Makeinfo generates wrong link

[Jonathan Wakely]

On Mon, 3 Oct 2022 at 07:01, Gavin Smith via Gcc <gcc@gcc.gnu.org> wrote:
>
> On Sun, Oct 02, 2022 at 09:06:06PM -0400, Richard Stallman wrote:
> > generates the following output:
> >
> >     <li> Some macros are predefined on each kind of machine
> >     (see <a href="https://gcc.gnu.org/onlinedocs/gcc/System_002dspecific-Predefined-Macros.html#System_002dspecific-Predefined-Macros">System-specific Predefined Macros</a> in <cite>Using the GNU Compiler
> >     Collection</cite>).  This allows you to provide code specially tuned for a
> >     particular machine.
> >
> > but that link is broken.  The OP suggests this link
> >
> > https://gcc.gnu.org/onlinedocs/gcc-4.8.5/cpp/System-specific-Predefined-Macros.html
> >
> > may be correct.
> >
> > Where do those directory names come from?  Is there a table in makeinfo
> > that needs to be updated?
>
>
> It comes from the htmlxref.cnf file.  (It may be installed under
> /usr/share/texinfo/.) The link produced above matches the
> current entry for the "gcc" manual in that file.
>
> Changing that file would change the link, e.g.
>
> --- a/util/htmlxref.cnf
> +++ b/util/htmlxref.cnf
> @@ -340,7 +340,7 @@ gcal                mono    ${GS}/gcal/manual/gcal.html
>  gcal           node    ${GS}/gcal/manual/html_node/
>
>  GCC = https://gcc.gnu.org/onlinedocs
> -gcc            node    ${GCC}/gcc/
> +gcc            node    ${GCC}/gcc-4.8.5/
>   cpp           node    ${GCC}/cpp/
>   gfortran      node    ${GCC}/gfortran/
>   gnat_rm       node    ${GCC}/gnat_rm/
>
>
> However, it's wrong to make it link to a specific version.
>
> The gcc developers need to provide a stable, version-independent link
> for the manual.  This link would have worked in the past, but I don't
> know how recently it broke.

The URL https://gcc.gnu.org/onlinedocs/cpp/System-specific-Predefined-Macros.html
has been stable for many years.


>
> I'm attempting to CC the gcc mailing list stated on their documentation page
> to see if anyone there can give any information.