gcc version to 7
Add "deb [arch=amd64] http://archive.ubuntu.com/ubuntu focal main universe" to sudo nano /etc/apt/sources.list
- sudo apt update
- sudo apt install g++-7 gcc-7
Setting priority to gcc7 instead of your current gcc version, for me it was gcc11
- sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 100 --slave /usr/bin/g++ g++ /usr/bin/g++-11 --slave /usr/bin/gcov gcov /usr/bin/gcov-11
cd /usr/bin
-
sudo rm x86_64-linux-gnu-gcc
-
sudo ln -sf gcc-7 x86_64-linux-gnu-gcc
-
sudo rm x86_64-linux-gnu-cpp
-
sudo ln -sf cpp-7 x86_64-linux-gnu-cpp
-
sudo rm x86_64-linux-gnu-g++
-
sudo ln -sf g++-7 x86_64-linux-gnu-g++
-
sudo apt-get install python3-dev
-
sudo apt install ninja-build
-
sudo apt-get install libsparsehash-dev
-
sudo apt-get update
-
sudo apt-get install ffmpeg libsm6 libxext6 -y