Re: build broken: no defun org-float-time. Who's guilty, and what does he propose?

[Eli Zaretskii]

> From: Ken Raeburn <address@hidden>
> Date: Tue, 8 Sep 2009 03:54:28 -0400
> Cc: address@hidden
> 
> On Sep 7, 2009, at 23:20, Eli Zaretskii wrote:
> >> But if a minor comment change is made in the compiler source, must we
> >> recompile everything?
> >
> > Yes, why not?
> 
> Excessive time spent rebuilding things that aren't going to change?

This is why we want to avoid it as much as possible.  What I asked is
why do you think we might be able to get away without it.

> >> We don't generally make .o files explicitly depend on the C
> >> compiler.
> >
> > If a compiler can change the ABI, you must.
> 
> True.  Is that something we need to worry about with Emacs?  It's  
> changed a handful of times in the history of Emacs, but hasn't it  
> generally been backwards-compatible?

Mostly yes, but if you want to be sure...