How Do I Change Gcc Version in Linux?

How do I downgrade gcc version?

2 Answers

1. Uninstall gcc5.4. sudo apt-get remove gcc g++ Check gcc again: gcc –version.
2. Install gcc 4.9/g++ 4.9. sudo apt-get install gcc-4.9 g++-4.9. Checking Version: g++-4.9 –version.
3. Link to gcc g++ ln -s /usr/bin/g++-4.9 /usr/bin/g++ ln -s /usr/bin/gcc-4.9 /usr/bin/gcc.
4. Checking Version: g++ –v gcc –v.

How do I update gcc to latest version?

Update using the GUI version:

1. When the GUI is open, tap Installation -> Update Catalogue . This will update the package list.
2. After that, tap Installation -> Mark All Upgrades . This will select all of the packages which can be upgraded.
3. Finally, tap Installation -> Apply Changes to apply the upgrades.