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Re: PowerPC E500 port


On Tue, 9 Oct 2007, Steven Munroe wrote:

> run on a power6). As Roland's note suggests, --with-cpu should not
> change the ABI.

--with-cpu wasn't my suggestion.  I was proposing that preconfigure 
*detect* the ABI - which is what the compiler specified to configure uses 
and can't be further changed by how glibc is configured with other 
configure options - and follow the ABI the compiler is using.  If you want 
the E500 ABI details, configure with a compiler using them; if you don't, 
configure with a non-E500 compiler.  Just like trying to build a 
soft-float glibc with a hard-float compiler or vice versa, things will 
only go wrong if glibc is configured inconsistently with the compiler.

-- 
Joseph S. Myers
joseph@codesourcery.com


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