Re: Speeding up the bootstrap build - a quick hack.

[Alan Mackenzie]

Hello, Robert.

On Thu, Jan 20, 2022 at 15:54:29 +0100, Robert Pluim wrote:
> >>>>> On Thu, 20 Jan 2022 14:18:15 +0100, Robert Pluim <rpluim@gmail.com> 
> >>>>> said:

> >>>>> On Thu, 20 Jan 2022 11:35:17 +0000, Alan Mackenzie <acm@muc.de> said:
>     Alan> Thank you indeed.  That's exactly what I needed.  I've amended my 
> patch to use
>     Alan> this.

>     Alan> So, if there are no objections, I'll be committing the following to
>     Alan> master within the next day or so:

>     Robert> I think it could be improved further to avoid having two sub-make
>     Robert> invocations (and remove the need for ANCIENT), but that would be a
>     Robert> bigger and finicky change, so I say go ahead with this for now.

> One small issue. I have

> make --version
> GNU Make 4.3
> Built for x86_64-pc-linux-gnu

> which gives me:

> touch -t 197001010000 emacs-lisp/macroexp.elc
> make[2]: emacs-lisp/macroexp.elc: Timestamp out of range; substituting 
> 2514-05-30 03:53:03.999999999

That's very strange.  It looks like a funny overflow, or something.
Never mind, it's not too important.  But thanks for the heads up.

> Using '197101010000' instead causes no diagnostics.

197101010000 it is then!

I've just committed it.

> Robert
> -- 

-- 
Alan Mackenzie (Nuremberg, Germany).