1. Optionally link with libc_r to get plpython working. [1] 2. Fix kerberos build. [2] 3. There was a duplication of some declarations. [3] PR: ports/52851 PR: ports/51080 [2] Submitted by: Mike Meyer <mwm@mired.org> [1] Submitted by: Gerweck <andy@tacnode.com> [2] Pointed out by: Mike Harding <mvh@ix.netcom.com> [3] Submitted by: Palle Girgensohn <girgen@pingpong.net> (maintainer)