portage-ng / portage / net-proxy / privoxy / 4.2.0
pmerge --pretend --verbose
[ebuild  N     ] acct-group/privoxy-0-r3::gentoo
[ebuild  N     ] acct-user/privoxy-0-r3::gentoo
[ebuild  N     ] net-proxy/privoxy-4.2.0::gentoo USE="acl fast-redirects force image-blocking ipv6 jit openssl ssl stats threads zlib zstd -brotli -client-tags -compression -editor -extended-host-patterns -extended-statistics -external-filters -fuzz -graceful-termination -lfs -mbedtls -png-images -sanitize (-selinux) -toggle -tools -whitelists" 1.7 MiB

Total: 3 packages (3 new), Size of downloads: 1.7 MiB


 * Running sanity checks...
>>> net-proxy/privoxy-4.2.0: 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: net-proxy/privoxy-4.2.0:: failed (pretend phase):
  *   USE flag 'threads' not in IUSE for net-proxy/privoxy-4.2.0
  * 
  * Call stack:
  *    isolated-functions.bash, line  333:  called pkg_pretend
  *                ebuild.bash, line 1242:  called use 'threads'
  *                pkg_pretend, line  145:  called die
  * 
  * Working directory: '/var/tmp/portage'

!!! Sanity checks failed, exiting...

Wall time
1.200 s vs. 0.026 s for portage-ng