我们通常需要使用不同版本的opencv,这时候如果用cmake构建工程,直接指定本地编译好的路径就可以,在CMakeLists.txt中添加:
set(OpenCV_DIR “/home/zzy/downloads/3party/opencv-4.4.0/build/”)
cmake更新
vscode:
"code-runner.executorMap": { "javascript": "node", "java": "cd $dir && javac $fileName && java $fileNameWithoutExt", "c": "cd $dir && gcc $fileName -o $fileNameWithoutExt && $dir$fileNameWithoutExt", "cpp": "cd $dir && g++ -std=c++2a $fileName -o $fileNameWithoutExt && $dir$fileNameWithoutExt", "objective-c": "cd $dir && gcc -framework Cocoa $fileName -o $fileNameWithoutExt && $dir$fileNameWithoutExt", "php": "php", "python": "cd $dir && python -u $fileName" }
EIGEN3 CMAKE 报错:
Update my Eigen version from 3.2 to 3.3.9 (git clone && make && make install)
Then replace find_package(Eigen3 REQUIRED) to
list(APPEND CMAKE_INCLUDE_PATH "/usr/local/include") find_package (Eigen3 3.3 REQUIRED NO_MODULE)
needed by /usr/local/lib/libpangolin.so, not found (try using -rpath or -rpath-link)报错:
sudo apt-get install libpython3.9
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