These files are cross-compilers for the legOS system, built aginst the Debian 2.1 libraries. Unfortunately, no .debs are currently available.
Currently, the most up-to-date instructions for the use of these files can be found in the legOS HOWTO.
The file listing below is auto-generated, showing the current list of files in this directory. To get more information about them, try the links above or download them yourself.