Fix debuginfo generation for Linux

[Thomas Fitzsimmons]

Andrew Haley wrote:
> In Linux packages we always generate full debuginfo, regardless of
> optimization.  Recent changes to OpenJDK have broken our debuginfo
> patches, and this new version of icedtea-debuginfo.patch fixes that, I
> hope.
> 
> We need to find some way to test debuginfo generation in our
> regression testing.  At the moment I can think of no easy way to do
> that: it's a hard problem because even if we detect that one file has
> correct debuginfo, that doesn't mean that _all_ files do.  Ideas
> welcome...

I'm surprised rpm's debuginfo package generation step doesn't include a 
"no debuginfo" check.  The relevant script is 
/usr/lib/rpm/find-debuginfo.sh.  Adding a check there would catch 
regressions at rpm build time.

Tom