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From: | Nemanja Savic |
Subject: | Re: [Discuss-gnuradio] undefined reference to file_sink_base |
Date: | Thu, 5 Nov 2015 17:12:29 +0100 |
Does it get better when you do blocks::file_sink_base(filename, true, false)?
On 11/05/2015 05:04 PM, Nemanja Savic wrote:
pretty much as normal file sink, except I have blocks:: namsespace. Inside the constructor is also the same:So my block is defined asAnd, the structure of that block is identical as the structure of file_sink that comes with GR.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.
class TMS_API file_sink_lim_b : virtual public gr_sync_block,
virtual public blocks::file_sink_base
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:
I know that before, I had similar error on some other machine, so I added lines: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()'
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,
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Nemanja Savić
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