From: Alan Modra <amodra@bigpond.net.au>
To: Geoff Keating <geoffk@desire.geoffk.org>
Cc: ksp@securelogix.com, dje@watson.ibm.com,
binutils@sources.redhat.com, bug-binutils@gnu.org
Subject: Re: Powerpc Linux build fails
Date: Wed, 19 May 2004 05:10:00 -0000 [thread overview]
Message-ID: <20040519051040.GD12690@bubble.modra.org> (raw)
In-Reply-To: <200405190427.i4J4RYiU027950@desire.geoffk.org>
On Tue, May 18, 2004 at 09:27:34PM -0700, Geoff Keating wrote:
> I am not sure about this new -mstrict. I am sure someone is expecting
> -mpower3 to really mean 'power3 only' and will get a nasty surprise
> when they use a power4 instruction by mistake and their program
> crashes.
Probably true. However, the feedback I'm getting at the moment is that
it's a nasty surprise that the Linux kernel doesn't compile.. The same
goes for current powerpc64 glibc with VMX extensions.
> It is perfectly acceptable to say "GAS version X will only work with
> GCC version > Y". People using old GCC can always use old binutils
> with it. (They can also hack their specs file to pass -many, if
> that's what they really want.)
>
> The fully-correct way to do this is to have GCC generate a directive
> after option parsing, like '.machine 7400' or so, and have GAS
> interpret it, otherwise you end up in specs hell. (Doesn't ppc gas
> already have a directive like that? I seem to remember seeing such a
> patch fly by...)
Yes, .machine was implemented 2003-11-22.
--
Alan Modra
IBM OzLabs - Linux Technology Centre
next prev parent reply other threads:[~2004-05-19 5:10 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3A3FC75F7C72D711A7DC009027AC9C4B1788D9@jupiter>
2004-05-19 3:30 ` Alan Modra
2004-05-19 4:27 ` Geoff Keating
2004-05-19 5:10 ` Alan Modra [this message]
2004-05-19 16:24 ` Kumar Gala
2004-05-20 0:44 ` Alan Modra
[not found] <44D2755E.9020600@us.ibm.com>
2006-08-04 1:30 ` Link problems with section anchors Alan Modra
2006-08-04 9:04 ` Richard Sandiford
2006-08-04 13:53 ` Steven Munroe
2006-08-04 13:54 ` David Edelsohn
2006-08-04 14:01 ` Richard Sandiford
2006-08-04 14:12 ` David Edelsohn
[not found] <087e01c3b5da$77d658e0$0202040a@catdog>
2003-11-29 1:42 ` ppc problem with .rodata.str1.4. binutils requirement for gcc 3.3.1? Alan Modra
2003-11-29 18:14 ` Kris Warkentin
2001-12-31 19:09 Compiling kernel 2.4.17 fails at link stage Krishnakumar B
2002-01-04 3:50 ` Alan Modra
2002-01-04 12:39 ` [Linux-ia64] " Alan Modra
-- strict thread matches above, loose matches on Subject: below --
2001-10-24 18:26 Release 2.12 Hans-Peter Nilsson
2001-10-24 18:38 ` Alan Modra
2001-10-24 18:43 ` David O'Brien
2001-10-24 19:30 ` Alan Modra
2001-10-24 19:35 ` MMIX (was: Re: Release 2.12) Hans-Peter Nilsson
2001-10-24 21:45 ` Release 2.12 Eric Christopher
2001-10-25 8:41 ` H . J . Lu
2001-10-25 8:47 ` H . J . Lu
2001-10-24 18:49 ` Daniel Jacobowitz
2001-10-24 19:43 ` Alan Modra
2001-10-24 20:10 ` Daniel Jacobowitz
2001-10-24 20:35 ` Alan Modra
2001-10-24 20:44 ` Daniel Jacobowitz
2001-10-25 5:09 ` Christopher C. Chimelis
2001-10-25 1:56 ` Philip Blundell
2001-10-25 8:30 ` H . J . Lu
2001-10-25 8:47 ` David O'Brien
[not found] ` <amodra@bigpond.net.au>
2002-01-04 17:42 ` [Linux-ia64] Compiling kernel 2.4.17 fails at link stage Grant Grundler
2002-01-04 17:59 ` H . J . Lu
2002-01-04 20:37 ` Grant Grundler
2002-01-04 22:39 ` H . J . Lu
2002-01-07 12:52 ` Grant Grundler
2002-01-04 19:21 ` Alan Modra
2003-11-29 2:33 ` ppc problem with .rodata.str1.4. binutils requirement for gcc 3.3.1? David Edelsohn
2003-11-29 3:05 ` Alan Modra
2003-11-29 4:06 ` David Edelsohn
2003-11-29 4:10 ` Andrew Pinski
2003-11-29 4:20 ` David Edelsohn
2003-11-29 6:47 ` Alan Modra
2003-11-29 19:40 ` David Edelsohn
2004-05-19 15:19 ` Powerpc Linux build fails David Edelsohn
2004-05-20 0:39 ` Alan Modra
2004-05-20 1:24 ` Alan Modra
2004-05-20 1:46 ` Alan Modra
2004-05-20 2:29 ` David Edelsohn
2004-05-20 3:10 ` Alan Modra
2006-08-04 1:49 ` Link problems with section anchors David Edelsohn
2006-08-04 2:04 ` Alan Modra
2001-10-24 19:37 ` Release 2.12 Russ Allbery
2001-10-24 19:52 ` Alan Modra
2001-10-25 0:46 ` H . J . Lu
2001-10-25 8:57 ` David O'Brien
2001-10-25 9:38 ` H . J . Lu
2001-10-25 9:44 ` H . J . Lu
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