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Re: bootstrap compiles C files twice

From: Eli Zaretskii
Subject: Re: bootstrap compiles C files twice
Date: Tue, 03 Jun 2008 23:23:19 +0300

> From: Glenn Morris <address@hidden>
> Cc: Jason Rumney <address@hidden>,  address@hidden
> Date: Tue, 03 Jun 2008 14:40:54 -0400
> Eli Zaretskii wrote:
> > It used to be on all platforms, but I see that the compiler switch to
> > set PURESIZE to a very large value was removed on Posix systems.  I
> > guess they don't care about pure space overflow in bootstrap-emacs?
> > If that's true, then we do need to rebuild with correct pure size once
> > the *.el files are compiled and bootstrap-emacs can be tossed.
> I see PURESIZE being messed about with in src/makefile.w32-in, but it
> has not been in src/Makefile.in since rev 1.251, over six years ago.
> > Yes, but do we really want to maintain a list of those who do depend
> > on the pure size?
> It looks like there is absolutely no need.
> Since the top-level Makefile.in is not used by the Windows build (?),
> there seems no reason to compile all the C files twice.

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.

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