CMakeFiles/inf2vis.dir/inf2vis_check.c.o：在函数‘cvPointFrom32f’中：/usr/local/include/opencv2/core/types_c.h:929：对‘cvRound’未定义的引用/usr/local/include/opencv2/core/types_c.h:930：对‘cvRound’未定义的引用CMakeFiles/inf2vis.dir/inf2vis_check.c.o：在函数‘cvReadInt’中：/usr/local/include/opencv2/core/core_c.h:2350：对‘cvRound’未定义的引用CMakeFiles/inf2vis.dir/inf2vis_check.c.o：在函数‘cvEllipseBox’中：/usr/local/include/opencv2/imgproc/imgproc_c.h:1041：对‘cvRound’未定义的引用/usr/local/include/opencv2/imgproc/imgproc_c.h:1042：对‘cvRound’未定义的引用collect2: error: ld returned 1 exit statusCMakeFiles/inf2vis.dir/build.make:94: recipe for target 'inf2vis' failedmake[2]: *** [inf2vis] Error 1CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/inf2vis.dir/all' failedmake[1]: *** [CMakeFiles/inf2vis.dir/all] Error 2Makefile:83: recipe for target 'all' failedmake: *** [all] Error 2
在CMakeList.txt中加入 add_definitions(-O4 -g)后可解决此问题。
