GCC 6.3.0 build fails on Ubuntu 20.04: make: *** [Makefile:924: all] Error 2 - libitm / libquadmath

[Jonathan Wakely]

On Wed, 27 Jan 2021 at 15:45, lordmund via Gcc-help
<gcc-help@gcc.gnu.org> wrote:
> The GCC 6.3.0 was installed in the below directory of my computer:
>
> /usr/local/gcc-6.3
>
> However, my Ubuntu (terminal) cannot find the path to the recently installed GCC 6.3.0, which I find very interesting why.

Because you installed it to a directory that isn't in your PATH. This
is normal, and how linux/unix works.

Either run /usr/local/gcc-6.3/bin/gcc or add /usr/local/gcc-6.3/bin to
your PATH.

N.B. this is not a GCC question, this is a basic "how do I use
ubuntu?" question.