Comment # 6 on bug 1223783 from Atri Bhattacharya

(In reply to Richard Biener from comment #4)
> Note one important step will be to make sure (at least for the shared
> libraries) that no symbols are removed.  Ideally that should be the case for
> the static libraries as well - we've had multiple issues here in the past
> with lapack deprecating APIs and not building them by default when not specially asked.

I thought exactly the same, so we build with `cmake...  -DBUILD_DEPRECATED=ON`
to build all deprecated symbols into the shared libs, but I will go over the
cmake files to see if there is any additional flags to be enabled for something
this does not already take care of.

Thanks for the feedback.