> > diff --git a/gcc/config.gcc b/gcc/config.gcc
> > index 93e2b3219b9..3df9b52cf25 100644
> > --- a/gcc/config.gcc
> > +++ b/gcc/config.gcc
> > @@ -4730,9 +4730,10 @@ case "${target}" in
> > echo "--with-multilib-list= can't used with
> > --with-multilib-generator= at same time" 1>&2
> > exit 1
> > fi
> > + PYTHON=`which python || which python3 || which
> > python2`
>
> which is a non-standard utility.
hmmm, good point, let me revert this at this moment.
> Additionally, you will get extra
> output on stderr when one of the commands is not found.
I tried PYTHON will get an empty string if all of those are not found,
no stderr from which command.
