=> Bootstrap dependency digest>=20211023: found digest-20220214
===> Building for opencv-3.4.16nb22
[  0%] Generate opencv.pc
CMake Deprecation Warning at /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/cmake/OpenCVGenPkgconfig.cmake:113 (cmake_minimum_required):
  Compatibility with CMake < 3.5 will be removed from a future version of
  CMake.

  Update the VERSION argument <min> value or use a ...<max> suffix to tell
  CMake that the project does not need compatibility with older versions.


[  0%] Built target gen-pkgconfig
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/absdiff.cpp.o
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/accumulate.cpp.o
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/add.cpp.o
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/add_weighted.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:112:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<s32>::vec128 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:113:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<s32>::vec128 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:114:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<s32>::vec128 & v_dst) const
                     ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:124:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<s32>::vec64 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:125:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<s32>::vec64 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:126:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<s32>::vec64 & v_dst) const
                     ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:156:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<u32>::vec128 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:157:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<u32>::vec128 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:158:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<u32>::vec128 & v_dst) const
                     ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:168:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<u32>::vec64 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:169:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<u32>::vec64 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:170:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<u32>::vec64 & v_dst) const
                     ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:200:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<f32>::vec128 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:201:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<f32>::vec128 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:202:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<f32>::vec128 & v_dst) const
                     ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:208:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
    void operator() (const typename VecTraits<f32>::vec64 & v_src0,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:209:28: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     const typename VecTraits<f32>::vec64 & v_src1,
                           ^~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/add_weighted.cpp:210:22: warning: 'typename' occurs outside of a template [-Wc++11-extensions]
                     typename VecTraits<f32>::vec64 & v_dst) const
                     ^~~~~~~~~
18 warnings generated.
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/bitwise.cpp.o
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/blur.cpp.o
[  0%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/canny.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/channel_extract.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/channels_combine.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/cmp.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/colorconvert.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/common.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/convert.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/convert_depth.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/convert_scale.cpp.o
[  1%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/convolution.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/count_nonzero.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/div.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:93:19: warning: unused function 'divSaturate<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t divSaturate<uint32x2_t>(const uint32x2_t &v1, const uint32x2_t &v2, const float scale)
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:122:19: warning: unused function 'divWrap<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t divWrap<uint32x2_t>(const uint32x2_t &v1, const uint32x2_t &v2, const float scale)
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:127:20: warning: unused function 'vtstq' [-Wunused-function]
inline  uint32x4_t vtstq(const uint32x4_t  & v0, const uint32x4_t  & v1) { return vtstq_u32(v0, v1); }
                   ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:134:20: warning: unused function 'vtst' [-Wunused-function]
inline  uint32x2_t vtst(const uint32x2_t  & v0, const uint32x2_t  & v1) { return vtst_u32(v0, v1); }
                   ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:270:19: warning: unused function 'recipSaturate<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t recipSaturate<uint32x2_t>(const uint32x2_t &v2, const float scale)
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/div.cpp:297:19: warning: unused function 'recipWrap<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t recipWrap<uint32x2_t>(const uint32x2_t &v2, const float scale)
                  ^
6 warnings generated.
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/dot_product.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/dummy.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/fast.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/fill_minmaxloc.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/flip.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/gaussian_blur.cpp.o
[  2%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/in_range.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/integral.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/laplacian.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/magnitude.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/meanstddev.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/median_filter.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/min_max.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/minmaxloc.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/morph.cpp.o
[  3%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/mul.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/mul.cpp:932:18: warning: unused function 'mulSaturate<__attribute__((neon_vector_type(2))) int>' [-Wunused-function]
inline int32x2_t mulSaturate<int32x2_t>(const int32x2_t &v1, const int32x2_t &v2, const float scale)
                 ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/mul.cpp:935:19: warning: unused function 'mulSaturate<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t mulSaturate<uint32x2_t>(const uint32x2_t &v1, const uint32x2_t &v2, const float scale)
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/mul.cpp:961:18: warning: unused function 'mulWrap<__attribute__((neon_vector_type(2))) int>' [-Wunused-function]
inline int32x2_t mulWrap<int32x2_t>(const int32x2_t &v1, const int32x2_t &v2, const float scale)
                 ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/carotene/src/mul.cpp:964:19: warning: unused function 'mulWrap<__attribute__((neon_vector_type(2))) unsigned int>' [-Wunused-function]
inline uint32x2_t mulWrap<uint32x2_t>(const uint32x2_t &v1, const uint32x2_t &v2, const float scale)
                  ^
4 warnings generated.
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/norm.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/opticalflow.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/phase.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/pyramid.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/reduce.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/remap.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/resize.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/scharr.cpp.o
[  4%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/separable_filter.cpp.o
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[  5%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/threshold.cpp.o
[  5%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/warp_affine.cpp.o
[  5%] Building CXX object 3rdparty/carotene/hal/carotene/CMakeFiles/carotene_objs.dir/src/warp_perspective.cpp.o
[  5%] Built target carotene_objs
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[  6%] Building C object 3rdparty/ittnotify/CMakeFiles/ittnotify.dir/src/ittnotify/jitprofiling.c.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/ittnotify/src/ittnotify/jitprofiling.c:162:71: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
ITT_EXTERN_C iJIT_IsProfilingActiveFlags JITAPI iJIT_IsProfilingActive()
                                                                      ^
                                                                       void
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/ittnotify/src/ittnotify/jitprofiling.c:176:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
static int loadiJIT_Funcs()
                         ^
                          void
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/3rdparty/ittnotify/src/ittnotify/jitprofiling.c:306:53: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
ITT_EXTERN_C unsigned int JITAPI iJIT_GetNewMethodID()
                                                    ^
                                                     void
3 warnings generated.
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[  8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/count_non_zero.dispatch.cpp.o
[  8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_gpu_mat.cpp.o
[  8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_host_mem.cpp.o
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[  8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_stream.cpp.o
[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/datastructs.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/core/src/datastructs.cpp:136:9: warning: variable 'k' set but not used [-Wunused-but-set-variable]
    int k = 0;
        ^
1 warning generated.
[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/directx.cpp.o
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[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/glob.cpp.o
[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/hal_internal.cpp.o
[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/kmeans.cpp.o
[  9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lapack.cpp.o
[ 10%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lda.cpp.o
[ 10%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/logger.cpp.o
[ 10%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lpsolver.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/core/src/lpsolver.cpp:253:9: warning: variable 'count' set but not used [-Wunused-but-set-variable]
    int count=0;
        ^
1 warning generated.
[ 10%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lut.cpp.o
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[ 11%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_sparse.cpp.o
[ 11%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_transform.cpp.o
[ 11%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_wrap.cpp.o
[ 11%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/mean.dispatch.cpp.o
[ 11%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/merge.dispatch.cpp.o
[ 12%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/minmax.cpp.o
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    int threads = 0;
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ld: warning: ignoring duplicate libraries: '../../3rdparty/lib/libtegra_hal.a'
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/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/imgproc/src/color_lab.cpp:948:19: warning: unused variable 'enablePackedLab' [-Wunused-const-variable]
static const bool enablePackedLab = true;
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/imgproc/src/color_lab.cpp:965:19: warning: unused variable 'enablePackedRGB2Luv' [-Wunused-const-variable]
static const bool enablePackedRGB2Luv = true;
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/imgproc/src/color_lab.cpp:966:19: warning: unused variable 'enablePackedLuv2RGB' [-Wunused-const-variable]
static const bool enablePackedLuv2RGB = true;
                  ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/imgproc/src/color_lab.cpp:1364:20: warning: unused function 'trilinearPackedInterpolate' [-Wunused-function]
static inline void trilinearPackedInterpolate(const v_uint16x8& inX, const v_uint16x8& inY, const v_uint16x8& inZ,
                   ^
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            for(int iters = 0; next() && startTimer(); iters++, stopTimer()) { /*std::cout << iters << nIters << std::endl;*/ }
                    ^
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[ 28%] Building CXX object modules/ts/CMakeFiles/opencv_ts.dir/src/ts_tags.cpp.o
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        unsigned counter = 0;
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[ 36%] Built target opencv_perf_core
[ 36%] Building CXX object modules/flann/CMakeFiles/opencv_flann.dir/src/flann.cpp.o
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/src/flann.cpp:29:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/src/precomp.hpp:13:
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/index_testing.h:249:11: warning: variable 'p1' set but not used [-Wunused-but-set-variable]
    float p1;
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In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/src/precomp.hpp:13:
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/index_testing.h:249:11: warning: variable 'p1' set but not used [-Wunused-but-set-variable]
    float p1;
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[ 36%] Building CXX object modules/flann/CMakeFiles/opencv_test_flann.dir/test/test_lshtable_badarg.cpp.o
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In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/test/test_precomp.hpp:5:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann.hpp:48:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/flann_base.hpp:44:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/all_indices.h:45:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/autotuned_index.h:39:
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/index_testing.h:249:11: warning: variable 'p1' set but not used [-Wunused-but-set-variable]
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In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/test/test_main.cpp:1:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/test/test_precomp.hpp:5:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann.hpp:48:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/flann_base.hpp:44:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/all_indices.h:45:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/autotuned_index.h:39:
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/flann/include/opencv2/flann/index_testing.h:249:11: warning: variable 'p1' set but not used [-Wunused-but-set-variable]
    float p1;
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    int j, TotalErrors = 0;
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[ 52%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/camshift.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/compat_video.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/ecc.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/kalman.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/lkpyramid.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/optflowgf.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/src/tvl1flow.cpp.o
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_video.dir/opencl_kernels_video.cpp.o
[ 53%] Linking CXX shared library ../../lib/libopencv_video.dylib
[ 53%] Built target opencv_video
[ 53%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/ocl/test_bgfg_mog2.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/ocl/test_optflow_farneback.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/ocl/test_optflow_tvl1flow.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/ocl/test_optflowpyrlk.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_accum.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_camshift.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_ecc.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_estimaterigid.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_kalman.cpp.o
[ 54%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_main.cpp.o
[ 55%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_optflowpyrlk.cpp.o
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/video/test/test_optflowpyrlk.cpp:68:27: warning: variable 'sum_err' set but not used [-Wunused-but-set-variable]
    double  max_err = 0., sum_err = 0;
                          ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/video/test/test_optflowpyrlk.cpp:69:13: warning: variable 'pt_cmpd' set but not used [-Wunused-but-set-variable]
    int     pt_cmpd = 0;
            ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/video/test/test_optflowpyrlk.cpp:71:25: warning: variable 'merr_j' set but not used [-Wunused-but-set-variable]
    int     merr_i = 0, merr_j = 0, merr_k = 0, merr_nan = 0;
                        ^
/Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/video/test/test_optflowpyrlk.cpp:71:37: warning: variable 'merr_k' set but not used [-Wunused-but-set-variable]
    int     merr_i = 0, merr_j = 0, merr_k = 0, merr_nan = 0;
                                    ^
4 warnings generated.
[ 55%] Building CXX object modules/video/CMakeFiles/opencv_test_video.dir/test/test_tvl1optflow.cpp.o
[ 55%] Linking CXX executable ../../bin/opencv_test_video
[ 55%] Built target opencv_test_video
[ 55%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_bgfg_knn.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_bgfg_mog2.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_motempl.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_optflow_dualTVL1.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_optflow_farneback.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/opencl/perf_optflow_pyrlk.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_bgfg_knn.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_bgfg_mog2.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_ecc.cpp.o
[ 56%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_main.cpp.o
[ 57%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_optflowpyrlk.cpp.o
[ 57%] Building CXX object modules/video/CMakeFiles/opencv_perf_video.dir/perf/perf_tvl1optflow.cpp.o
[ 57%] Linking CXX executable ../../bin/opencv_perf_video
[ 57%] Built target opencv_perf_video
[ 57%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/versions.proto
[ 57%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/attr_value.proto
[ 57%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/function.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/graph.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/op_def.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/caffe/opencv-caffe.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/onnx/opencv-onnx.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/tensor.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/tensor_shape.proto
[ 58%] Running cpp protocol buffer compiler on /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/modules/dnn/src/tensorflow/types.proto
[ 58%] Building CXX object modules/dnn/CMakeFiles/opencv_dnn.dir/opencv-caffe.pb.cc.o
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:13:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/port_def.inc:33:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/base/attributes.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/base/config.h:86:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/base/policy_checks.h:79:2: error: "C++ versions less than C++14 are not supported."
#error "C++ versions less than C++14 are not supported."
 ^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:13:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/port_def.inc:159:1: error: static assertion failed due to requirement '201103L >= 201402L': Protobuf only supports C++14 and newer.
static_assert(PROTOBUF_CPLUSPLUS_MIN(201402L), "Protobuf only supports C++14 and newer.");
^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:107:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/stubs/common.h:20:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:340:10: error: cannot assign to non-static data member within const member function 'remove_prefix'
    ptr_ += n;
    ~~~~ ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:338:18: note: member function 'absl::string_view::remove_prefix' is declared const here
  constexpr void remove_prefix(size_type n) {
  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:341:13: error: cannot assign to non-static data member within const member function 'remove_prefix'
    length_ -= n;
    ~~~~~~~ ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:338:18: note: member function 'absl::string_view::remove_prefix' is declared const here
  constexpr void remove_prefix(size_type n) {
  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:338:18: error: constexpr function's return type 'void' is not a literal type
  constexpr void remove_prefix(size_type n) {
                 ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:350:13: error: cannot assign to non-static data member within const member function 'remove_suffix'
    length_ -= n;
    ~~~~~~~ ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:348:18: note: member function 'absl::string_view::remove_suffix' is declared const here
  constexpr void remove_suffix(size_type n) {
  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:348:18: error: constexpr function's return type 'void' is not a literal type
  constexpr void remove_suffix(size_type n) {
                 ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:358:11: error: no viable overloaded '='
    *this = s;
    ~~~~~ ^ ~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:161:7: note: candidate function (the implicit copy assignment operator) not viable: 'this' argument has type 'const absl::string_view', but method is not marked const
class string_view {
      ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:161:7: note: candidate function (the implicit move assignment operator) not viable: 'this' argument has type 'const absl::string_view', but method is not marked const
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/string_view.h:356:18: error: constexpr function's return type 'void' is not a literal type
  constexpr void swap(string_view& s) noexcept {
                 ^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:107:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/stubs/common.h:22:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/stubs/port.h:22:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/port_def.inc:159:1: error: static assertion failed due to requirement '201103L >= 201402L': Protobuf only supports C++14 and newer.
static_assert(PROTOBUF_CPLUSPLUS_MIN(201402L), "Protobuf only supports C++14 and newer.");
^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:107:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/stubs/common.h:34:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/port_def.inc:159:1: error: static assertion failed due to requirement '201103L >= 201402L': Protobuf only supports C++14 and newer.
static_assert(PROTOBUF_CPLUSPLUS_MIN(201402L), "Protobuf only supports C++14 and newer.");
^             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:109:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/absl_check.h:38:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_impl.h:19:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_op.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/strip.h:24:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/log_message.h:41:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/log_entry.h:35:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/time/time.h:284:11: error: cannot assign to non-static data member within const member function 'operator='
      hi_ = static_cast<uint32_t>(unsigned_value >> 32);
      ~~~ ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/time/time.h:278:22: note: member function 'absl::Duration::HiRep::operator=' is declared const here
    constexpr HiRep& operator=(const int64_t value) {
    ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/time/time.h:285:11: error: cannot assign to non-static data member within const member function 'operator='
      lo_ = static_cast<uint32_t>(unsigned_value);
      ~~~ ^
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/time/time.h:278:22: note: member function 'absl::Duration::HiRep::operator=' is declared const here
    constexpr HiRep& operator=(const int64_t value) {
    ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/time/time.h:286:14: error: binding reference of type 'HiRep' to value of type 'const absl::Duration::HiRep' drops 'const' qualifier
      return *this;
             ^~~~~
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:109:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/absl_check.h:38:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_impl.h:19:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_op.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/strip.h:24:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/log_message.h:41:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/log_entry.h:36:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/span.h:69:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/internal/span.h:119:21: error: no template named 'remove_const_t' in namespace 'std'; did you mean simply 'remove_const_t'?
  using Container = std::remove_const_t<T>;
                    ^~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/meta/type_traits.h:241:1: note: 'remove_const_t' declared here
using remove_const_t = typename std::remove_const<T>::type;
^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:109:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/absl_check.h:38:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_impl.h:19:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_op.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/strip.h:24:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/log_message.h:41:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/log_entry.h:36:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/span.h:69:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/internal/span.h:130:24: error: no template named 'enable_if_t' in namespace 'std'; did you mean simply 'enable_if_t'?
using EnableIfIsView = std::enable_if_t<IsView<T>::value, int>;
                       ^~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/meta/type_traits.h:307:1: note: 'enable_if_t' declared here
using enable_if_t = typename std::enable_if<B, T>::type;
^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:109:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/absl_check.h:38:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_impl.h:19:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_op.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/strip.h:24:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/log_message.h:41:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/log_entry.h:36:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/span.h:69:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/types/internal/span.h:133:27: error: no template named 'enable_if_t' in namespace 'std'; did you mean simply 'enable_if_t'?
using EnableIfNotIsView = std::enable_if_t<!IsView<T>::value, int>;
                          ^~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/meta/type_traits.h:307:1: note: 'enable_if_t' declared here
using enable_if_t = typename std::enable_if<B, T>::type;
^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:109:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/absl_check.h:38:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_impl.h:19:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/check_op.h:37:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/strip.h:24:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/log/internal/log_message.h:43:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/internal/has_absl_stringify.h:46:8: error: no template named 'enable_if_t' in namespace 'std'; did you mean simply 'enable_if_t'?
    T, std::enable_if_t<std::is_void<decltype(AbslStringify(
       ^~~~~
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/meta/type_traits.h:307:1: note: 'enable_if_t' declared here
using enable_if_t = typename std::enable_if<B, T>::type;
^
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.cc:4:
In file included from /Users/pbulk/build/graphics/opencv/work/opencv-3.4.16/build/modules/dnn/opencv-caffe.pb.h:26:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/google/protobuf/io/coded_stream.h:111:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/strings/cord.h:78:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/container/inlined_vector.h:53:
In file included from /Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/container/internal/inlined_vector.h:30:
/Users/pbulk/build/graphics/opencv/work/.buildlink/include/absl/container/internal/compressed_tuple.h:77:16: error: no member named 'is_final' in namespace 'std'
         !std::is_final<T>::value &&
          ~~~~~^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
gmake[2]: *** [modules/dnn/CMakeFiles/opencv_dnn.dir/build.make:156: modules/dnn/CMakeFiles/opencv_dnn.dir/opencv-caffe.pb.cc.o] Error 1
gmake[1]: *** [CMakeFiles/Makefile2:2374: modules/dnn/CMakeFiles/opencv_dnn.dir/all] Error 2
gmake: *** [Makefile:166: all] Error 2
*** Error code 2

Stop.
bmake[1]: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/graphics/opencv
*** Error code 1

Stop.
bmake: stopped in /Volumes/data/jenkins/workspace/pkgsrc-macos11-trunk-arm64/graphics/opencv