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Re: bootstrap compiles C files twice

From: Glenn Morris
Subject: Re: bootstrap compiles C files twice
Date: Tue, 03 Jun 2008 18:18:54 -0400
User-agent: Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)

Eli Zaretskii wrote:

> See my remarks above about overflowing the pure storage while building
> bootstrap-emacs.  I'd advise to understand that issue and its
> implications first, before we eliminate the second compilation.  But
> that's me.

I don't understand what your point is.

I'm talking about re-using temacs, not the dumped emacs it creates.

Currently, we compile src/*.c to *.o, then link to make temacs. And we
do this twice. Each time is absolutely identical. I have checked this
by diffing the relevant section of the build logs, and the *.o and
temacs files generated each time.

I can see that in makefile.w32-in, you use a different PURESPACE
option to build bootstrap-temacs; but as I said, this has not been
true for six years in Makefile.in. I have no interest in making any
changes to makefile.w32-in. Perhaps you mean Makefile.in might have
been doing it wrong for six years?

The cross-compile argument would make sense to me, but Dan says it
doesn't work anyway.

Apologies if I have the wrong end of the stick...

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