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

[jeffrey.rahr at baesystems dot com]

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

--- Comment #19 from Jeff Rahr <jeffrey.rahr at baesystems dot com> ---
I added D language to my build and was able to get 12.2 to build "out of the
box" without editing Makefile.def on x86-64-pc-linux-gnu. Make is using 4
processors.