https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99453
--- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #12)
> Like so:
>
> @libname=`sed -ne "/^library_names=/{s/.*='//;s/'$$//;s/ .*//;p;}" \
> $(DESTDIR)$(toolexeclibdir)/libstdc++.la`; \
> libname='' ; \
Oops, that line was present while testing, but shouldn't be there!
> if [ -z "$$libname" ]; then \
> libname=`sed -ne "/^old_library=/{s/.*='//;s/'$$//;s/ .*//;p;}" \
> $(DESTDIR)$(toolexeclibdir)/libstdc++.la`; \
> fi; \
> echo " $(INSTALL_DATA) gdb.py
> $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py"; \
> $(INSTALL_DATA) gdb.py $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py
