Subject: Re: 'gcc-3.3 -frename-registers' segv on building perl-5.8
To: Frederick Bruckman <fredb@immanent.net>
From: David Brownlee <abs@netbsd.org>
List: tech-toolchain
Date: 06/08/2003 18:50:56
On Sun, 8 Jun 2003, Frederick Bruckman wrote:

> On Sat, 7 Jun 2003, David Brownlee wrote:
>
> > On Tue, 3 Jun 2003, David Brownlee wrote:
> >
> > > 	The plot (or possibly the smoke) thickens: gcc-3.3 from outside
> > > 	pkgsrc builds perl-5.8 outside pkgsrc fine with '-O3 -march=k6-2'.
> > > 	Next to try a pkgsrc gcc-3.3 building a non pkgsrc perl-5.8...
> >
> > 	The problem is completely unrelated to -march=XXX flags.
> > 	The following will fail to compile perl-5.8 - the critical
> > 	option is -Duseshrplib to build a shared libperl combined
> > 	with -frename-registers.
> >
> > 	Both gcc and perl built outside pkgsrc.
> >
> > /usr/bin/env CFLAGS="-O1 -frename-registers" ./Configure -sde \
> > 	-Doptimize="-O1 -frename-registers" -Dcc="/gcc/bin/cc" -Duseshrplib
> > /usr/bin/env CC="/gcc/bin/cc" CFLAGS="-O1 -frename-registers" make
>
> Does it help to upgrade to binutils 2.13.2.1? According to this...
>
>   http://gcc.gnu.org/bugzilla/show_bug.cgi?id=10877
>
> the fix is to use binutils newer than 2.12.90. NetBSD 1.6 is shipping
> with binutils 2.11.2. They also say that -fno-rename-registers may not
> work around the bug in all cases.
>
> I'll look into updating the binutils package, and making the gcc3
> package use them. Assuming that's the problem, this isn't an issue for
> the base toolchain at all.

	It seems to happen in fewer cases (if at all) in 1.6T, so that
	would certainly be consistent. Thanks :)

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		David/absolute          -- www.netbsd.org: No hype required --