crosstool build matrix ambiguity

[Allan Clark]

Dan Kegel wrote:

> Robert P. J. Day wrote:
>
>>   one detail about the build matrix i thought i'd mention -- just to
>> push the envelope, i'm doing my SH3 builds with the gcc-4.0.0 preview
>> host compiler on my FC4t2 system, while i'm assuming most folks are
>> using the more common gcc-3.4.3 or something like that.
>>
>>   the build matrix doesn't take this into account.  does this matter?
>
>
> Not usually.  There is one combination that doesn't
> build on Red Hat 7.1; see http://gcc.gnu.org/PR9552
> and the mention of PR9552 in crosstool-howto.html.
> Other than that I haven't seen any strange problems
> based on what Linux distro you build crosstool with. 

Is there a difference whether I build a toolchain with linux headers 
from 2.4.19 versus one with headers from 2.6.12?

I ask this question to make a point: should the TOOLCHAIN variable be 
expanded to include kernel version as well?  
gcc-3.4.3-glibc-2.2.5-linux-2.4.19 ?

Allan


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