On Mon, 29 Jul 2002 05:02:23 +0100
Paul Kelly claiming to think:
> Matthew French wrote:
> >>Happiness was restored to the world with gcc 2.95 and later.
> > I do not have the time to follow the compiler "wars", but I notice that I
> > must use egcs to build 64 bit SPARC code.
>
> 2.95 was where the reintegration effort started and work on the other
> projects fell away. 3.0 was the target for completion of that work.
>
> > GCC 3 should do it, but because it is so "buggy"[1] it is not worth trying
> > to use unless you really want to track down those compiler errors... :(
>
> A lot of those problems seem to have been shaken out by Redhat's ballsy
> gcc 2.96 stunt. I've been trying out RedHat Limbo for a few weeks now,
> equipped with gcc 3.1. I haven't fallen foul of compiler issue so far,
> that I'm aware of anyhow. That said I'm glad I don't do much C++ - seems
> pretty much every version of gcc (2.95, 2.96, 3.0, 3.1, and the
> forthcoming 3.2) breaks C++ binary compatibility in some way or other.
>
diary.codemonkey.org.uk [Dave Jones]:
Got a mail from Neil telling me about some whizzy new warnings in the cvs
version of gcc. Pulled it and spent a while playing with gcc, and after a
few false starts got it to spit out a bunch of warnings when compiling the
kernel. There's a boatload of stuff that still needs cleaning up for 2.5
(Things like __FUNCTION__ abuse and the like). 2.4 doesn't even compile due
to broken asm constraints and other such sillies. As 3.x isn't a recommended
compiler for 2.4, this isn't too important just yet. As more and more archs
start using 3.x for their standard compiler though, we should clean up some
of this stuff for 2.5. The new warning Neil tipped me off about
(-Wunused-macros) turns out far too much crap. From what I looked at,
it was correct in most cases, and yes there were macros being defined
but being unused. Cleaning them up however creates a maintenance nightmare
for anyone with patches in those areas already. (This sort of cleanup
particularly hurts people like myself who have huge patches touching large
parts of the tree). The recent gcc->c99 struct initialisers patch for instance
made large parts of my tree reject. With more to come, the fun isn't over yet either.
that is the CVS version, but it seems that more breakage is to come with the
kernel :(
(Everyone will want to compile their machine on the latest greatest... I think
they eventually persuaded Compaq's compiler to compile the kernel)...
L.
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