message: Add workaround for float128 when using GCC 8 as host compiler
diff: @@ -22,6 +22,7 @@ cmake \
  -C ${RAJA_HOSTCONFIG} \
  -DENABLE_OPENMP=On \
  -DENABLE_CUDA=On \
  + -DCMAKE_CUDA_FLAGS="-Xcompiler -mno-float128" \
  -DCUDA_TOOLKIT_ROOT_DIR=/usr/tce/packages/cuda/cuda-10.1.243 \
  -DCMAKE_CUDA_COMPILER=/usr/tce/packages/cuda/cuda-10.1.243/bin/nvcc \
  -DCUDA_ARCH=sm_70 \
  