owl-dev - Re: gcc 4.6.1

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Message-ID: <20111016170031.GA28409@openwall.com>
Date: Sun, 16 Oct 2011 21:00:31 +0400
From: Solar Designer <solar@...nwall.com>
To: owl-dev@...ts.openwall.com
Subject: Re: gcc 4.6.1

Vasiliy,

On Sun, Oct 16, 2011 at 08:23:39PM +0400, Vasiliy Kulikov wrote:
> On Sun, Oct 16, 2011 at 20:12 +0400, Solar Designer wrote:
> > Given your recent commits, what's the readiness status for Owl moving to
> > gcc 4.6.1?  What packages still fail to build, if any?
> 
> In the first buildworld run all packages are buildable on x86_64.  On
> i386 glibc still fails (an assembler issue).
> 
> 
> > Are there any known runtime issues with Owl packages rebuilt with gcc
> > 4.6.1?
> 
> Currently the rebuilded groff segfaults.  The issue is somewhere in glibc
> symbol table (__sincos() calls itself forever).  I'm afraid there will
> be more such weird issues - we should update glibc itself soon.
> 
> I'll likely change glibc fix - patch "inline" instances instead of
> passing -fgnu89-inline in CFLAGS.

Actually, you must revise the glibc fix.  I can't even reasonably
distworld the current fix because it broke builds with gcc 3.4.5, which
does not recognize -fgnu89-inline.

Since this stuff is not distworld'ed, you may revise the fix without
updating the Release number and adding a new %changelog entry - just
revise the existing entry.

> >  And what testing did you perform?  Perhaps just multiple
> > buildworld iterations?
> 
> Yes, I'll test it this way.
> 
> 
> > Also, can you please post your updated gcc.spec, along with info on any
> > issues with it (what you think remains to be done, etc.) such that we
> > can prepare it for commit?  Are you packaging gcc's new files, such as
> > the libgomp stuff?
> 
> I'll post spec files tomorrow (there are minor issues I'll fix myself).

Sounds good.

Thanks,

Alexander

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