How to install GCC 11 on Ubuntu
GCC can be used to compile C, C++, Objective C, and Objective C++ language .
GCC 11 is the current Development Tools Module complier in SUSE Linux Enterprise 15 SP3.
It aims on the essential optimization levels and options LTO and PGO.
In this guide, you’ll learn how to install GCC 11 on Ubuntu, test it, and uninstall it.
How to install GCC 11 on UbuntuTo install GCC 11 on Ubuntu, you need to add the Toolchain repository and install GCC 11 by running this command, “sudo apt install -y gcc-11”.
Step 1: Add the Toolchain repository
sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
Step 2: Install GCC 11 on Ubuntu
sudo apt install -y gcc-11
Step 3: Verify the GCC 11 version
gcc-11 --versionHow to test GCC 11 on Ubuntu
To test GCC 11 on Ubuntu, you need to make a main.c file, copy and paste an example code, and compile the code, and run the program.
1. Make a main.c file
nano main.c
2. Copy and paste this code
int main() {
printf("Hello\n");
return 0;
}
3. Compile a code
gcc-11 main.c -o test
4. Run the program
./testHow to uninstall GCC 11 on Ubuntu
To uninstall GCC 11 on Ubuntu, you need to remove remove GCC 11 and related dependencies and remove the GCC repository and key by running some commands.
1. Remove GCC 11/related dependencies
sudo apt purge --autoremove -y gcc-11
2. Remove the GCC repository + key
sudo rm -rf /etc/apt/trusted.gpg.d/ubuntu-toolchain-r_ubuntu_test.gpg
sudo rm -rf /etc/apt/sources.list.d/ubuntu-toolchain-r-ubuntu-test-focal.listFurther reading
How to Fix “python: can’t open file ‘manage.py’: [Errno 2] No such file or directory”
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