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

Richard W.M. Jones rjones at redhat.com
Sat Sep 14 09:56:26 UTC 2013


Since the OCaml native code compiler has produced DWARF information
for some time, I just started to build debuginfo packages.

For example:
  http://koji.fedoraproject.org/koji/rpminfo?rpmID=4407232
has:
  /usr/lib/debug/.build-id/da/39a3ee5e6b4b0d3255bfef95601890afd80709.debug
which is a symlink to:
  /usr/lib/debug/.dwz/ocaml-pcre-7.0.2-5.fc21.x86_64

But also:
  http://koji.fedoraproject.org/koji/rpminfo?rpmID=4407318
has:
  /usr/lib/debug/.build-id/da/39a3ee5e6b4b0d3255bfef95601890afd80709.debug
which is a symlink to:
  /usr/lib/debug/.dwz/ocaml-gettext-0.3.4-11.fc21.x86_64

Obviously this prevents me from installing both debuginfo packages at
the same time.

This only affects a few packages.  It looks as if the debuginfo being
produced is good -- as in, it's not empty and it works in gdb.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org


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