added flags OpenCV_COMPUTE_CAPABILITIES, which stores the version compute capability from which it is compiled opencv

now use opencv with cuda in your application  in the such way : set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ${OpenCV_COMPUTE_CAPABILITIES})

CMakeLists.txt

@@ -35,6 +35,11 @@ set(CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
 set(CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
 set(CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL "" CACHE INTERNAL "" FORCE)
 set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO "" CACHE INTERNAL "" FORCE)
+set(CMAKE_VERBOSE OFF CACHE BOOL "Verbose mode")
+
+if (CMAKE_VERBOSE)
+        set (CMAKE_VERBOSE_MAKEFILE 1)
+endif()
 
 project(OpenCV)
 
@@ -642,6 +647,29 @@ if (WITH_CUDA)
 	if (CUDA_FOUND)
 		message(STATUS "CUDA detected.")
 		set(HAVE_CUDA 1)
+
+		set(CUDA_COMPUTE_CAPABILITIES " 1.0 1.1 1.2 1.3 2.0 " CACHE STRING "Add or remove compute capability")
+		set(CUDA_NVCC_FLAGS_ARCH ${CUDA_COMPUTE_CAPABILITIES})
+
+		set(CUDA_NVCC_FLAGS_NUM "")
+
+		while(NOT ${CUDA_NVCC_FLAGS_ARCH} STREQUAL "")
+		    string(REGEX MATCH "[0-9]+.[0-9]+" RESULT_NUM ${CUDA_NVCC_FLAGS_ARCH})
+		    string(REGEX MATCHALL "[0-9]" RESULT_STR ${RESULT_NUM})
+		    string(REGEX REPLACE ";" "\ " RESULT ${RESULT_STR})
+		    list(APPEND CUDA_NVCC_FLAGS_NUM ${RESULT})
+		    string(REGEX REPLACE "${RESULT_NUM}" "\ " CUDA_NVCC_FLAGS_ARCH_STR ${CUDA_NVCC_FLAGS_ARCH})
+		    string(STRIP ${CUDA_NVCC_FLAGS_ARCH_STR} CUDA_NVCC_FLAGS_ARCH)
+		endwhile()
+
+		set (OpenCV_CUDA_CC "")
+		set (loop_var "")
+		foreach( loop_var IN LISTS CUDA_NVCC_FLAGS_NUM)
+		    set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -gencode arch=compute_${loop_var},code=sm_${loop_var})
+		    set (OpenCV_CUDA_CC  ${OpenCV_CUDA_CC}  -gencode arch=compute_${loop_var},code=sm_${loop_var})
+		endforeach()
+
+		### set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ${OpenCV_COMPUTE_CAPABILITIES})
 	endif()
 endif()
 

OpenCVConfig.cmake.in

@@ -14,13 +14,19 @@
 #      - OpenCV_LIB_DIR              : The directory where lib files are. Calling LINK_DIRECTORIES
 #                                      with this path is NOT needed.
 #      - OpenCV_INCLUDE_DIRS         : The OpenCV include directories.
+#      - OpenCV_COMPUTE_CAPABILITIES : The version of compute capability
 #      - OpenCV_VERSION              : The version of this OpenCV build. Example: "1.2.0"
 #      - OpenCV_VERSION_MAJOR        : Major version part of OpenCV_VERSION. Example: "1"
 #      - OpenCV_VERSION_MINOR        : Minor version part of OpenCV_VERSION. Example: "2"
 #      - OpenCV_VERSION_PATCH        : Patch version part of OpenCV_VERSION. Example: "0"
 #
-# ===================================================================================
+# =================================================================================================
 
+# ======================================================
+# Version Compute Capability from which library OpenCV
+# has been compiled is remembered
+# ======================================================
+SET(OpenCV_COMPUTE_CAPABILITIES @OpenCV_CUDA_CC@)
 
 # Extract the directory where *this* file has been installed (determined at cmake run-time)
 #  This variable may or may not be used below, depending on the parsing of OpenCVConfig.cmake

modules/gpu/CMakeLists.txt

@@ -36,28 +36,6 @@ if (HAVE_CUDA)
 	include_directories(${CUDA_INCLUDE_DIRS})
 	link_directories(${CUDA_LIBRARIES})
 
-	set(CUDA_COMPUTE_CAPABILITIES " 1.0 1.1 1.2 1.3 2.0 " CACHE STRING "Add or remove compute capability")
-	set(CUDA_NVCC_FLAGS_ARCH ${CUDA_COMPUTE_CAPABILITIES})
-
-	set(CUDA_NVCC_FLAGS_NUM "")
-
-	while(NOT ${CUDA_NVCC_FLAGS_ARCH} STREQUAL "")
-	    string(REGEX MATCH "[0-9]+.[0-9]+" RESULT_NUM ${CUDA_NVCC_FLAGS_ARCH})
-	    string(REGEX MATCHALL "[0-9]" RESULT_STR ${RESULT_NUM})
-	    string(REGEX REPLACE ";" "\ " RESULT ${RESULT_STR})
-	    list(APPEND CUDA_NVCC_FLAGS_NUM ${RESULT})
-	    string(REGEX REPLACE "${RESULT_NUM}" "\ " CUDA_NVCC_FLAGS_ARCH_STR ${CUDA_NVCC_FLAGS_ARCH})
-	    string(STRIP ${CUDA_NVCC_FLAGS_ARCH_STR} CUDA_NVCC_FLAGS_ARCH)
-	endwhile()
-
-	set (loop_var "")
-	foreach( loop_var IN LISTS CUDA_NVCC_FLAGS_NUM)
-	    set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -gencode arch=compute_${loop_var},code=sm_${loop_var})
-	endforeach()
-
-	message(STATUS " CUDA_NVCC_FLAGS: ${CUDA_NVCC_FLAGS} ")
-
-
 	if (UNIX OR APPLE)
 		set (CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS}  "-Xcompiler;-fPIC;")
 		#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" "-fPIC")