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Tistayu
Asked: 2020-02-12 09:04:44 +0800 CST

How to update from gcc 7.4.0 to 9 on ubuntu 18.04?

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I installed gcc 9 using 

sudo add-apt-repository ppa:jonathonf/gcc-9.0
sudo apt-get install gcc-9

But running gcc -v (after restart) still gave the output of 7.4.0.
Additionally, I tried uninstalling gcc 

sudo apt-get --purge remove gcc-7

and then installing gcc -9, but then running gcc -v says no file/directory found.

gcc 18.04

0 Answers