utils/ofThread.h:42:7: warning: 'class ofThread' has virtual functions and accessible non-virtual destructor

[lvdpower]

utils/ofThread.h:42:7: warning: 'class ofThread' has virtual functions and accessible non-virtual destructor

appear with "g++ main.cpp ofApp.cpp -std=c++17 -Wall -Wnon-virtual-dtor .... "

It seems necessary to add "virtual ~ofThread() { }

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