../lib/libopencv_core.so: undefined reference to `pthread_mutexattr_destroy'
../../lib/libopencv_imgcodecs.so: undefined reference to `pthread_create'
../../lib/libopencv_imgcodecs.so: undefined reference to `png_init_filter_functions_neon'
../../lib/libopencv_core.so: undefined reference to `pthread_mutex_trylock'
../../lib/libopencv_core.so: undefined reference to `pthread_mutexattr_settype'
../../lib/libopencv_imgcodecs.so: undefined reference to `pthread_join'
../../lib/libopencv_core.so: undefined reference to `pthread_mutexattr_init'
collect2: error: ld returned 1 exit status
modules/core/CMakeFiles/opencv_test_core.dir/build.make:854: recipe for target 'bin/opencv_test_core' failed
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