iWMMXt Linux EABI cross toolchain

[Khem Raj]

Steven Newbury said the following on 03/03/2006 02:33 AM:
> --- Mike Frysinger <vapier@gentoo.org> wrote:
>
>   
>> On Thursday 02 March 2006 23:59, Steven Newbury wrote:
>>     
>>> --- Mike Frysinger <vapier@gentoo.org> wrote:
>>>       
>>>> On Thursday 02 March 2006 23:15, Steven Newbury wrote:
>>>>         
>>>>> OK I think I might have solved this.  The toolchain.eclass script was
>>>>> enabling all languages when the glibc headers are present rather than
>>>>> when glibc has been built.  When the configure script detects that c++
>>>>> is a selected language it adds -shared-libgcc to the xgcc CFLAGS!
>>>>>           
>>>> err, what ?  toolchain.eclass ?  you're using Gentoo ?
>>>>         
>>> Yes! I'm using gentoo! :-) I have now got cross-gcc compiled with threads
>>> so I should be able to build glibc (nptlonly) now fingers crossed.. I
>>> couldn't get it to build without threads.  Hopefully I'll have more luck
>>> now..
>>>       
>> well you should have said so in the first place, i would have probably paid a
>>
>> bit more attention as to what's going on
>>
>> how are you installing your cross-compiler ?  did you use crossdev or are you
>>
>> emerging stuff by yourself ?  arm/nptl doesnt exist in any of the current 
>> Gentoo glibc ebuilds and i dont really plan on backporting anything ...
>>     
> That's no problem, I've created an overlay and using CVS HEAD
> binutils/gcc/glibc.  AFAIK it's the only place with everything in.  I'm
> emerging it all myself.
>
>
> Seems glibc doesn't want to enable nptl for plain arm-* which it has wrongly
> determined I'm using... I am using --with-cpu=iwmmxt --with-arch=iwmmxt
> --with-abi=iwmmxt, it is of armv5e compatible.
>   
you should remove --with-abi=iwmmxt if you want a full EABI toolchain. 
this option enables IWMMXT EABI which is somewhere inbetween EABI and 
good old ARM ATPCS in addition you should select target as one of 
arm-*-*-*eabi target in order to let configury know that you want an 
EABI toolchain.
>
> Steve
>
>
> 		
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