From a56877a016a69f752b3e711b476f524872f3ece7 Mon Sep 17 00:00:00 2001
From: cudawarped <12133430+cudawarped@users.noreply.github.com>
Date: Mon, 1 Sep 2025 16:43:04 +0300
Subject: [PATCH] Silence unreferenced function with internal linkage has been
 removed warnings on windows e.g.

contrib\modules\cudev\include\opencv2\cudev/ptr2d/warping.hpp(86): warning C4505: 'cv::cudev::affineMap': unreferenced function with internal linkage has been removed
contrib\modules\cudev\include\opencv2\cudev/ptr2d/warping.hpp(134): warning C4505: 'cv::cudev::perspectiveMap': unreferenced function with internal linkage has been removed
---
 cmake/OpenCVDetectCUDAUtils.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/OpenCVDetectCUDAUtils.cmake b/cmake/OpenCVDetectCUDAUtils.cmake
index b993be8894..fdd65ef6c3 100644
--- a/cmake/OpenCVDetectCUDAUtils.cmake
+++ b/cmake/OpenCVDetectCUDAUtils.cmake
@@ -390,6 +390,7 @@ macro(ocv_nvcc_flags)
   endif()
 
   if(WIN32)
+    set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler=/wd4505)
     if (NOT (CUDA_VERSION VERSION_LESS "11.2"))
         set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcudafe --display_error_number --diag-suppress 1394,1388)
     endif()