portage-ng / portage / app-emulation / virtiofsd / 1.13.1
pmerge --pretend --verbose
[ebuild  N     ] sys-libs/libcap-ng-0.9.6::gentoo USE="python -bpf -deprecated -static-libs" PYTHON_TARGETS="python3_14 -python3_12 -python3_13" 181.9 KiB
[ebuild  N     ] app-emulation/virtiofsd-1.13.1::gentoo USE="-debug" 19.8 MiB

Total: 2 packages (2 new), Size of downloads: 20.0 MiB


 * Running sanity checks...
>>> sys-libs/libcap-ng-0.9.6: failed pkg_pretend
 /Volumes/Disk 1/gentoo-prefix/usr/lib/pkgcore/lib/pkgcore/ebd/.generated/libs/8/pkg_pretend: line 144: [[: invalid regular expression `': empty (sub)expression
  * ERROR: sys-libs/libcap-ng-0.9.6:: failed (pretend phase):
  *   USE flag 'bpf' not in IUSE for sys-libs/libcap-ng-0.9.6
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 2994:  called use 'bpf'
  *                pkg_pretend, line  145:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...

Wall time
0.775 s vs. 0.034 s for portage-ng