cmake添加ffmpeg静态链接库 编译测试程序

报错，发现少了libz库，安装并遍历libz库

CMakeLists：

cmake_minimum_required(VERSION 3.10)

project(ffmpegTest)

set(CMAKE_CXX_STANDARD 11)

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -pthread")

set (EXECUTABLE_OUTPUT_PATH ${PROJECT_SOURCE_DIR}/bin)

aux_source_directory (src SRC_LIST)

include_directories(${PROJECT_SOURCE_DIR}/include)

add_executable(main ${SRC_LIST})

target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libavformat.a)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libavdevice.a)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libavcodec.a)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libavutil.a) 
target_link_libraries(main pthread)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libswscale.a)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libz.a)
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libswresample.a) 
target_link_libraries(main ${PROJECT_SOURCE_DIR}/lib/libavutil.a)