Internet Connection via Ethernet Can't See External DNS

I am installing and configuring FreeBSD 4.8 for the first time. My internet connection is through a gateway on my peer to peer network. My internet connection is working because I can contact IP addresses on the internet. However, I cannot contact addresses requiring DNS. I have entered

MySQL install fails - can't find mysqlclient.14

I am working on installing MySQL 4.1 - Server on Freebsd 4.8. I have gone through several tries and am now stuck with the following error which comes up very quickly when I run make. seth# make === mysql-server-4.1.16 depends on file: /usr/local/bin/libtool15 -found