GCC documentation: porting to Sphinx

[Martin Liška]

On 6/10/21 11:07 AM, Martin Liška wrote:
> Doing that, one has 2 unique links, that would be needed for get_option_url function.
> Plus, both :option:`-Wfoo` and :option:`-Wno-foo` references are going to work.

And I've actually did the transformation and one can see it e.g. here:
https://splichal.eu/scripts/sphinx/gcc/_build/html/gcc-command-options/options-to-request-or-suppress-warnings.html#cmdoption-Wprio-ctor-dtor

Martin