cuda: WITH_CUDA=OFF by default (need to enable it explicitly)

CMakeLists.txt

@@ -221,7 +221,7 @@ OCV_OPTION(WITH_CARBON         "Use Carbon for UI instead of Cocoa"          OFF
 OCV_OPTION(WITH_CAROTENE       "Use NVidia carotene acceleration library for ARM platform"                   ON  IF (ARM OR AARCH64) AND NOT IOS AND NOT (CMAKE_VERSION VERSION_LESS "2.8.11"))
 OCV_OPTION(WITH_CPUFEATURES    "Use cpufeatures Android library"             ON   IF ANDROID)
 OCV_OPTION(WITH_VTK            "Include VTK library support (and build opencv_viz module eiher)"             ON  IF (NOT ANDROID AND NOT IOS AND NOT WINRT AND NOT CMAKE_CROSSCOMPILING) )
-OCV_OPTION(WITH_CUDA           "Include NVidia Cuda Runtime support"                                         ON  IF (NOT IOS AND NOT WINRT) )
+OCV_OPTION(WITH_CUDA           "Include NVidia Cuda Runtime support"                                         OFF IF (NOT IOS AND NOT WINRT) )
 OCV_OPTION(WITH_CUFFT          "Include NVidia Cuda Fast Fourier Transform (FFT) library support"            ON  IF (NOT IOS AND NOT WINRT) )
 OCV_OPTION(WITH_CUBLAS         "Include NVidia Cuda Basic Linear Algebra Subprograms (BLAS) library support" ON IF (NOT IOS AND NOT WINRT) )
 OCV_OPTION(WITH_NVCUVID        "Include NVidia Video Decoding library support"                               ON IF (NOT IOS AND NOT APPLE) )

cmake/OpenCVFindLibsPerf.cmake

@@ -42,6 +42,12 @@ endif(WITH_IPP_A)
 # --- CUDA ---
 if(WITH_CUDA)
   include("${OpenCV_SOURCE_DIR}/cmake/OpenCVDetectCUDA.cmake")
+  if(NOT HAVE_CUDA)
+    message(WARNING "OpenCV is not able to find/confidure CUDA SDK (required by WITH_CUDA).
+CUDA support will be disabled in OpenCV build.
+To eliminate this warning remove WITH_CUDA=ON CMake configuration option.
+")
+  endif()
 endif(WITH_CUDA)
 
 # --- Eigen ---

doc/py_tutorials/py_setup/py_setup_in_fedora/py_setup_in_fedora.markdown

@@ -160,7 +160,7 @@ understanding.)*
     @endcode
 -   Disable all GPU related modules.
     @code{.sh}
-    cmake -D WITH_OPENCL=OFF -D WITH_CUDA=OFF -D BUILD_opencv_gpu=OFF -D BUILD_opencv_gpuarithm=OFF -D BUILD_opencv_gpubgsegm=OFF -D BUILD_opencv_gpucodec=OFF -D BUILD_opencv_gpufeatures2d=OFF -D BUILD_opencv_gpufilters=OFF -D BUILD_opencv_gpuimgproc=OFF -D BUILD_opencv_gpulegacy=OFF -D BUILD_opencv_gpuoptflow=OFF -D BUILD_opencv_gpustereo=OFF -D BUILD_opencv_gpuwarping=OFF ..
+    cmake -D WITH_OPENCL=OFF -D BUILD_opencv_gpu=OFF -D BUILD_opencv_gpuarithm=OFF -D BUILD_opencv_gpubgsegm=OFF -D BUILD_opencv_gpucodec=OFF -D BUILD_opencv_gpufeatures2d=OFF -D BUILD_opencv_gpufilters=OFF -D BUILD_opencv_gpuimgproc=OFF -D BUILD_opencv_gpulegacy=OFF -D BUILD_opencv_gpuoptflow=OFF -D BUILD_opencv_gpustereo=OFF -D BUILD_opencv_gpuwarping=OFF ..
     @endcode
 -   Set installation path and build type
     @code{.sh}

doc/tutorials/introduction/windows_install/windows_install.markdown

@@ -89,7 +89,7 @@ CMAKE_CONFIG_GENERATOR="Visual Studio 14 2015 Win64"
 @endcode
     with no Perf tests, no tests, no doc, no CUDA and no example
 @code{.bash}
-CMAKE_OPTIONS='-DBUILD_PERF_TESTS:BOOL=OFF -DBUILD_TESTS:BOOL=OFF -DBUILD_DOCS:BOOL=OFF  -DWITH_CUDA:BOOL=OFF -DBUILD_EXAMPLES:BOOL=OFF'
+CMAKE_OPTIONS='-DBUILD_PERF_TESTS:BOOL=OFF -DBUILD_TESTS:BOOL=OFF -DBUILD_DOCS:BOOL=OFF -DBUILD_EXAMPLES:BOOL=OFF'
 @endcode
 -#  In git command line enter following command :
 @code{.bash}

platforms/android/build_sdk.py

@@ -160,7 +160,6 @@ class Builder:
         cmake_vars = dict(
             CMAKE_TOOLCHAIN_FILE=self.get_toolchain_file(),
             WITH_OPENCL="OFF",
-            WITH_CUDA="OFF",
             WITH_IPP=("ON" if abi.haveIPP() else "OFF"),
             WITH_TBB="ON",
             BUILD_EXAMPLES="OFF",
@@ -195,7 +194,6 @@ class Builder:
         cmake_vars = dict(
             CMAKE_TOOLCHAIN_FILE=self.get_toolchain_file(),
             WITH_OPENCL="OFF",
-            WITH_CUDA="OFF",
             WITH_IPP="OFF",
             BUILD_ANDROID_SERVICE = 'ON'
         )

platforms/js/build_js.py

@@ -100,10 +100,6 @@ class Builder:
                "-DBUILD_SHARED_LIBS=OFF",
                "-DWITH_1394=OFF",
                "-DWITH_VTK=OFF",
-               "-DWITH_CUDA=OFF",
-               "-DWITH_CUFFT=OFF",
-               "-DWITH_CUBLAS=OFF",
-               "-DWITH_NVCUVID=OFF",
                "-DWITH_EIGEN=OFF",
                "-DWITH_FFMPEG=OFF",
                "-DWITH_GSTREAMER=OFF",

platforms/maven/opencv/pom.xml

@@ -246,7 +246,6 @@ To correct this please execute the following Maven command from the Maven root d
                             <generator>Unix Makefiles</generator>
                             <options>
                                 <option>-DBUILD_SHARED_LIBS:BOOL=OFF</option>
-                                <option>-DWITH_CUDA=OFF</option>
                             </options>
                         </configuration>
                     </execution>