Thanks Dave, but that did not seem to work for me. Here were the commands I ran (slightly different than recommended, but that was for some different recipe mods that have nothing to do with this issue): $ export CXXFLAGS="-std=c++11" $ PREFIX=/opt/gnuradio/v3.7.12.0 $ yes | pybombs prefix init $PREFIX $ yes | pybombs -p $PREFIX recipes add gr-recipes git+https://github.com/gnuradio/gr-recipes.git $ source /opt/gnuradio/v3.7.12.0/setup_env.sh $ pybombs -vvv -p $PREFIX install gnuradio And currently things keep erroring out at the same place while installing UHD: [ 43%] Building CXX object lib/CMakeFiles/uhd.dir/usrp/dboard/magnesium/magnesium_radio_ctrl_impl.cpp.o [ 43%] Building CXX object lib/CMakeFiles/uhd.dir/usrp/dboard/magnesium/magnesium_radio_ctrl_init.cpp.o c++: internal compiler error: Killed (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See <http://bugzilla.redhat.com/bugzilla> for instructions. make[2]: *** [lib/CMakeFiles/uhd.dir/usrp/dboard/magnesium/magnesium_radio_ctrl_init.cpp.o] Error 4 make[2]: *** Waiting for unfinished jobs.... I've also tried env CXXFLAGS=-std=c++11, but it had the same issues. Jason, You can set the CXXFLAGS env variable to "-std=c++11" and any CMake builds you run (assuming the same shell) will check the CXXFLAGS var first. This assumes that you don't overwrite the value of CMAKE_CXX_FLAGS. I just tried it in a terminal with `export CXXFLAGS="-std=c++11"`, then `cmake ..`, and finally `VERBOSE=1 make -j 1`. The verbose make command will show you if your flags are taking or not. -Dave
On Tue, Jun 5, 2018 at 8:00 AM Jason Matusiak <ja...@gardettoengineering.com> wrote: I am trying to install gnuradio onto a Centos 7 box and am having more and more issues with packages that use c++11 commands. For some of the packages, I add the line: CMAKE_CXX_FLAGS "-std=c++11" to the module's CMakeLists.txt file. The issue is that that requires a fetch, the mod, and then a rebuild. This worked OK with it was just gqrx I was doing it for, but now I need it for other modules it appears, and so I am trying to find a more elegant solution that covers everything that is built via a pybombs install gnuradio command (like gr-blocks, which I can't use this trick for). If I understand the problem correctly, Ubuntu uses new enough tools to realize that it needs to use the c++11 version (or newer I assume) to build since it is needed. It seems like even though Centos 7 has the c++11 capability, it does not smartly trying to use it, and must be directed to for the installs to work. Is there something I can do at an upper level to make things happy on an install? _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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