c++下opencv报错：undefined reference to`cv::fastFree(void*)'/tmp/cc9yZhef.o:In function`cv::Mat::release_main.cpp:(.text._zn2cv3mat7releaseev[_zn2cv3mat7re

作者：知新_RL | 2024-03-24 06:35:27

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main.cpp:(.text._zn2cv3mat7releaseev[_zn2cv3mat7releaseev]+0x4b): undefined

错误信息：

/tmp/cc9yZhef.o: In function `cv::Mat::~Mat()':

main.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x39): undefined reference to `cv::fastFree(void*)'
/tmp/cc9yZhef.o: In function `cv::Mat::release()':
main.cpp:(.text._ZN2cv3Mat7releaseEv[_ZN2cv3Mat7releaseEv]+0x47): undefined reference to `cv::Mat::deallocate()'

collect2: error: ld returned 1 exit status

排查错误：

# g++ main.cpp `pkg-config opencv --libs --cflags opencv`

出现：

Package opencv was not found in the pkg-config search path.

Perhaps you should add the directory containing `opencv.pc'
to the PKG_CONFIG_PATH environment variable
No package 'opencv' found
Package opencv was not found in the pkg-config search path.
Perhaps you should add the dir

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