message: update error message for incompatible HIP and CUDA
diff: @@ -5,8 +5,10 @@ if (NOT CMAKE_BUILD_TYPE STREQUAL "Release")
  endif()
  if (GINKGO_BUILD_CUDA AND GINKGO_BUILD_HIP AND GINKGO_HIP_PLATFORM MATCHES "hcc")
  - message(FATAL_ERROR "Building the benchmarks with both HIP AMD and CUDA support "
  - "at the same time is currently not supported. Use `export HIP_PLATFORM=nvcc` instead.")
  + message(FATAL_ERROR "Building the benchmarks for both HIP AMD and CUDA "
  + "at the same time is currently not supported. "
  + "Disable the benchmark build using `-DGINKGO_BUILD_BENCHMARKS=OFF` "
  + "or use `export HIP_PLATFORM=nvcc` in your build environment, instead.")
  endif()
  function(ginkgo_benchmark_cusp_linops name)
  