fix build error on Jetson TK1

tomoaki0705 · tomoaki0705 · commit 6531fd142c81 · 2017-08-29T19:05:13.000+09:00
* guard correctly in header file
  * guard correctly in cmake file
diff --git a/cmake/FindCUDA.cmake b/cmake/FindCUDA.cmake
@@ -787,8 +787,8 @@ if(NOT CUDA_VERSION VERSION_LESS "3.2")
     find_cuda_helper_libs(nvcuvid)
   endif()
 endif()
-if(CUDA_VERSION VERSION_GREATER "5.0")
-  # In CUDA 5.5 NPP was splitted onto 3 separate libraries.
+if(CUDA_VERSION VERSION_GREATER "7.5")
+  # In CUDA 8.0 NPPI was split in to many libraries.
   find_cuda_helper_libs(nppc)
   find_cuda_helper_libs(nppial)
   find_cuda_helper_libs(nppicc)
@@ -803,6 +803,12 @@ if(CUDA_VERSION VERSION_GREATER "5.0")
   find_cuda_helper_libs(npps)
   set(CUDA_nppi_LIBRARY "${CUDA_nppial_LIBRARY};${CUDA_nppicc_LIBRARY};${CUDA_nppicom_LIBRARY};${CUDA_nppidei_LIBRARY};${CUDA_nppif_LIBRARY};${CUDA_nppig_LIBRARY};${CUDA_nppim_LIBRARY};${CUDA_nppist_LIBRARY};${CUDA_nppisu_LIBRARY};${CUDA_nppitc_LIBRARY}")
   set(CUDA_npp_LIBRARY "${CUDA_nppc_LIBRARY};${CUDA_nppi_LIBRARY};${CUDA_npps_LIBRARY}")
+elseif(CUDA_VERSION VERSION_GREATER "5.0")
+  # In CUDA 5.5 NPP was split in to 3 separate libraries.
+  find_cuda_helper_libs(nppc)
+  find_cuda_helper_libs(nppi)
+  find_cuda_helper_libs(npps)
+  set(CUDA_npp_LIBRARY "${CUDA_nppc_LIBRARY};${CUDA_nppi_LIBRARY};${CUDA_npps_LIBRARY}")
 elseif(NOT CUDA_VERSION VERSION_LESS "4.0")
   find_cuda_helper_libs(npp)
 endif()
diff --git a/modules/core/include/opencv2/core/private.cuda.hpp b/modules/core/include/opencv2/core/private.cuda.hpp
@@ -58,14 +58,16 @@
 #ifdef HAVE_CUDA
 #  include <cuda.h>
 #  include <cuda_runtime.h>
-#  if defined (__GNUC__)
-#   pragma GCC diagnostic push
-#   pragma GCC diagnostic ignored "-Wstrict-aliasing"
-#   include <cuda_fp16.h>
-#   pragma GCC diagnostic pop
-#  else
-#   include <cuda_fp16.h>
-#  endif /* __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) */
+#  if defined(__CUDACC_VER_MAJOR__) && (8 <= __CUDACC_VER_MAJOR__)
+#    if defined (__GNUC__) && !defined(__CUDACC__)
+#     pragma GCC diagnostic push
+#     pragma GCC diagnostic ignored "-Wstrict-aliasing"
+#     include <cuda_fp16.h>
+#     pragma GCC diagnostic pop
+#    else
+#     include <cuda_fp16.h>
+#    endif
+#  endif // defined(__CUDACC_VER_MAJOR__) && (8 <= __CUDACC_VER_MAJOR__)
 #  include <npp.h>
 #  include "opencv2/core/cuda_stream_accessor.hpp"
 #  include "opencv2/core/cuda/common.hpp"
