portage-ng / portage / app-arch / rpm / 4.20.1-r2
pmerge --pretend --verbose
[ebuild  N     ] app-crypt/rpm-sequoia-1.10.2::gentoo USE="openssl -debug -nettle" LLVM_SLOT="22 -20 -21" 33.2 MiB
[ebuild  N     ] app-arch/rpm-4.20.1-r2::gentoo USE="acl bzip2 dbus iconv nls openmp python readline sequoia sqlite zstd -audit -berkdb -caps -doc -lzma (-selinux)" LUA_SINGLE_TARGET="lua5-4 -lua5-3" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 4.3 MiB

Total: 2 packages (2 new), Size of downloads: 37.5 MiB


 * Running sanity checks...
>>> app-arch/rpm-4.20.1-r2: 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: app-arch/rpm-4.20.1-r2:: failed (pretend phase):
  *   USE flag 'openmp' not in IUSE for app-arch/rpm-4.20.1-r2
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 2845:  called use 'openmp'
  *                pkg_pretend, line  145:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...

Wall time
0.770 s vs. 0.078 s for portage-ng