I recently found references to the jPackage yum repository, but it wasn't obvious how to get a valid yum repo reference created. Then I found www.fedoratracker.org...
If you have a complex source tree (multiple components being built in separate directories), you probably need to specify your complexity in ~/.gdbinit.
Devel::Cover is a great code coverage tool for Perl. With this, you get subroutine, statement, conditional and branch analisys. Using Module::Build simplifies the integration of your test suite into the code coverage analysis runs.