gdb cannot find "../sysdeps/unix/syscall-template.S"

[Linux Mercedes]

> (gdb) set filename-display absolute

Well, now it's looking for a file in
/build/buildd/eglibc-2.19/io/../sysdeps/unix/syscall-template.S
(replace io with misc, posix, resource, and a handful of others).

> Then there are various substitution commands in GDB how to point it to the
> right directory.

Is there a way to just not have GDB try to debug that, or to suppress
this error? As Mike Frysinger points out, that source isn't going to
be particularly helpful to look at anyway.