bug#43725: 28.0.50; Include feature/native-comp into master

[Andrea Corallo]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> I haven't gotten very far in reviewing the patch set (because it's very
> large), and I don't have any comments so far (because it all looks very
> good :-)).  Just two minor comments on building and running:
>
> If libgccjit isn't installed, configure says this:
>
> checking for dlfunc... no
> configure: error: Installed libgccjit has failed passing the smoke test.
> You can verify it yourself compiling:
> <https://gcc.gnu.org/onlinedocs/jit/intro/tutorial01.html>.
> Please report the issue to your distribution.
> Here instructions on how to compile and install libgccjit from source:
> <https://gcc.gnu.org/wiki/JIT>.
>
> Instead of saying that it isn't installed.
>
> Also -- starting Emacs says "Compilation started.", and it seems like
> it'll say that now and then when using Emacs, too.

Hi Lars,

thanks for commenting, I pushed bd27257965 and 58d85f4dbb to address
your two suggestions.

  Andrea