Re: pdumper bootstrap error

[Alan Third]

On Sun, Jan 20, 2019 at 10:57:43AM +0000, Alan Third wrote:
> On Sat, Jan 19, 2019 at 02:52:04PM -0800, Paul Eggert wrote:
> > Alan Third wrote:
> > > I think I must be doing something wrong, because I’m randomly getting
> > > errors like this:
> > > 
> > >    GEN      loaddefs.el
> > > desired fingerprint: 
> > > 9085c29485c3842b30a84ab3d55121be1b04f8aea81a5273ff244956164833a5
> > > found fingerprint: 
> > > bc058dbc261d383930761d6e2df83fee5bba2b36bab3d69333b2f5c09c6bfc64
> > > emacs: could not load dump file "../src/bootstrap-emacs.pdmp": not built 
> > > for this Emacs executable
> > 
> > Most likely you're not doing anything wrong, it's more likely that something
> > is going haywire with our tricky way of bootstrapping; see the extensive
> > comments before the "$(lispsource)/loaddefs.el:" line in src/Makefile.in.
> > Unfortunately it's a lot easier to debug this problem if you have it, which
> > I don't.
> 
> I know very little about make or how this works, but I think this
> maybe fixes it:
> 
> modified   src/Makefile.in
> @@ -565,6 +565,7 @@ emacs$(EXEEXT):
>       cp -f $@ bootstrap-emacs$(EXEEXT)
>  else
>       rm -f $@ && cp -f temacs$(EXEEXT) $@
> +     cp -f $@ bootstrap-emacs$(EXEEXT)
>  endif
>  
>  ifeq ($(DUMPING),pdumper)
> 
> The next block copies the pdmp file, but this one doesn’t seem to copy
> the exe.

Since nobody has said this is obviously wrong, and I haven’t yet seen
the error again, I’ve pushed this to master.
-- 
Alan Third