device: 0.961 graphic: 0.940 instruction: 0.884 network: 0.880 vnc: 0.859 socket: 0.807 semantic: 0.804 boot: 0.693 assembly: 0.552 other: 0.463 mistranslation: 0.251 KVM: 0.202 Build failure when configuring CONFIG_VHOST_USER_FS/CONFIG_VIRTIO Description of problem: Attempting to configure CONFIG_VHOST_USER_FS or CONFIG_VIRTIO results in a build failure. Complete build log (with configure output) is attached. Steps to reproduce: 1. Add `CONFIG_VIRTIO` and `CONFIG_VHOST_USER_FS` (`y` *or* `n`) to `configs/devices/x86_64-softmmu/gentoo.mak` (done via the [ebuild](https://github.com/gentoo/gentoo/blob/master/app-emulation/qemu/qemu-7.1.0.ebuild)) 2. Configure with `--with-devices-x86_64=gentoo` 3. Attempt building Additional information: [build.log](/uploads/72fc1284f5245d9384e521d3b1c65953/build.log) Reported downstream [here](https://bugs.gentoo.org/873190).