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.
