389-ds-base-dev 1.2.10.4-0ubuntu3.1 (i386 binary) in ubuntu precise

 The 389 Directory Server is a robust, scalable open-source server
 designed to manage large directories of users and resources. It is based
 on an open-systems server protocol called the Lightweight Directory
 Access Protocol (LDAP).
 .
 This package contains development headers for the core libraries
 of the 389 Directory Server, useful for developing plugins without
 having to install the server itself.