Failed to spawn command 'clang'

[Exter-dg]

Failed to spawn command clang. Make sure clang is installed and on your PATH

[Arcanemagus]

Do you have clang installed and on your $PATH as it suggests? which clang should return a path if so.

[Exter-dg]

Do you have clang installed and on your $PATH as it suggests? which clang should return a path if so.

How can I add it to my $PATH in Linux?