find hg revision even if github author name is not the same as hg author (kodabb vs koda)
#libraries have already been searched in main CMakeLists.txt
include_directories(${LIBAV_INCLUDE_DIR})
add_library(avwrapper avwrapper.c)
#TODO: find good VERSION and SOVERSION values
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})