cmake：cmakelist常用内容模板

cmake_minimum_required(VERSION 3.26)
project(my_project)

set(WITH_TEST_MAIN ON) # 是否使用debug模式

set(USE_OPENCV OFF) # 不使用opencv模块

set(CMAKE_CXX_STANDARD 17) # 指定编译使用的C++标准

set(CMAKE_VERBOSE_MAKEFILE on) # 是否显示所有执行的完整编译和链接命令，而不仅仅是简化的输出
ADD_DEFINITIONS(-D_GLIBCXX_USE_CXX11_ABI=0) # not use cxx11
set(CMAKE_SKIP_RPATH TRUE) # not use rpath

if (WITH_TEST_MAIN)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread")
    set(CMAKE_BUILD_TYPE Debug) # Debug Release
else ()
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -pthread -fstack-protector-all -fPIC -D_FORTIFY_SOURCE=2 -O2 -s")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pthread -fstack-protector-all  -fPIC -D_FORTIFY_SOURCE=2 -O2 -s")
    set(CMAKE_SHARED_LINKER_FLAGS "-Wl,-z,relro -Wl,-z,noexecstack -Wl,-z,now -s")
    set(CMAKE_BUILD_TYPE Release) # Debug Release
endif()

# 编译目标文件的存放路径
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/binrun)
set(LIBRARY_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/binrun)
set(EXECUTABLE_OUTPUT_PATH ${CMAKE_SOURCE_DIR}/binrun)


set(BUSINESS_SRC_CODE) # 设置源文件集合
set(BUSINESS_SRC_INCLUDE) # 设置头文件集合
set(LINK_LIBRARY_CONTENTS) # 设置需要依赖的二进制库集合

if (USE_OPENCV)
    ADD_DEFINITIONS(-DCV__ENABLE_C_API_CTORS) # 启用opencv的C API构造函数
    set(OpenCV_DIR "path/to/opencv")
    find_package(OpenCV REQUIRED)
    set(BUSINESS_SRC_INCLUDE
        ${OpenCV_INCLUDE_DIRS}
        ${BUSINESS_SRC_INCLUDE}
        )
    set(LINK_LIBRARY_CONTENTS
        # opencv_core
        # opencv_imgproc
        ${OpenCV_LIBS}
        ${LINK_LIBRARY_CONTENTS}
        )
endif()

aux_source_directory(${CMAKE_SOURCE_DIR}/test src_test_main) # 给定目录下的所有源文件，不包括子文件夹
# file(GLOB SOURCE_FILES "src/*.cpp") # 搜索特定源文件
# file(GLOB_RECURSE SOURCE_FILES "src/*.cpp") # 递归搜索源文件，包括子文件夹
set(BUSINESS_SRC_CODE
    ${src_test_main}
    ${BUSINESS_SRC_CODE}
    )
set(BUSINESS_SRC_INCLUDE
    ${CMAKE_SOURCE_DIR}
    ${BUSINESS_SRC_INCLUDE}
    )

if(WITH_TEST_MAIN)
    add_executable(
        ${PROJECT_NAME}-test
        ${BUSINESS_SRC_CODE}
        )

    target_link_libraries( # Specifies the target library.
        ${PROJECT_NAME}-test
        ${LINK_LIBRARY_CONTENTS}
        )
else()
    add_library( # Sets the name of the library.
        ${PROJECT_NAME}

        # Sets the library as a shared library.
        SHARED

        # Provides a relative path to your source file(s).
        ${BUSINESS_SRC_CODE}
        )

    target_link_libraries( # Specifies the target library.
        ${PROJECT_NAME}
        ${LINK_LIBRARY_CONTENTS}
        )
endif()