GNU compiler below the required version

Mariam Hachem

6/13/24, 8:35 AM

I'm obtaining this error message: GNU 7.5.0 compiler is below the minimum required version 8.0.0 even though when I type "sudo apt install gcc-8 g++-8", I obtain an output saying that gcc 8 is already installed but when I check the version of gcc using "gcc --version" I see that it is 7.5.0 what can I do to install the latest version?

127

1 + 1

versions

gcc

gnu

compiler

steeldriver

6/13/24, 11:49 AM

What's the context here? If you are building software, it's often possible to select the compiler to use via build flags or environment variables.

Score:0

Ubuntu

Saxtheowl

6/13/24, 9:00 AM

You have both gcc-7 and gcc-8 installed, gcc-7 is the one being used when you run gcc, lets change this by using update-alternatives to change the default gcc to gcc-8.

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 7
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-7 7

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-8 8
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-8 8


sudo update-alternatives --config gcc
sudo update-alternatives --config g++

+ 6

Simon Richter

6/13/24, 9:07 AM

The alternatives should be already installed, so just the `--config` should be needed.

Mariam Hachem

6/13/24, 9:53 AM

I am obtaining this error: update-alternatives: error: no alternatives for gcc :(

Saxtheowl

6/13/24, 9:56 AM

I just added a step to do before, try again

Mariam Hachem

6/14/24, 9:16 AM

okay thank you. I just have one more question, it keeps telling me that low disk space on filesystem root, although when I look into my PC on windows I see that there is 8 GB free space. What can I do? I need free space on ubuntu to work on a simulator and run scripts

Mariam Hachem

6/14/24, 9:55 AM

Also when I shutdown the VM and reopen VMware workstation and start Ubuntu the screen keeps stuck on a black screen and Ubuntu doesn't open... It happened several times and I was obligated to delete the VM and recreate a new one and repeat everything from start

Saxtheowl

6/14/24, 9:33 PM

The partition in which your root filesystem is located is running out of space, for the black screen it could be due to a problem such as graphics driver issues or problems with the VM settings

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: GNU compiler below the required version

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