Re: Hints on reconfiguring GCC

[R jd <3246251196ryan@gmail.com>]

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Hi all,,

I should have followed up. After not applying the patches and attempting
what I did, I also saw no changes. So, it is a sync issue with the patches.

Thank you.

I guess I can ask, why there is not a recursive approach for configuring
GCC. e.g. AC_SUBDIRS in the top level?

Anyway, this problem was solved.

On Wed, 18 Oct 2023, 13:55 Thomas Schwinge, <thomas@codesourcery.com> wrote:

> Hi Ryan!
>
> In addition to what Iain said:
>
> On 2023-10-15T14:00:47+0100, Iain Sandoe <iain@sandoe.co.uk> wrote:
> >> On 15 Oct 2023, at 13:40, R jd <3246251196ryan@gmail.com> wrote:
> >> I am part of a team that ensures that GCC is ported for AmigaOS4 and
> the next generation hardware.
> >
> > :-)
>
> :-)
>
> >> My question is in regards to the GCC repository (
> https://github.com/gcc-mirror/gcc) at the time of commit id:
> 2d280e7eafc086e9df85f50ed1a6526d6a3a204d (GCC 11).
>
> ... which is the GCC 11.3 release.
>
> >> I am trying to make a change to libstdc++-v3's crossconfig.m4 file
> which defines some things that are used in configure.ac which, in turn,
> generates the configure file.
> >>
> >> I have built from source AUTOCONF 2.69 and AUTOMAKE 1.15.1 which seem
> to be the correct versions at the time. I have prepended the binary
> locations to my PATH.
> >>
> >> Before making my desired change, if I go into libstdc++-v3 and just run
> "autoreconf" I see that "configure" has changed. I would have expected no
> change.
> >
> > First, I would take a look at what kinds of change have been made to
> configure - it’s not impossible for things to get out of sync.  If it’s
> just script line numbers, for example, you can probably carry on with your
> changes.
> >
> > I tend to use “autoreconf -fv” (but the basic principle is much the same)
>
> I've quickly tried myself, and (as should be) do not see any differences
> in the generated files: neither for 'autoconf -f' nor 'autoreconf -f'.
> (The latter indeed is what you should use.)
>
> >> For more information you can also see:
> https://github.com/sba1/adtools/pull/149.
>
> I didn't read that one in detail, but saw mentioned "other patches" -- is
> it probably the case that some earlier patch has not properly regenerated
> files?
>
>
> Grüße
>  Thomas
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