dnl - if you change ABI (meaning add/remove/modify), then always update `current`
dnl - if you modify lib (that means ALL modifies), then increase `revision`
dnl - if you want backward compatibility, then use `age`
LIBPKG_CURRENT=3
LIBPKG_CURRENT=4
LIBPKG_REVISION=0
LIBPKG_AGE=0
LIBPKG_SO_VERSION="$LIBPKG_CURRENT:$LIBPKG_REVISION:$LIBPKG_AGE"