unreachable intro to gcc page linked to on readings page

[Jonathan Wakely]

On Sun, 7 Aug 2022 at 09:33, Van Ly via Gcc <gcc@gcc.gnu.org> wrote:
>
>
> Hello,
>
> On the readings page
>
>   . https://gcc.gnu.org/readings.html
>
> a broken link points to
>
>   An introduction to GCC by Brian J. Gough.
>   . http://www.network-theory.co.uk/gcc/intro/
>
> which has a copy at
>
>   . https://web.archive.org/web/20060106062936/http://www.network-theory.co.uk/gcc/intro/

Thanks for letting us know.

There are much more recent archived copies like
https://web.archive.org/web/20181113021321/http://www.network-theory.co.uk/gcc/intro/
I'm not sure it's worth updating the link to an archived copy of that
page, because all the links for buying a PDF or printed copy are
probably dead now anyway.

We could link to https://archive.org/details/B-001-002-835 instead, or
to the archived HTML version. The newest capture of the HTML version
seems to be this, although I didn't check that all pages are archived:
https://web.archive.org/web/20181206025406/http://www.network-theory.co.uk/docs/gccintro/
My preference would be to link to that latter. Although it's quite
dated, the sections on basic compilation and compiler flags are still
relevant for beginners.

Gerald?