ubuntu卸载opencv并重装opencv3.0.0 一. 卸载opencv2.4.9: Going to the "build" folder directory of opencv from terminal, and execute the following: $ sudo make uninstall $ cd .. $ sudo rm -r build $ sudo rm -r /usr/local/include/opencv2 /usr/local/include/
解决参考 http://askubuntu.com/questions/190246/ld-cannot-find-math-library you should use -lm at the end.because unresolved symbols are found after gcc encounters montecarlo_time.o and there is no library or anything else in which it can find it can reso