[CMake] Adding cross-compiler support to CMake ...

[Brandon J. Van Every]

Benjamin Reed wrote:
> On 9/11/06, Brandon J. Van Every <bvanevery at gmail.com> wrote:
>
>>  You'd have to trace through everything to see what's ultimately 
>> used.  I
>> didn't mean, "Endianness checks in CMake are implemented directly with
>> TRY_RUN."  Nor indirectly; I have no idea.  I meant, "Conceptually, an
>> Endinanness check must be implemented by compiling and running code."
>> Either that or the compiler correctly defines the Endinanness for you
>> somehow, and you query it somehow.
>
> Right; but what I'm saying is that conceptually, endianness checking
> at configure time fails for universal binaries; because you're only
> going to be right for the platform you're building on, not necessarily
> the multiple platforms you're targetting.
>
> When I build a universal binary, a single "gcc -o" command creates
> multiple architecture binaries at the same time, encapsulated into a
> single binary object.

Hrm.  I wanted to say that CMake should treat a Universal binary as 
multiple targets.  But if gcc treats them as a single target, that's not 
possible.  Sticky wicket.  Suppress Endian checks on MacOS X?


Cheers,
Brandon Van Every