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#项目的名称PROJECT(SAMPLE)#cmake 的版本cmake_minimum_required(VERSION 2.4)# 查找是否安装了OpenCVFIND_PACKAGE(OpenCV REQUIRED )IF(${OpenCV_VERSION} VERSION_LESS 3.4.5)    MESSGAE(FATAL_ERROR “OPENCV version is not compatible: ${OpenCV_VERSION}")ENDIF()# 设置include文件INCLUDE_DIRECTORIES(${OPENCV_INCLUDE_DIR}${CMAKE_CURRENT_SOURCE_DIR})# 设置lib 文件link_directories(${OpenCV_LIBRARY_DIR})# 设置lib 输出目录SET( LIBRARY_OUTPUT_PATH  ${SAMPLE_DIR}/../lib CACHE PATH“Output directory for the sample library")# 设置运行输出目录SET(EXECUTABLE_OUTPUT_PATH ${SAMPLE_DIR}/../bin CACHE PATH“Output directory for the sample executables")# 下一个CmakeLists.txt 文件包含进来SUBDIRS(src/ft  #相对路径)或着：add_subdirectory(src/ft)# lib 文件SET(ft_sources  ft.hpp  ft_data.hpp  ft_data.cpp)ADD_LIBRARY(ft ${ft_sources})TARGET_LINK_LIBRARIES(ft ${OpenCV_LIBS})#生成执行二进制文件ADD_EXECUTABLE(main main.cpp context.cpp patten.cpp patten.hpp )TARGET_LINK_LIBRARIES(main ${OpenCV_LIBS} ft)#可以有install(TARGETS main DESTINATION bin)

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