對Using OpenCV with gcc and CMake的補充
阿新 • • 發佈:2022-02-11
https://docs.opencv.org/4.5.5/db/df5/tutorial_linux_gcc_cmake.html
寫的已經不錯,我補充點,讓教程更便捷。
opencv原始碼編譯
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/home/xxx/cv ..
make
make install
編譯好的標頭檔案和庫就都安裝到 /home/xxx 目錄下的cv檔案夾了。主要是不想汙染 /lib
cmake list寫法
官方教程裡用了
find_package( OpenCV REQUIRED ) 配置有點麻煩。我暫時沒有用,而是這麼寫的:
cmake_minimum_required(VERSION 2.8) project( test00 ) include_directories( /home/xxx/cv/include/opencv4 } ) add_executable( test00 main.cpp arrowedline2.cpp ) target_link_libraries( test00 /home/xxx/cv/lib/libopencv_core.so /home/xxx/cv/lib/libopencv_imgproc.so /home/xxx/cv/lib/libopencv_highgui.so /home/xxx/cv/lib/libopencv_imgcodecs.so ) set(CMAKE_BUILD_TYPE "Release") if( CMAKE_BUILD_TYPE STREQUAL "Debug" ) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g -Wall -Wno-unused-variable -pthread") else( CMAKE_BUILD_TYPE STREQUAL "Debug" ) set(CMAKE_BUILD_TYPE "Release") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -O2 -pthread -fopenmp") endif( CMAKE_BUILD_TYPE STREQUAL "Debug" ) message("Build Type:"${CMAKE_BUILD_TYPE} ${CMAKE_CXX_FLAGS})
set(CMAKE_BUILD_TYPE "Release") 之後的部分不重要,可以全部去掉。
其他的按照官方教程走,沒問題