The whole purpose of using PyBOMBS is to work in PREFIXes, so no need to do that – PyBOMBS does that automatically. On Tue, 2018-06-05 at 10:38 -0400, Dave NotTelling wrote: > Check out > https://github.com/gnuradio/pybombs#configuring-a-prefix-environment-eg-for-cross-compiling. > You might be able to set CXXFLAGS with the `--env` flag > > On Tue, Jun 5, 2018 at 10:36 AM Dave NotTelling <[email protected]> wrote: > > I would suspect that PyBombs doesn't care about your env variables. That > > or it overwrites the CMAKE_CXX_FLAGS at some point. I have no idea how > > PyBombs builds the CMake projects. If it's not calling the `cmake` command > > directly, then it likely will not pick up the env variable. > > > > On Tue, Jun 5, 2018 at 10:33 AM Philip Balister <[email protected]> wrote: > > > On 06/05/2018 10:06 AM, Marcus D. Leech wrote: > > > > On 06/05/2018 09:07 AM, Jason Matusiak wrote: > > > >> 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. > > > >> > > > > That error is internal to the compiler, it is failing to perform its job > > > > correctly. This has nothing to do with Gnu Radio, per se, or PyBombs > > > > or any of that. This ordinarily means you compiler is broken in some > > > > way. > > > > > > > > HOWEVER. How much memory do you have on the system? > > > > > > > > > Run dmesg and look for messages from the OOM killer (Out of Memory) > > > > > > Philip > > > > > > > > > > > This issue used to happen on systems with small physical memory, because > > > > compiling certain things requires a lot of virtual memory > > > > on the part of the compiler. > > > > > > > > > > > >> > > > >> 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 > > > >> <[email protected] > > > >> <mailto:[email protected]>> 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 > > > >> [email protected] <mailto:[email protected]> > > > >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > >> > > > >> > > > >> > > > >> _______________________________________________ > > > >> Discuss-gnuradio mailing list > > > >> [email protected] > > > >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > Discuss-gnuradio mailing list > > > > [email protected] > > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > > > > > > _______________________________________________ > > > Discuss-gnuradio mailing list > > > [email protected] > > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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