[CMake] CMake with two C++ compilers

[JR Cary]

Thanks, Chuck.

I was not clear on my question, which is:  When I specify the two 
compilers, how
do I get, e.g., CMAKE_CUDA_HOST_COMPILER_ID and 
CMAKE_CUDA_HOST_COMPILER_VERSION?

I need these to determine consistency between the CUDA version and the 
host compiler
version, so that I can disable CUDA when these are incmpatible.

Thanks...John

On 5/10/19 9:17 AM, Chuck Atkins wrote:
> Hi John,
> Two different compilers in the same project for the same language is 
> messy, but in your case it's directly supproted as a special case for 
> cuda using the CMAKE_CUDA_HOST_COMPILER CMake variable or the 
> CUDAHOSTCXX environment variable.
>
> ----------
> Chuck Atkins
> Staff R&D Engineer, Scientific Computing
> Kitware, Inc.
>
>
> On Wed, May 8, 2019 at 7:27 AM JR Cary <cary at txcorp.com 
> <mailto:cary at txcorp.com>> wrote:
>
>     Is there a standard way to deal with 2 C++ compilers?  Getting both
>     there versions, etc.?
>
>     I need one compiler for compiling ordinary C++ code and a different
>     one to use as the host compiler for CUDA.
>
>     Thx......John Cary
>     -- 
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