A problem report on 12 January 2026 on the debian-68k mailing list
addressed gcc out-of-memory compilation issues on that system by
adding the gcc options

	    -no-integrated-cpp

	    --param ggc-min-expand=10

See

	https://wiki.debian.org/ReduceBuildMemoryOverhead

This also applies to HPPA, PowerPC, and SH4 CPUs.