These releases contain numerous bugs, some of which can be qualified "blocking". If you are considering installing a fresh LXR service, always prefer the latest release. You will experience a dramatic performance boost and installation is a lot easier.
Bug reports will not be accepted.
To successfully install your copy of LXR, go through the following steps:
You check and/or install all the required tools needed to run LXR
Instructions to unpack and install the tarball downloaded from the site
This is the auxiliary DB where LXR stores the cross-references
This covers only the easy case of a single tree
Load it with the data about your tree
A Turkish user has written an excellent guide for Ubuntu installation where some configuration directories have a different name (instructions here are rather Fedora oriented). It also deals with a Perl behavior trouble (related to the -T switch in the scripts) and suggests a workaround (though this is not recommended from a reliability/security point of view).
Once you've got LXR working on this simple case, you might consider customising its operation for your personal taste. Read the following: