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 :
References :

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