What does it mean if two debuginfo packages create the same dwz build ID file?

[Jan Kratochvil]

On Sat, 14 Sep 2013 14:17:28 +0200, Richard W.M. Jones wrote:
> What I didn't understand is what these /usr/lib/debug/.dwz/* files
> are.  Are they related to some files that we're building and how?

It is the dwz (=debuginfo size optimizer) option -m:

-m FILE --multifile FILE
	[...] create ELF object FILE and put debugging information duplicated
	in more than one object there, [...]


Jan