Imapd-2.1.15 configure error - newbie help

I am trying to ./configure cyrus and it tells me at the end... configure: error: Cannot continue without libsasl2. Get it from ftp://ftp.andrew.com.edu/pub/cyrus-mail/. But I have gone there and there is nothing that I can find to help. Any suggestions. This is for imapd-2.1.15 ALSO, i

Imapd-2.1.15 configure error - newbie help

I am trying to ./configure cyrus and it tells me at the end... configure: error: Cannot continue without libsasl2. Get it from ftp://ftp.andrew.com.edu/pub/cyrus-mail/. But I have gone there and there is nothing that I can find to help. Any suggestions. This is for imapd-2.1.15 ALSO, if anyo