pkg/56216: QEMU broken on NetBSD 9

[nia%pkgsrc.org@localhost]

>Number:         56216
>Category:       pkg
>Synopsis:       QEMU broken on NetBSD 9
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat May 29 06:45:00 +0000 2021
>Originator:     nia
>Release:        netbsd-9, pkgsrc-current
>Organization:
The NetBSD Foundation
>Environment:
amd64
>Description:
The QEMU NVMM patchset assumes the presence of NVMM_VCPU_EXIT_STOPPED,
which was only added to NetBSD-current in March, so QEMU no longer builds
on NetBSD 9/amd64:

http://www.ki.nu/pkgsrc/reports/current/NetBSD-9.0/20210526.1439/qemu-6.0.0nb1/build.log
>How-To-Repeat:

>Fix: