Install GCC From Source Code

Install success on ubuntu 19.4 with GCC 9.2 ------------------------------------------------------------------- Step 1: sudo apt update Step 2: sudo apt upgrade Step 3: sudo apt-get install build-essential Step 4: download and extract GCC Step 5: contrib/download_prerequisites Step 6: ./configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --enable-checking=release --enable-languages=c,c++ --disable-multilib Step 7: make -j 4 Or make (if make -j 4 error) Or Let trying a few again (Step 1 to Step 7) Waiting about 1 hour Step 8: sudo make install Gcc site : https://gcc.gnu.org/ References : https://solarianprogrammer.com/2016/10/07/building-gcc-ubuntu-linux/