CUDArt fails to build when no CUDA device is present

[vchuravy]

julia> Pkg.build("CUDArt")
INFO: Building CUDAdrv
INFO: Found libcuda at /usr/bin/../lib/libcuda.so
INFO: CUDAdrv.jl has already been built for this CUDA library, no need to rebuild
INFO: Building CUDArt
NVIDIA: no NVIDIA devices found
=================================================[ ERROR: CUDArt ]=================================================

LoadError: CUDA error 30 calling cudaRuntimeGetVersion
while loading /home/wallnuss/.julia/v0.5/CUDArt/deps/build.jl, in expression starting on line 380