gnuRadio 3.8

[sarandis. Doulgeris]

Can anyone tell me how can i install gnuradio 3.8 on Ubuntu 18.0.4 LTS? I have tried these two instructions but i have the same result my laptop crashes

1)

• sudo apt update

• sudo apt upgrade

• sudo ldconfig

• sudo update-alternatives --install /usr/bin/python python /usr/bin/python2.7 1

• sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.6 2
• 
  
• sudo update-alternatives --set python /usr/bin/python3.6
• sudo apt install python3-pip
• pip3 install --upgrade setuptools
• pip3 install click

• sudo apt install git cmake g++ libboost-all-dev libgmp-dev swig python3-numpy python3-mako python3-sphinx python3-lxml doxygen libfftw3-dev libcomedi-dev libsdl1.2-dev libgsl-dev libqwt-qt5-dev libqt5opengl5-dev python3-pyqt5 liblog4cpp5-dev libzmq3-dev python3-yaml python3-click python3-click-plugins python3-zmq

• sudo ldconfig

  sudo apt install python3-scipy libgsm1-dev libcodec2-dev liborc-0.4-dev libgmp3-dev portaudio19-dev

• git clone --recursive -b maint-3.8 --single-branch https://github.com/gnuradio/gnuradio.git

• cd gnuradio/

• mkdir build

• cd build

• cmake ../

make -j4 ( right here computer chashes at 87% three times straight)

• make test

• sudo make install

• sudo ldconfig

gnuradio-companion







2)

sudo apt-get install python-pip python-apt
sudo -H pip install PyBOMBS
mkdir ~/sdr
cd ~/sdr
pybombs auto-config
pybombs recipes add gr-recipes git+https://github.com/gnuradio/gr-recipes.git
pybombs recipes add gr-etcetera git+https://github.com/gnuradio/gr-etcetera.git
pybombs prefix init ~/sdr
sed -i 's/2\.6/3.6/g' setup_env.sh
sed -i 's/2\.7/3/g' setup_env.sh
source ~/sdr/setup_env.sh
pybombs install uhd
sudo apt install git cmake g++ libboost-all-dev libgmp-dev \
  swig python3-numpy python3-mako python3-sphinx python3-lxml \
  doxygen libfftw3-dev libcomedi-dev libsdl1.2-dev libgsl-dev \
  libqwt-qt5-dev libqt5opengl5-dev python3-pyqt5 liblog4cpp5-dev \
  libzmq3-dev python3-yaml python3-click python3-click-plugins
pybombs install gnuradio (crashes at 87% at Buiding stage)

I have no idea what i am doing. I installed gnuradio 3.7.# by 
sudo apt-get update
sudo apt-get install gnuradio 

I want the 3.8 version. Thanks