libapol-dev 2.4-3 (i386 binary) in ubuntu feisty

 Security-enhanced Linux is a patch of the Linux kernel and a number
 of utilities with enhanced security functionality designed to add
 mandatory access controls to Linux. This package contains the
 headers and archives used for linking to the library routines used in
 the main policy analysis library, which is the core library for all
 of the Tresys tools.