Hi Ron, Thanks for the suggestion. My experience is that the -j4 works for a while on a Raspberry PI 3B+, but eventually runs out of memory on some files and the whole PI crashes.
-j4 might work on a 4 GB PI 4 though. Best regards, Glen On Wed, Jul 31, 2019 at 5:30 PM Ron Economos <w...@comcast.net> wrote: > > You can reduce build time significantly by using all the cores in your > CPU. This is done by using the -j parameter with the make command. Set > the parameter to the number of available cores. For the Pi 3B+, the CPU > has four cores, so: > > make -j4 > > Ron > > On 7/31/19 10:28, Barry Duggan wrote: > > Hi Glen, > > > > With the help of many of our friends here, I was able to build 3.8 > > from scratch on a Pi 3B+. Here are my notes from that effort: > > > > Build gnuradio on Raspberry Pi 3B+ > > > > Author: Barry Duggan > > 31 July 2019 > > > > OS: Raspbian Buster with desktop and recommended software > > 32GB microSD > > > > A. Load prerequisites > > > > sudo apt-get update --allow-releaseinfo-change > > sudo apt-get upgrade > > sudo apt-get install git cmake g++ libboost-all-dev libgmp-dev swig > > python3-numpy > > sudo apt-get install python3-mako python3-sphinx python3-lxml doxygen > > libfftw3-dev > > sudo apt-get install libsdl1.2-dev libgsl-dev libqwt-qt5-dev > > libqt5opengl5-dev python3-pyqt5 > > sudo apt-get install liblog4cpp5-dev libzmq3-dev python3-yaml > > sudo apt-get install libpthread-stubs0-dev > > sudo pip3 install click-plugins > > > > D. Set up swap file > > > > sudo fallocate -l 2G /swapfile > > sudo chmod 600 /swapfile > > sudo mkswap /swapfile > > sudo swapon /swapfile > > > > - To make this permanent, add this line to /etc/fstab > > /swapfile none swap sw 0 0 > > > > C. Clone repository > > > > cd > > git clone --recursive https://github.com/gnuradio/gnuradio.git > > > > D. Build > > > > cd ~/gnuradio > > mkdir build > > cd build > > (this next command is all on one line, starting with cmake and ending > > with ../) > > cmake -DENABLE_GR_UHD=OFF -DCMAKE_INSTALL_PREFIX="/usr/local" > > -DCMAKE_BUILD_TYPE=Release -DPYTHON_EXECUTABLE=/usr/bin/python3 ../ > > make > > sudo make install > > sudo ldconfig > > > > Of course, if you want UHD, leave out the "-DENABLE_GR_UHD=OFF". > > > > It took about eight hours total. > > > > Good luck! Let me know how it went. > > > > Best wishes, > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
