Merge pull request #569 from psychocoderHPC/topic-backPortTo_0_3_2_v3

back-ports to 0.3.2

Author: ax3l

alpakaConfig.cmake

@@ -381,12 +381,12 @@ IF(ALPAKA_ACC_GPU_CUDA_ENABLE)
             ELSE()
                 IF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
                     IF(CUDA_VERSION VERSION_EQUAL 8.0)
-                        IF(CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 5.0)
-                            MESSAGE(FATAL_ERROR "NVCC 8.0 does not support GCC 6+ and fails compiling the std::tuple implementation in GCC 5+. Please use GCC 4.9!")
+                        IF(CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 5.4)
+                            MESSAGE(FATAL_ERROR "NVCC 8.0 does not support GCC 5.4+. Please use GCC 4.9 - 5.3!")
                         ENDIF()
                     ELSEIF((CUDA_VERSION VERSION_EQUAL 9.0) OR (CUDA_VERSION VERSION_EQUAL 9.1))
                         IF(CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 6.0)
-                            MESSAGE(FATAL_ERROR "NVCC 9.0-9.1 do not support GCC 7+ and fail compiling the std::tuple implementation in GCC 6+. Please use GCC 4.9 or 5!")
+                            MESSAGE(FATAL_ERROR "NVCC 9.0 - 9.1 do not support GCC 7+ and fail compiling the std::tuple implementation in GCC 6+. Please use GCC 4.9 - 5.5!")
                         ENDIF()
                     ELSEIF(CUDA_VERSION VERSION_EQUAL 9.2)
                         IF(CMAKE_CXX_COMPILER_VERSION GREATER_EQUAL 8.0)

include/alpaka/exec/ExecGpuCudaRt.hpp

@@ -517,7 +517,7 @@ namespace alpaka
                             exec::cuda::detail::cudaKernel<TDim, TSize, TKernelFnObj, TArgs...><<<
                                 gridDim,
                                 blockDim,
-                                blockSharedMemDynSizeBytes,
+                                static_cast<std::size_t>(blockSharedMemDynSizeBytes),
                                 stream.m_spStreamImpl->m_CudaStream>>>(
                                     threadElemExtent,
                                     task.m_kernelFnObj,