build: complain if fossil version of gnutls is installed
build: complain if fossil version of gnutls is installed

scylladb/seastar,sjperkins/seastar,sjperkins/seastar,syuu1228/seastar,cloudius-systems/seastar,scylladb/seastar,syuu1228/seastar,cloudius-systems/seastar,sjperkins/seastar,scylladb/seastar,avikivity/seastar,dreamsxin/seastar,avikivity/seastar,cloudius-systems/seastar,dreamsxin/seastar,dreamsxin/seastar,kjniemi/seastar,kjniemi/seastar,kjniemi/seastar,syuu1228/seastar,avikivity/seastar