From d4a8a9ee96ca295f1cb3783bf867fc92ee36c450 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Mon, 21 May 2018 17:54:11 +0300
Subject: [PATCH] cmake: filter NVCC compiler flags (Wimplicit-fallthrough,
 OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS)

issue 11552
---
 cmake/OpenCVDetectCUDA.cmake | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cmake/OpenCVDetectCUDA.cmake b/cmake/OpenCVDetectCUDA.cmake
index d7d085b..5b9c123 100644
--- a/cmake/OpenCVDetectCUDA.cmake
+++ b/cmake/OpenCVDetectCUDA.cmake
@@ -203,6 +203,16 @@ if(CUDA_FOUND)
 
       # cc1: warning: command line option '-Wsuggest-override' is valid for C++/ObjC++ but not for C
       string(REPLACE "-Wsuggest-override" "" ${var} "${${var}}")
+
+      # issue: #11552 (from OpenCVCompilerOptions.cmake)
+      string(REGEX REPLACE "-Wimplicit-fallthrough(=[0-9]+)? " "" ${var} "${${var}}")
+
+      # removal of custom specified options
+      if(OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS)
+        foreach(__flag ${OPENCV_CUDA_NVCC_FILTEROUT_OPTIONS})
+          string(REPLACE "${__flag}" "" ${var} "${${var}}")
+        endforeach()
+      endif()
     endforeach()
   endmacro()
 
-- 
2.7.4