Error when building Embedded T2 for Powerpc64

[lai wei]

Hi All,
I want to build a embedded system for
powerpc64(ppc64), and got the following error when
cross-compiling gcc 4.2.3:

In file included from
../../gcc/config/rs6000/ppc64-fp.c:35:
../../gcc/config/fp-bit.h:100: error: unable to
emulate 'TF'

Someone could help me?
Lai


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[Rene Rebe]

Hi,

On 08.04.2008, at 17:38, lai wei wrote:

> Hi All,
> I want to build a embedded system for
> powerpc64(ppc64), and got the following error when
> cross-compiling gcc 4.2.3:
>
> In file included from
> ../../gcc/config/rs6000/ppc64-fp.c:35:
> ../../gcc/config/fp-bit.h:100: error: unable to
> emulate 'TF'
>
> Someone could help me?

I can confirm the error, as our (ExactCODE) PowerPC64 production
system just build all the last years I have the feeling that this is a
uClibC related PPC64 issue. I guess noone here used or tested
uClibC with PPC64 so far.

If you do not need uClibC you could either switch to dietlibc (which I
know works with PowerPC64) or the regular glibc, e.g. cross build
the generic T2 target.

In any case I put this issue on my TODO and will review as soon
as possible.

Yours,

--
   René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
   http://exactcode.de | http://t2-project.org | http://rene.rebe.name


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[lai wei]

Hi Rene:
I have tried also with glibc (generic), and got the
same error.
btw, ho can I switch to dietlibc?
Cheers
Lai

--- Rene Rebe <rene@...> wrote:

> Hi,
>
> On 08.04.2008, at 17:38, lai wei wrote:
>
> > Hi All,
> > I want to build a embedded system for
> > powerpc64(ppc64), and got the following error when
> > cross-compiling gcc 4.2.3:
> >
> > In file included from
> > ../../gcc/config/rs6000/ppc64-fp.c:35:
> > ../../gcc/config/fp-bit.h:100: error: unable to
> > emulate 'TF'
> >
> > Someone could help me?
>
> I can confirm the error, as our (ExactCODE)
> PowerPC64 production
> system just build all the last years I have the
> feeling that this is a
> uClibC related PPC64 issue. I guess noone here used
> or tested
> uClibC with PPC64 so far.
>
> If you do not need uClibC you could either switch to
> dietlibc (which I
> know works with PowerPC64) or the regular glibc,
> e.g. cross build
> the generic T2 target.
>
> In any case I put this issue on my TODO and will
> review as soon
> as possible.
>
> Yours,
>
> --
>    René Rebe - ExactCODE GmbH - Europe, Germany,
> Berlin
>    http://exactcode.de | http://t2-project.org |
> http://rene.rebe.name
>
>

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[Rene Rebe]

HI,

On 10.04.2008, at 11:51, lai wei wrote:

> Hi Rene:
> I have tried also with glibc (generic), and got the
> same error.

Stange, glibc works in our production stuff. I'll definitely
take a closer look later today / tonight.

> btw, ho can I switch to dietlibc?

Either in the embedded target by selecting the dietlibc style
or in most generic targets in the expert section under the
system c library option.

> Cheers
> Lai
>
> --- Rene Rebe <rene@...> wrote:
>
>> Hi,
>>
>> On 08.04.2008, at 17:38, lai wei wrote:
>>
>>> Hi All,
>>> I want to build a embedded system for
>>> powerpc64(ppc64), and got the following error when
>>> cross-compiling gcc 4.2.3:
>>>
>>> In file included from
>>> ../../gcc/config/rs6000/ppc64-fp.c:35:
>>> ../../gcc/config/fp-bit.h:100: error: unable to
>>> emulate 'TF'
>>>
>>> Someone could help me?
>>
>> I can confirm the error, as our (ExactCODE)
>> PowerPC64 production
>> system just build all the last years I have the
>> feeling that this is a
>> uClibC related PPC64 issue. I guess noone here used
>> or tested
>> uClibC with PPC64 so far.
>>
>> If you do not need uClibC you could either switch to
>> dietlibc (which I
>> know works with PowerPC64) or the regular glibc,
>> e.g. cross build
>> the generic T2 target.
>>
>> In any case I put this issue on my TODO and will
>> review as soon
>> as possible.
>>
>> Yours,
>>
>> --
>>   René Rebe - ExactCODE GmbH - Europe, Germany,
>> Berlin
>>   http://exactcode.de | http://t2-project.org |
>> http://rene.rebe.name
>>
>>
>
>
> __________________________________________________
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> Tired of spam?  Yahoo! Mail has the best spam protection around
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--
   René Rebe - ExactCODE GmbH - Europe, Germany, Berlin
   Geschäftsführer: Susanne Klaus, René Rebe
   Sitz: Berlin, Amtsgericht Charlottenburg HRB 105 123 B
   USt-IdNr.: DE251602478
   http://exactcode.de | http://t2-project.org | http://rene.rebe.name


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