compiler errors - LinuxBrew does not install latest version of gcc?

Question

When I do g++ --versionon my Linux Ubuntu I get g++ (Home-brew GCC 5.5.0_7) 5.5.0. This was installed via brew install gcc.

As the latest version of gcc is 10.2, why has brew not installed this version? I had also tried sudo apt update sudo apt install build-essential sudo apt install gcc-9and gcc --version

but it did not change the version. Any advice?

Also, when I try to run an installation script I get the following error

error: command 'home/linuxbrew/.linuxbrew/bin/g++ failed with exit code 1

but

which gcc

gives

/home/linuxbrew/.linuxbrew/bin/g++

so I am not sure what happened.

Answer 1

等待大神答复