Re: undefined reference to `copysignl' with uclibc on powerpc

[Doug Crawford <dcraw101 at yahoo dot com>]

Ok, well thanks for the suggestion.? Creating new patches for this is a bit 
beyond me.? I can build gcc 4.4 instead thanks to your recent patch to allow the 
Graphite loop optimization to be disabled.? I was reallly hoping gcc 4.5.1 would 
work since the?ppl and cloog libraries are building fine on cygwin with gcc 
4.5.1 (I have to disbale these companion libraries on gcc 4.4 with Cygwin).

Doug



----- Original Message ----
From: Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
To: crossgcc@sourceware.org
Cc: Doug Crawford <dcraw101@yahoo.com>
Sent: Wed, September 29, 2010 9:07:49 AM
Subject: Re: undefined reference to `copysignl' with uclibc on powerpc

All,

On Wednesday 29 September 2010 18:00:58 Doug Crawford wrote:
> I have this error in the libgomp configure.log when building gcc 4.5.1 with 
> uclibc for powerpc.? From an earlier post I believe the issue?is copysignl is 
> defined in libm rather than libc for uclibc.? But, I did not see any 
> resolution.? Does anybody have a suggestion for this problem?

Please see: http://gcc.gnu.org/ml/gcc-patches/2008-10/msg00237.html
The patch has not been ported to gcc-4.5 yet.

And because of the recent flamewar on patches, I'm reluctant to add it myself
(which makes gcc-4.5 almost un-buildable for now, which is why it is still
marked as being 'EXPERIMENTAL' in crosstool-NG)... :-/

Regards,
Yann E. MORIN.

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