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Re: pdumper bootstrap error

From: Alan Third
Subject: Re: pdumper bootstrap error
Date: Sun, 20 Jan 2019 10:57:43 +0000
User-agent: Mutt/1.10.1 (2018-07-13)

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)
        rm -f $@ && cp -f temacs$(EXEEXT) $@
+       cp -f $@ bootstrap-emacs$(EXEEXT)
 ifeq ($(DUMPING),pdumper)

The next block copies the pdmp file, but this one doesn’t seem to copy
the exe.
Alan Third

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