS.so
    linux-vdso.so.1 =>  (0x00007ffd93fa1000)
    libboost_filesystem-mt.so.5 => /usr/lib64/libboost_filesystem-mt.so.5 (0x00007fccb7e5f000)
    libboost_system-mt.so.5 => /usr/lib64/libboost_system-mt.so.5 (0x00007fccb7c5b000)
    libgruel-3.6.5.1.so.0.0.0 => /usr/local/lib64/libgruel-3.6.5.1.so.0.0.0 (0x00007fccb7a15000)
    libgnuradio-core-3.6.5.1.so.0.0.0 => /usr/local/lib64/libgnuradio-core-3.6.5.1.so.0.0.0 (0x00007fccb757f000)
    libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00007fccb7278000)
    libm.so.6 => /lib64/libm.so.6 (0x00007fccb6ff4000)
    libgcc_s.so.1 => /lib64/libgcc_s.so.1 (0x00007fccb6dde000)
    libc.so.6 => /lib64/libc.so.6 (0x00007fccb6a49000)
    libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fccb682c000)
    librt.so.1 => /lib64/librt.so.1 (0x00007fccb6624000)
    libboost_date_time-mt.so.5 => /usr/lib64/libboost_date_time-mt.so.5 (0x00007fccb6411000)
    libboost_program_options-mt.so.5 => /usr/lib64/libboost_program_options-mt.so.5 (0x00007fccb61c4000)
    libboost_thread-mt.so.5 => /usr/lib64/libboost_thread-mt.so.5 (0x00007fccb5faf000)
    libfftw3f.so.3 => /usr/lib64/libfftw3f.so.3 (0x00007fccb5cb8000)
    libfftw3f_threads.so.3 => /usr/lib64/libfftw3f_threads.so.3 (0x00007fccb5ab2000)
    libvolk.so.0.0.0 => /usr/local/lib64/libvolk.so.0.0.0 (0x00007fccb579d000)
    libdl.so.2 => /lib64/libdl.so.2 (0x00007fccb5598000)
    liborc-0.4.so.0 => /usr/lib64/liborc-0.4.so.0 (0x00007fccb5318000)
    /lib64/ld-linux-x86-64.so.2 (0x00007fccb8300000)

Core library is there I checked. I also tried with nm to look for symbols inside core library and they are really there.

On Thu, Nov 5, 2015 at 5:29 PM, Marcus Müller <address@hidden> wrote:

Hm, make sure your program really uses those; "ldd libgnuradio-TMS.so"
might point to the right places.

On 11/05/2015 05:21 PM, Nemanja Savic wrote:
> Anything else I could try with this silly problem? I am sure 100% that
> libraries are in /usr/local/lib64
>
> On Thu, Nov 5, 2015 at 5:12 PM, Nemanja Savic <address@hidden> wrote:
>
>> In my gnuradio 3.6.5.1 file_sink_base constructor takes otwo arguments,
>> filename and bool.
>>
>> On Thu, Nov 5, 2015 at 5:06 PM, Marcus Müller <address@hidden>
>> wrote:
>>
>>> Does it get better when you do blocks::file_sink_base(filename, true,
>>> false)?
>>>
>>>
>>> On 11/05/2015 05:04 PM, Nemanja Savic wrote:
>>>
>>> This is rather strange. This module was working ok, I just didn't build
>>> it for quite some time.
>>> I use file_sink_base as a base class for one of my file sinks that has
>>> some kind of history buffer inside.
>>> And, the structure of that block is identical as the structure of
>>> file_sink that comes with GR.
>>> So my block is defined as
>>>     class TMS_API file_sink_lim_b : virtual public gr_sync_block,
>>>                                      virtual public blocks::file_sink_base
>>>
>>> pretty much as normal file sink, except I have blocks:: namsespace.
>>> Inside the constructor is also the same:
>>> blocks::file_sink_base(filename, true).
>>>
>>>
>>>
>>> On Thu, Nov 5, 2015 at 3:57 PM, Marcus Müller <address@hidden>
>>> wrote:
>>>
>>>> Hi Nemanja,
>>>>
>>>> file_sink_base only has a parameterless public constructor these days
>>>> (from gr-blocks/include/.../file_sink_base.h)
>>>>  47     protected:
>>>>  48       file_sink_base(const char *filename, bool is_binary, bool
>>>> append);
>>>>  49
>>>>  50     public:
>>>>  51       file_sink_base() {}
>>>>  52       ~file_sink_base();
>>>>  53
>>>> and the protected one takes a second bool now.
>>>> That doesn't explain the problems with the d'tor and do_update, but
>>>> maybe it's a start.
>>>>
>>>> Best regards,
>>>> Marcus
>>>>
>>>>
>>>> On 11/05/2015 01:50 PM, Nemanja Savic wrote:
>>>>
>>>> Hi all guys,
>>>>
>>>> i have encountered a new problem which was not present before. I have my
>>>> old GR module (out of tree) for years. Yesterday I wanted to change
>>>> something and couldn't build it cause of the linker error.
>>>>
>>>> libgnuradio-TMS.so: undefined reference to
>>>> `gr::blocks::file_sink_base::file_sink_base(char const*, bool)'
>>>> libgnuradio-TMS.so: undefined reference to
>>>> `gr::blocks::file_sink_base::~file_sink_base()'
>>>> libgnuradio-TMS.so: undefined reference to
>>>> `gr::blocks::file_sink_base::do_update()'
>>>>
>>>> I know that before, I had similar error on some other machine, so I
>>>> added lines:
>>>>
>>>> set(GR_REQUIRED_COMPONENTS CORE BLOCKS)
>>>> find_package(Gnuradio "3.6.5.1")
>>>>
>>>> in my top CMakeLists.txt file but unfortunately nothing changed. I am
>>>> sure that everything is there, but can't figure out why it can't find it.
>>>>
>>>> Cheers and thanx,
>>>> --
>>>> Nemanja Savić
>>>>
>>>>
>>>> _______________________________________________

>>>> Discuss-gnuradio mailing address@hidden://lists.gnu.org/mailman/listinfo/discuss-gnuradio

>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Discuss-gnuradio mailing list
>>>> address@hidden
>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>>
>>>>
>>>
>>> --
>>> Nemanja Savić
>>>
>>>
>>>
>>
>> --
>> Nemanja Savić
>>
>
>

--

Nemanja Savić