合项目分支代码的时候,cmake出现大量的警告 deprecated-declarations,于是我按照网上的教程改了CMakeLists.txt,增加下面的属性set(CMAKE_CXX_FLAGS "-Wno-error=deprecated-declarations -Wno-deprecated-declarations ") 结果导致项目中出现大量的cv找不到。 这里项目中CMakeLists.txt关于opencv##OpenCV if(WITH_OPENCV) set(OpenCV_FIND_QUIETLY true) #find_package(OpenCV REQUIRED) //this will include opencv_ts which result in crash on centos find_package(OpenCV OPTIONAL_COMPONENTS imgcodecs) set(imgcodecs_libs ${OpenCV_LIBS}) find_package(OpenCV REQUIRED core imgproc highgui features2d) if(OpenCV_FOUND) if(imgcodecs_FOUND) list(APPEND OpenCV_LIBS imgcodecs_libs) endif() message(STATUS "HAVE_OPENCV enabled") message(STATUS "opencv libraries: ${OpenCV_LIBS}") set(HAVE_OPENCV true) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_OPENCV") else() set (HAVE_OPENCV false) endif() else() set (HAVE_OPENCV false) endif()#ifdef HAVE_OPENCV #include "opencv2/highgui/highgui.hpp" #include "opencv2/imgproc/imgproc.hpp" #if (CV_MAJOR_VERSION >= 3) #include "opencv2/imgcodecs/imgcodecs.hpp" #endif #endif 之前的是正确的其实是正确的。 我增加那条属性是干什么 因为项目中之前有些函数,马上就要因为版本更新不使用了,于是在该函数加上attribute_deprecated 这个属性。 所以出现deprecated-declarations警告 正确的解决方案 之前的函数要弃用,别人已经通过attribute_deprecated告诉我们了。所以我们新的代码就要更新,而不是在CMakeLists.txt忽略这个警告。 |
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