[cfe-commits] [PATCH] Driver modifications for cross compilation

[Eric Christopher]

On Jul 12, 2011, at 6:54 PM, Chris Lattner wrote:

> +1, but should -target be -triple?  We can use -target when we have some target/toolchain description mechanism.
> 

I'm ok here either way. Daniel had expressed a desire for -target so that we could put multiple types of parseable strings here, but I have no dog in this show.

>> clang -march
>> This unfortunate option is around for compatibility, it'll select a sub arch if used from a single architecture compile, error otherwise.
>> clang -mcpu
>> Ditto.
> 
> I think that these should fall into "do whatever gcc does for compatibility" camp.

Agreed. Unfortunately that's definitely a per-target thing for gcc. i.e. mips and arm act differently here :)

I basically left them in so we could do the best we could for gcc compatibility.

-eric
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