There may be other qemu use flags missing from use.desc also. Reproducible: Always Steps to Reproduce: 1. emerge slocate 2. sudo updatedb 3. grep kqemu `locate use.desc` Actual Results: nothing Expected Results: entry for kqemu use flag I had to delve into the ebuild file to figure out if such a use flag existed.
-use.desc is for global use flags -use.local.desc if for local use flags kqemu is a local use flag only. You may enjoy the quse command from app-portage/portage-utils.. %% quse -D kqemu local:kqemu:app-emulation/qemu: Enables the kernel acceleration module on a x86/x86-64 cpu local:kqemu:app-emulation/qemu-softmmu: Enables the kernel acceleration module on a x86/x86-64 cpu (Closing bug report, not a bug)