build: cuda warnings

cmake/OpenCVDetectCUDA.cmake

@@ -164,7 +164,7 @@ if(CUDA_FOUND)
 
   mark_as_advanced(CUDA_BUILD_CUBIN CUDA_BUILD_EMULATION CUDA_VERBOSE_BUILD CUDA_SDK_ROOT_DIR)
 
-  macro(ocv_cuda_compile VAR)
+  macro(ocv_cuda_filter_options)
     foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
       set(${var}_backup_in_cuda_compile_ "${${var}}")
 
@@ -190,6 +190,10 @@ if(CUDA_FOUND)
 
       string(REPLACE "-fvisibility-inlines-hidden" "" ${var} "${${var}}")
     endforeach()
+  endmacro()
+
+  macro(ocv_cuda_compile VAR)
+    ocv_cuda_filter_options()
 
     if(BUILD_SHARED_LIBS)
       set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} -Xcompiler -DCVAPI_EXPORTS)

modules/core/include/opencv2/core/cuda/reduce.hpp

@@ -43,6 +43,10 @@
 #ifndef OPENCV_CUDA_REDUCE_HPP
 #define OPENCV_CUDA_REDUCE_HPP
 
+#ifndef THRUST_DEBUG // eliminate -Wundef warning
+#define THRUST_DEBUG 0
+#endif
+
 #include <thrust/tuple.h>
 #include "detail/reduce.hpp"
 #include "detail/reduce_key_val.hpp"

modules/cudafilters/test/test_filters.cpp

@@ -61,11 +61,6 @@ namespace
         cv::Rect roi(ksize.width, ksize.height, m.cols - 2 * ksize.width, m.rows - 2 * ksize.height);
         return m(roi);
     }
-
-    cv::Mat getInnerROI(cv::InputArray m, int ksize)
-    {
-        return getInnerROI(m, cv::Size(ksize, ksize));
-    }
 }
 
 namespace {

modules/cudaimgproc/src/generalized_hough.cpp

@@ -684,28 +684,6 @@ namespace
         std::vector<int> h_buf_;
     };
 
-    double toRad(double a)
-    {
-        return a * CV_PI / 180.0;
-    }
-
-    double clampAngle(double a)
-    {
-        double res = a;
-
-        while (res > 360.0)
-            res -= 360.0;
-        while (res < 0)
-            res += 360.0;
-
-        return res;
-    }
-
-    bool angleEq(double a, double b, double eps = 1.0)
-    {
-        return (fabs(clampAngle(a - b)) <= eps);
-    }
-
     GeneralizedHoughGuilImpl::GeneralizedHoughGuilImpl()
     {
         maxBufferSize_ = 1000;

modules/cudev/test/CMakeLists.txt

@@ -13,20 +13,7 @@ if(OCV_DEPENDENCIES_FOUND)
   source_group("Include" FILES ${test_hdrs})
   set(OPENCV_TEST_${the_module}_SOURCES ${test_srcs} ${test_hdrs})
 
-  foreach(var CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_DEBUG)
-    # we remove /EHa as it generates warnings under windows
-    string(REPLACE "/EHa" "" ${var} "${${var}}")
-
-    # we remove -ggdb3 flag as it leads to preprocessor errors when compiling CUDA files (CUDA 4.1)
-    string(REPLACE "-ggdb3" "" ${var} "${${var}}")
-
-    # we remove -Wsign-promo as it generates warnings under linux
-    string(REPLACE "-Wsign-promo" "" ${var} "${${var}}")
-
-    # we remove -fvisibility-inlines-hidden because it's used for C++ compiler
-    # but NVCC uses C compiler by default
-    string(REPLACE "-fvisibility-inlines-hidden" "" ${var} "${${var}}")
-  endforeach()
+  ocv_cuda_filter_options()
 
   CUDA_ADD_EXECUTABLE(${the_target} ${OPENCV_TEST_${the_module}_SOURCES})
   ocv_target_link_libraries(${the_target} ${test_deps} ${OPENCV_LINKER_LIBS} ${CUDA_LIBRARIES})