Don't build CUDA modules stubs by default (use `-DBUILD_CUDA_STUBS=ON` if need them)

CMakeLists.txt

@@ -175,6 +175,7 @@ OCV_OPTION(BUILD_WITH_STATIC_CRT    "Enables use of staticaly linked CRT for sta
 OCV_OPTION(BUILD_FAT_JAVA_LIB       "Create fat java wrapper containing the whole OpenCV library" ON IF NOT BUILD_SHARED_LIBS AND CMAKE_COMPILER_IS_GNUCXX )
 OCV_OPTION(BUILD_ANDROID_SERVICE    "Build OpenCV Manager for Google Play" OFF IF ANDROID AND ANDROID_SOURCE_TREE )
 OCV_OPTION(BUILD_ANDROID_PACKAGE    "Build platform-specific package for Google Play" OFF IF ANDROID )
+OCV_OPTION(BUILD_CUDA_STUBS         "Build CUDA modules stubs when no CUDA SDK" OFF  IF (NOT IOS) )
 
 # 3rd party libs
 OCV_OPTION(BUILD_ZLIB               "Build zlib from source"             WIN32 OR APPLE )

modules/cuda/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cuda)
 endif()
 

modules/cudaarithm/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudaarithm)
 endif()
 

modules/cudabgsegm/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudabgsegm)
 endif()
 

modules/cudacodec/CMakeLists.txt

-if(IOS OR APPLE)
+if(IOS OR APPLE OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudacodec)
 endif()
 

modules/cudafeatures2d/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudafeatures2d)
 endif()
 

modules/cudafilters/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudafilters)
 endif()
 

modules/cudaimgproc/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudaimgproc)
 endif()
 

modules/cudaoptflow/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudaoptflow)
 endif()
 

modules/cudastereo/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudastereo)
 endif()
 

modules/cudawarping/CMakeLists.txt

-if(IOS)
+if(IOS OR (NOT HAVE_CUDA AND NOT BUILD_CUDA_STUBS))
   ocv_module_disable(cudawarping)
 endif()