Someone didn't understand why they couldn't rejoin a game. Maybe this will help
#libraries have already been searched in main CMakeLists.txt
include_directories(${LIBAV_INCLUDE_DIR})
add_library(avwrapper avwrapper.c)
set_target_properties(avwrapper PROPERTIES
VERSION 1.0
SOVERSION 1.0)
target_link_libraries(avwrapper ${LIBAV_LIBRARIES})
install(TARGETS avwrapper RUNTIME DESTINATION ${target_binary_install_dir}
LIBRARY DESTINATION ${target_library_install_dir}
ARCHIVE DESTINATION ${target_library_install_dir})