libsefs-dev 3.3.7-2 (i386 binary) in ubuntu quantal

 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
 for indexing and analyzing a snapshot of security contexts for
 SELinux file-system entities.