[Bug c++/89668] make[2]: autogen: Command not found

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89668

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Pei JIA from comment #0)
> So, my questions are:
> 
>     Is make[2]: autogen: Command not found an ERROR? Is autogen required?

This seems pretty clearly documented at
https://gcc.gnu.org/install/prerequisites.html

>     Is WARNING: Couldn't find the global config file. an ERROR? It looks
> like it's just a harmless warning, right?

You can ignore it.

> Any suggestions? Should I just wait????? But, it's already been hours....

There are thousands and thousands of tests. You probably should have told make
to run multiple jobs at once, using the -j option and an argument.