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

[Brandon J. Van Every]

Sean McBride wrote:
> On 2006-09-06 14:26, Brandon J. Van Every said:
>
>   
>>> However, the whole idea of TRY_COMPILE is of course incompatible with
>>> this, since the minute you assume that the machine doing the building is
>>> the same type as the machine you are building for, you are in trouble...
>>>       
>> Actually it's not invalid to compile it.  That's what a cross-compiler 
>> does.  It's invalid to run it.  CMake already has this distinction 
>> between TRY_COMPILE and TRY_RUN, so if TRY_RUN is used inappropriately, 
>> that's user error.  If CMake knows it's in some kind of 
>> cross-compilation mode, it can disallow TRY_RUN and deliver an error.
>>     
>
> Ah, I see.  I admittedly know little about CMake, just enough to let me
> build vtk really. :)
>
> So for the cross compilation case, or even the more limited case of
> Universal Binaries on OS X, does a TRY_COMPILE execute once for each
> architecture?  Seems it would need to.  Or is that something currently
> lacking?
>   

CMake doesn't have any cross-compilation support at present.  I'm 
saying, if it were to be implemented, the abstraction of TRY_COMPILE vs. 
TRY_RUN already exists.


Cheers,
Brandon Van Every

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://public.kitware.com/pipermail/cmake/attachments/20060907/133ffa7a/attachment.html