[Bug bootstrap/106472] No rule to make target '../libbacktrace/libbacktrace.la', needed by 'libgo.la'.

[sumbera at volny dot cz via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106472

--- Comment #4 from Petr Sumbera <sumbera at volny dot cz> ---
(In reply to Richard Biener from comment #3)
> There is dependencies = { module=all-target-libgo;
> on=all-target-libbacktrace; }
> in Makefile.def so there's sth fishy going on.  Do you use GNU make?

Yes. GNU Make 4.3.