ask for help : gr-osmosdr build failed

Dear All, Thanks for reading my mail. when I do the last steps, I failed, I don't know why. git clone git://git.osmocom.org/gr-osmosdr cd gr-osmosdr/ mkdir build cd build/ cmake ../ make sudo make install sudo ldconfig I failed when I " make ". the make error is : /tmp/gr-osmosdr/lib/osmosdr_source_c_impl.cc: In constructor 'osmosdr_source_c_impl::osmosdr_source_c_impl(const string&)': /tmp/gr-osmosdr/lib/osmosdr_source_c_impl.cc:117:16: error: 'GR_OSMOSDR_VERSION' was not declared in this scope /tmp/gr-osmosdr/lib/osmosdr_source_c_impl.cc:117:47: error: 'GR_OSMOSDR_LIBVER' was not declared in this scope make[2]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/osmosdr_source_c_impl.cc.o] Error 1 make[1]: *** [lib/CMakeFiles/gnuradio-osmosdr.dir/all] Error 2 make: *** [all] Error 2 the cmake output is : -- Build type not specified: defaulting to release. -- Extracting version information from git describe... -- Configuring Boost C++ Libraries... -- checking for module 'gnuradio-iqbalance' -- package 'gnuradio-iqbalance' not found -- Found gnuradio-uhd: /usr/local/include, /usr/local/lib/libgnuradio-uhd.so -- Found gnuradio-fcd: /usr/local/include, /usr/local/lib/libgnuradio-fcd.so -- Will build with gnuradio iqbalance support. -- -- The build system will automatically enable all components. -- Use -DENABLE_DEFAULT=OFF to disable components by default. -- -- Configuring sysmocom OsmoSDR support... -- Dependency LIBOSMOSDR_FOUND = TRUE -- Enabling sysmocom OsmoSDR support. -- Override with -DENABLE_OSMOSDR=ON/OFF -- -- Configuring FunCube Dongle support... -- Dependency GNURADIO_FCD_FOUND = TRUE -- Enabling FunCube Dongle support. -- Override with -DENABLE_FCD=ON/OFF -- -- Configuring IQ File Source support... -- Dependency GNURADIO_CORE_FOUND = TRUE -- Enabling IQ File Source support. -- Override with -DENABLE_FILE=ON/OFF -- -- Configuring Osmocom RTLSDR support... -- Dependency LIBRTLSDR_FOUND = TRUE -- Enabling Osmocom RTLSDR support. -- Override with -DENABLE_RTL=ON/OFF -- -- Configuring RTLSDR TCP Client support... -- Dependency GNURADIO_CORE_FOUND = TRUE -- Enabling RTLSDR TCP Client support. -- Override with -DENABLE_RTL_TCP=ON/OFF -- -- Configuring Ettus UHD support... -- Dependency UHD_FOUND = TRUE -- Dependency GNURADIO_UHD_FOUND = TRUE -- Enabling Ettus UHD support. -- Override with -DENABLE_UHD=ON/OFF -- -- Configuring Osmocom MiriSDR support... -- Dependency LIBMIRISDR_FOUND = TRUE -- Enabling Osmocom MiriSDR support. -- Override with -DENABLE_MIRI=ON/OFF -- -- ###################################################### -- # gr-osmosdr enabled components -- ###################################################### -- * sysmocom OsmoSDR -- * FunCube Dongle -- * IQ File Source -- * Osmocom RTLSDR -- * RTLSDR TCP Client -- * Ettus UHD -- * Osmocom MiriSDR -- -- ###################################################### -- # gr-osmosdr disabled components -- ###################################################### -- -- Building for version: 1eb3af22 / 0.0.1git -- Using install prefix: /usr/local -- Configuring done -- Generating done -- Build files have been written to: /tmp/gr-osmosdr/build * *