adapted all nonfree header inclusion since it doesn't exist anymore as a module

modules/stitching/include/opencv2/stitching/detail/matchers.hpp

@@ -48,8 +48,8 @@
 
 #include "opencv2/opencv_modules.hpp"
 
-#ifdef HAVE_OPENCV_NONFREE
-#  include "opencv2/nonfree/cuda.hpp"
+#ifdef HAVE_OPENCV_XFEATURES2D
+#  include "opencv2/xfeatures2d/cuda.hpp"
 #endif
 
 namespace cv {
@@ -104,7 +104,7 @@ private:
 };
 
 
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
 class CV_EXPORTS SurfFeaturesFinderGpu : public FeaturesFinder
 {
 public:

modules/stitching/src/matchers.cpp

@@ -46,10 +46,10 @@ using namespace cv;
 using namespace cv::detail;
 using namespace cv::cuda;
 
-#ifdef HAVE_OPENCV_NONFREE
-#include "opencv2/nonfree.hpp"
+#ifdef HAVE_OPENCV_XFEATURES2D
+#include "opencv2/xfeatures2d.hpp"
 
-static bool makeUseOfNonfree = initModule_nonfree();
+static bool makeUseOfNonfree = initModule_xfeatures2d();
 #endif
 
 namespace {
@@ -443,7 +443,7 @@ void OrbFeaturesFinder::find(InputArray image, ImageFeatures &features)
     }
 }
 
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
 SurfFeaturesFinderGpu::SurfFeaturesFinderGpu(double hess_thresh, int num_octaves, int num_layers,
                                              int num_octaves_descr, int num_layers_descr)
 {

modules/stitching/src/precomp.hpp

@@ -87,8 +87,8 @@
 #  include "opencv2/cuda.hpp"
 #endif
 
-#ifdef HAVE_OPENCV_NONFREE
-#  include "opencv2/nonfree/cuda.hpp"
+#ifdef HAVE_OPENCV_XFEATURES2D
+#  include "opencv2/xfeatures2d/cuda.hpp"
 #endif
 
 #include "../../imgproc/src/gcgraph.hpp"

modules/stitching/src/stitcher.cpp

@@ -59,7 +59,7 @@ Stitcher Stitcher::createDefault(bool try_use_gpu)
 #ifdef HAVE_OPENCV_CUDA
     if (try_use_gpu && cuda::getCudaEnabledDeviceCount() > 0)
     {
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
         stitcher.setFeaturesFinder(makePtr<detail::SurfFeaturesFinderGpu>());
 #else
         stitcher.setFeaturesFinder(makePtr<detail::OrbFeaturesFinder>());
@@ -70,7 +70,7 @@ Stitcher Stitcher::createDefault(bool try_use_gpu)
     else
 #endif
     {
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
         stitcher.setFeaturesFinder(makePtr<detail::SurfFeaturesFinder>());
 #else
         stitcher.setFeaturesFinder(makePtr<detail::OrbFeaturesFinder>());

modules/stitching/test/test_matchers.cpp

@@ -42,7 +42,7 @@
 #include "test_precomp.hpp"
 #include "opencv2/opencv_modules.hpp"
 
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
 
 using namespace cv;
 using namespace std;

modules/world/src/precomp.hpp

@@ -53,8 +53,8 @@
 #ifdef HAVE_OPENCV_FEATURES2D
 #include "opencv2/features2d.hpp"
 #endif
-#ifdef HAVE_OPENCV_NONFREE
-#include "opencv2/nonfree.hpp"
+#ifdef HAVE_OPENCV_XFEATURES2D
+#include "opencv2/xfeatures2d/nonfree.hpp"
 #endif
 
 #include "opencv2/world.hpp"

modules/world/src/world_init.cpp

@@ -51,8 +51,8 @@ bool cv::initAll()
 #ifdef HAVE_OPENCV_FEATURES2D
     && initModule_features2d()
 #endif
-#ifdef HAVE_OPENCV_NONFREE
-    && initModule_nonfree()
+#ifdef HAVE_OPENCV_XFEATURES2D
+    && initModule_xfeatures2d()
 #endif
     ;
 }

samples/cpp/stitching_detailed.cpp

@@ -384,7 +384,7 @@ int main(int argc, char* argv[])
     Ptr<FeaturesFinder> finder;
     if (features_type == "surf")
     {
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
         if (try_cuda && cuda::getCudaEnabledDeviceCount() > 0)
             finder = makePtr<SurfFeaturesFinderGpu>();
         else

samples/gpu/CMakeLists.txt

@@ -19,8 +19,8 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
     "${OpenCV_SOURCE_DIR}/modules/gpu/src/nvidia/core"
     )
 
-  if(HAVE_opencv_nonfree)
-    ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/nonfree/include")
+  if(HAVE_opencv_xfeatures2d)
+    ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/xfeatures2d/include")
   endif()
 
   if(HAVE_opencv_cudacodec)
@@ -52,8 +52,8 @@ if(BUILD_EXAMPLES AND OCV_DEPENDENCIES_FOUND)
       ocv_target_link_libraries(${the_target} ${CUDA_CUDA_LIBRARY})
     endif()
 
-    if(HAVE_opencv_nonfree)
-      ocv_target_link_libraries(${the_target} opencv_nonfree)
+    if(HAVE_opencv_xfeatures2d)
+      ocv_target_link_libraries(${the_target} opencv_xfeatures2d)
     endif()
     if(HAVE_opencv_cudacodec)
       ocv_target_link_libraries(${the_target} opencv_cudacodec)

samples/gpu/performance/CMakeLists.txt

@@ -3,15 +3,15 @@ set(the_target "example_gpu_performance")
 file(GLOB sources "performance/*.cpp")
 file(GLOB headers "performance/*.h")
 
-if(HAVE_opencv_nonfree)
-  ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/nonfree/include")
+if(HAVE_opencv_xfeatures2d)
+  ocv_include_directories("${OpenCV_SOURCE_DIR}/modules/xfeatures2d/include")
 endif()
 
 add_executable(${the_target} ${sources} ${headers})
 ocv_target_link_libraries(${the_target} ${OPENCV_LINKER_LIBS} ${OPENCV_CUDA_SAMPLES_REQUIRED_DEPS})
 
-if(HAVE_opencv_nonfree)
-  ocv_target_link_libraries(${the_target} opencv_nonfree)
+if(HAVE_opencv_xfeatures2d)
+  ocv_target_link_libraries(${the_target} opencv_xfeatures2d)
 endif()
 
 set_target_properties(${the_target} PROPERTIES

samples/gpu/performance/tests.cpp

@@ -17,9 +17,9 @@
 
 #include "opencv2/opencv_modules.hpp"
 
-#ifdef HAVE_OPENCV_NONFREE
-#include "opencv2/nonfree/cuda.hpp"
-#include "opencv2/nonfree/nonfree.hpp"
+#ifdef HAVE_OPENCV_XFEATURES2D
+#include "opencv2/xfeatures2d/cuda.hpp"
+#include "opencv2/xfeatures2d/nonfree.hpp"
 #endif
 
 using namespace std;
@@ -274,7 +274,7 @@ TEST(meanShift)
     }
 }
 
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
 
 TEST(SURF)
 {

samples/gpu/surf_keypoint_matcher.cpp

@@ -2,13 +2,13 @@
 
 #include "opencv2/opencv_modules.hpp"
 
-#ifdef HAVE_OPENCV_NONFREE
+#ifdef HAVE_OPENCV_XFEATURES2D
 
 #include "opencv2/core/core.hpp"
 #include "opencv2/features2d/features2d.hpp"
 #include "opencv2/highgui/highgui.hpp"
 #include "opencv2/cudafeatures2d.hpp"
-#include "opencv2/nonfree/cuda.hpp"
+#include "opencv2/xfeatures2d/cuda.hpp"
 
 using namespace std;
 using namespace cv;