From ee0dd4d4967082c6bf3e4ba8d8bb3871720a7ec8 Mon Sep 17 00:00:00 2001
From: "marina.kolpakova" <marina.kolpakova@itseez.com>
Date: Mon, 20 Aug 2012 23:35:29 +0400
Subject: [PATCH] disabled -Wunused-but-set-variable because of multiple
 warnings during building nvcc auto generated files (GCC 4.6)

---
 cmake/OpenCVDetectCUDA.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/OpenCVDetectCUDA.cmake b/cmake/OpenCVDetectCUDA.cmake
index 60d8005..43e9c81 100644
--- a/cmake/OpenCVDetectCUDA.cmake
+++ b/cmake/OpenCVDetectCUDA.cmake
@@ -88,7 +88,11 @@ if(CUDA_FOUND)
     if(APPLE)
       set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -fno-finite-math-only)
     endif()
-    string(REPLACE "-Wsign-promo" "" CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS}")
+
+    # disabled because of multiple warnings during building nvcc auto generated files
+    if(CMAKE_COMPILER_IS_GNUCXX AND CMAKE_GCC_REGEX_VERSION VERSION_GREATER "4.6.0")
+      ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-but-set-variable)
+    endif()
 
     # we remove -ggdb3 flag as it leads to preprocessor errors when compiling CUDA files (CUDA 4.1)
     set(CMAKE_CXX_FLAGS_DEBUG_ ${CMAKE_CXX_FLAGS_DEBUG})
-- 
2.7.4