https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116410
--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Sam James from comment #13) > (In reply to Jan Hubicka from comment #11) > > > We plan to adopt -ffat-lto-objects ourselves soon for at least a subset of > > > packages, so this was good timing. :) > > Note that -ffat-lto-objects has various issues, especially with library > > archives. The problem is that fat LTO object has two symbol tables (one > > ELF and one LTO) but ar and other utilities does not handle this and > > will pick one of the two symbol tables. In the case the symbol LTO and > > non-LTO symbol tables diverge, surprises happens. > > OK, so we should only do it with care & selectively for packages which must > install static libraries (like flex). > > > HJ had binutils patch solving this, but AFAIK it was not merged in. > > > > H.J., can I help with this at all? Here is the patch set: https://patchwork.sourceware.org/project/binutils/list/?series=38121
