crosstool and uclibc

[Dan Kegel]

Peter van Swieten [prive] wrote:
>>>Can you tell me what my best chance is for building gcc/uClibc for
>>>ppc405?
>> 
>> [http://mvpmc.sourceforge.net/dl/mvpmc_toolchain.tar.gz]
> 
> I have tried the suggested mvpmc_toolchain.tar.gz and it succesfully
> builds a uClibc gcc version. A simple hello world program works.
> 
> Building busybox is succesfull too.
> 
> Using busybox is something else. It regularly generates "illegal
> instruction". I tried building with another combination of GCC/GLIBC. Same
> problem. Looks like GCC 3.3.xx generates opcodes for PPC that are not in
> my 405 even though I specified 405.

Which version of busybox did you build?  How did you build it?

> I also noted that crossbuilding is heavily dependant on the Linux
> distribution used. 

It should not be.   Crossbuilding should be totally independent
of the distribution you're running.

>>>>>Can you tell me what my best chance is for building gcc/uClibc for
>>>>>ppc405?
>>>>
>>>>Get http://www.kegel.com/crosstool/crosstool-0.28-rc5.tar.gz
>>>>unpack it
>>>>patch it with
>>>>http://www.kegel.com/crosstool/crosstool-0.28-rc36/contrib/crosstool-uclibc-0.28-rc5-ter.patch
>>>>
>>>>Don't know if it'll work properly for ppc405, but it's worth a shot.
>>>
>>>There's a script @ http://mvpmc.sourceforge.net/idx.php?pg=faq#q3 which
>>>will
>>>automatically build a gcc crosscompiler for uclibc on ppc405.
>>
>>Thanks for the tip.  That FAQ points to
>>http://mvpmc.sourceforge.net/dl/mvpmc_toolchain.tar.gz
>>Turns out that script automates exactly what I described!
>>It adds two things: a patch for uClibc, and a config file
>>for uClibc.  Those might come in handy when we bring crosstool up to date
>>for uclibc.
>>- Dan
>>
>>--
>>My technical stuff: http://kegel.com
>>My politics: see http://www.misleader.org for examples of why I'm for
>>regime change
>>
>>
> 
> 
> 


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