libevent-dev 0.8-2 (ia64 binary) in ubuntu hoary

Development libraries, header files and docs for libevent
 Contains the header files, documentation, examples and static libraries
 for use in developing applications that use the libevent library.
 .
 The libevent library is an asynchronous event notification library
 that provides a mechanish to execute a callback function when a specific
 event occurs on a file descriptor or after a timeout has been reached.