1.8.0 installs the mix of static and shared libraries:
lib/libtdactor.a
lib/libtdapi.so
lib/libtdapi.so.1.8.0
lib/libtdclient.so
lib/libtdclient.so.1.8.0
lib/libtdcore.a
lib/libtddb.a
lib/libtdjson.so
lib/libtdjson.so.1.8.0
lib/libtdjson_private.a
lib/libtdjson_static.a
lib/libtdnet.a
lib/libtdsqlite.a
lib/libtdutils.a
The cmake's standard variable BUILD_SHARED_LIBS should be driving what kind of libraries is built, unless there is a good reason otherwise.