if(USE_SYSTEM_ZLIB) list(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}) find_package(ZLIB) list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}) else() add_library(ZLIB::ZLIB INTERFACE IMPORTED) set_target_properties(ZLIB::ZLIB PROPERTIES INTERFACE_LINK_LIBRARIES zlibstatic INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_SOURCE_DIR}/3rdparty/zlib/zlib;${CMAKE_BINARY_DIR}/3rdparty/zlib/zlib") set(ZLIB_FOUND TRUE) endif()