[CMake] FindCuda compiler flag problems

[James Bigler]

The issue is that nvcc doesn't accept host compiler flags that are C++
only.  It does understand a version of the command directly (-std c++11).

There should be a fix for this in TOT.  See if you can grab a nightly and
test it out.

James

On Mon, May 11, 2015 at 10:54 AM, Wesley Smith <wesley.hoke at gmail.com>
wrote:

> Hi,
> I'm trying to compile w/ CUDA on Centos6 using Cuda7 and C++11.  When
> I have host propagate flags on, the CXX flags get mangles with escapes
> like this:
>
> ,\"-fPIE\",\"--std=c++11\",\"-DGLM_FORCE_RADIANS\",\"-g\"
>
>
> which causes a ton of errors.  If I turn host propagate flags off, I
> then have to manually add --std=c++11 to the NVCC flags.  The problem
> is that since I have CUDA_SEPARABLE_COMPILATION ON, the linker step
> also gets --std=c++11, which is an error and compilation fails as a
> result.  So, how do I resolve this?  Is there a way to have NVCC flags
> only for compilation and not for linking?  Alternatively, is there a
> way to avoid the crazy string escapes on the CXX flags passed to NVCC?
>
>
> thanks,
> wes
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