Thanks for your reply, I was able to workaround this by adding the
following flags my `cmake` command:
-DCMAKE_EXE_LINKER_FLAGS=-llog4cpp
-DCMAKE_MODULE_LINKER_FLAGS=-llog4cpp
-DCMAKE_SHARED_LINKER_FLAGS=-llog4cpp
I'm not an expert in build systems but my guess is that the shared
libraries which all of these objects were built against depend on
log4cpp and linking them into a single file requires `-llog4cpp`.
I have no experience in writing cmake rules but I tried to patch
CMakeLists.txt without much success, I suppose more experience is needed
:) WIP patch is attached.
I hope you'll find time to look into this and help me help you.
Thanks again.
On Thu, Dec 13, 2018 at 09:56:26AM +0000, Müller, Marcus (CEL) wrote:
Hi Doron,
my guess is that you updated the log4cpp header files, but your ld is
still linking to an older version of log4cpp, or vice versa.
Since (as far as I know), gr-osmosdr doesn't use log4cpp itself at all,
this would, for example, happen, if you have a GNU Radio installed that
was built agains an older version of log4cpp, and then you've updated
log4cpp, and now are trying to build software that links agains GNU
Radio.
Best regards,
Marcus
On Wed, 2018-12-12 at 22:44 +0200, Doron Behar wrote:
> So I wanted to compile gr-osmosdr from source. I created a build
> directory and I ran `cmake ..` and then `make`.
>
> These are the errors I got:
>
> ```
> [ 57%] Linking CXX shared library libgnuradio-osmosdr-0.1.5git.so
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/source_impl.cc.o: in
> function `_GLOBAL__sub_I_source_impl.cc':
> source_impl.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: source_impl.cc:(.text.startup+0x6b): undefined reference
> to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/sink_impl.cc.o: in
> function `_GLOBAL__sub_I_sink_impl.cc':
> sink_impl.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: sink_impl.cc:(.text.startup+0x6b): undefined reference
> to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/device.cc.o: in function
> `_GLOBAL__sub_I_device.cc':
> device.cc:(.text.startup+0x60): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: device.cc:(.text.startup+0x67): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/osmosdr/osmosdr_src_c.cc.o: in function
> `_GLOBAL__sub_I_osmosdr_src_c.cc':
> osmosdr_src_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: osmosdr_src_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/file/file_source_c.cc.o:
> in function `_GLOBAL__sub_I_file_source_c.cc':
> file_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: file_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/file/file_sink_c.cc.o:
> in function `_GLOBAL__sub_I_file_sink_c.cc':
> file_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: file_sink_c.cc:(.text.startup+0x6b): undefined reference
> to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/rtl/rtl_source_c.cc.o:
> in function `_GLOBAL__sub_I_rtl_source_c.cc':
> rtl_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: rtl_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/rtl_tcp/rtl_tcp_source_c.cc.o: in function
> `_GLOBAL__sub_I_rtl_tcp_source_c.cc':
> rtl_tcp_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: rtl_tcp_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/uhd/uhd_sink_c.cc.o: in
> function `_GLOBAL__sub_I_uhd_sink_c.cc':
> uhd_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: uhd_sink_c.cc:(.text.startup+0x6b): undefined reference
> to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/uhd/uhd_source_c.cc.o:
> in function `_GLOBAL__sub_I_uhd_source_c.cc':
> uhd_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: uhd_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/miri/miri_source_c.cc.o:
> in function `_GLOBAL__sub_I_miri_source_c.cc':
> miri_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: miri_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/hackrf/hackrf_source_c.cc.o: in function
> `_GLOBAL__sub_I_hackrf_source_c.cc':
> hackrf_source_c.cc:(.text.startup+0x58): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: hackrf_source_c.cc:(.text.startup+0x5f): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/hackrf/hackrf_sink_c.cc.o: in function
> `_GLOBAL__sub_I_hackrf_sink_c.cc':
> hackrf_sink_c.cc:(.text.startup+0x58): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: hackrf_sink_c.cc:(.text.startup+0x5f): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/bladerf/bladerf_source_c.cc.o: in function
> `_GLOBAL__sub_I_bladerf_source_c.cc':
> bladerf_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: bladerf_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/bladerf/bladerf_sink_c.cc.o: in function
> `_GLOBAL__sub_I_bladerf_sink_c.cc':
> bladerf_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: bladerf_sink_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/rfspace/rfspace_source_c.cc.o: in function
> `_GLOBAL__sub_I_rfspace_source_c.cc':
> rfspace_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: rfspace_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/airspy/airspy_source_c.cc.o: in function
> `_GLOBAL__sub_I_airspy_source_c.cc':
> airspy_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: airspy_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/soapy/soapy_source_c.cc.o: in function
> `_GLOBAL__sub_I_soapy_source_c.cc':
> soapy_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: soapy_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-osmosdr.dir/soapy/soapy_sink_c.cc.o:
> in function `_GLOBAL__sub_I_soapy_sink_c.cc':
> soapy_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: soapy_sink_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/redpitaya/redpitaya_source_c.cc.o: in function
> `_GLOBAL__sub_I_redpitaya_source_c.cc':
> redpitaya_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: redpitaya_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/redpitaya/redpitaya_sink_c.cc.o: in function
> `_GLOBAL__sub_I_redpitaya_sink_c.cc':
> redpitaya_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: redpitaya_sink_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/freesrp/freesrp_source_c.cc.o: in function
> `_GLOBAL__sub_I_freesrp_source_c.cc':
> freesrp_source_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: freesrp_source_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> /usr/bin/ld: CMakeFiles/gnuradio-
> osmosdr.dir/freesrp/freesrp_sink_c.cc.o: in function
> `_GLOBAL__sub_I_freesrp_sink_c.cc':
> freesrp_sink_c.cc:(.text.startup+0x54): undefined reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::AppenderMapStorage
> Initializer()'
> /usr/bin/ld: freesrp_sink_c.cc:(.text.startup+0x6b): undefined
> reference to
> `log4cpp::Appender::AppenderMapStorageInitializer::~AppenderMapStorag
> eInitializer()'
> collect2: error: ld returned 1 exit status
> make[2]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/build.make:555:
> lib/libgnuradio-osmosdr-0.1.5git.so.0.0.0] Error 1
> make[1]: *** [CMakeFiles/Makefile2:141: lib/CMakeFiles/gnuradio-
> osmosdr.dir/all] Error 2
> make: *** [Makefile:141: all] Error 2
> ```
>
> As you can see, all error messages refer to the same reference to a
> log4cpp appender function.
>
> I have log4cpp version 1.1.3 installed by my package manager on Arch
> Linux. It is installed in /usr/lib. It seems like a missing library
> in
> CMakeLists.txt . Am I correct?
>
> Thanks for creating this software.