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

[dilyan.palauzov at aegee dot org via Gcc-bugs]

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

--- Comment #36 from Дилян Палаузов <dilyan.palauzov at aegee dot org> ---
> maybe this ought to be a `depend=` entry in Makefile.def instead?

My understanding is that depend= only has effect for bootstrapped targets, and
there is no boot_language=yes in gcc/go/config-lang.in.