arm-unknown-linux-gnueabi ABI selection

[Michael Abbott]

On Sun, 31 Aug 2008, Marc Kleine-Budde wrote:
> Just a simple question, why are you fiddeling around with --with-abi or
> -mabi flags in the first place?

Because they control the building of the toolchain (or at least that's how 
I understand it).

> If a toolchain target touple is "arm-unknown-linux-gnu" the toolchain 
> becomes an oabi (old ABI) toolchain, whereas 
> "arm-whatever-linux-gnueabi" produces an eabi toolchain. Magically, no 
> need for these manual flags.

I don't really understand this remark (and it's not true, as my messages 
have documented).  "Magically" indeed!

Maybe you mean why am I looking at these flags when they're supposed to be 
managed inside the crosstool builder?  Perfectly reasonable question, but 
the answer's rather obvious: because the crosstool builder doesn't 
actually work (for me, as I've documented)!

In case it's not clear, I'm talking about Yann Morin's crosstool-ng (I 
don't know if this list covers other crosstool builders?

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