[cmake-developers] Cross compiling toolchain variables

Robert Maynard robert.maynard at kitware.com
Fri Oct 25 09:29:56 EDT 2013


Hmm I haven't been following this thread, but you are correct. We
should make sure to synchronize the two branches to make sure that
FindCUDA-arm-5.5 uses the new CMAKE_<LANG>_COMPILER_TARGET.

On Fri, Oct 25, 2013 at 9:23 AM, Stephen Kelly <steveire at gmail.com> wrote:
> Brad King wrote:
>
>> Great!  Here are some comments.
>>
>> The CMAKE_<LANG>_COMPILER_TARGET variable needs documentation added,
>> especially to say that it is only supported in a toolchain file.
>> CMAKE_<LANG>_COMPILER_EXTERNAL_TOOLCHAIN needs documentation too.
>>
>
> I think that the FindCUDA-arm-5.5 topic just merged to stage could also make
> use of CMAKE_<LANG>_COMPILER_TARGET. I don't know anything about CUDA or
> about NVCC, but --target-cpu-architecture looks to me like it solves the
> same problem as the clang and qcc case.
>
> I didn't find any pre-existing *TARGET_CPU* or *CPU_ARCH* in the CMake code.
>
> Thanks,
>
> Steve.
>
>
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