Do it for all packages that
* mention perl, or
* have a directory name starting with p5-*, or
* depend on a package starting with p5-
like last time, for 5.18, where this didn't lead to complaints.
Let me know if you have any this time.
These tools are for use by developers so that they can create more
robust applications. Especially of use to those developing
multi-threaded applications in C++ with templates. Includes TCMalloc,
heap-checker, heap-profiler, and CPU-profiler.