pmerge --pretend --verbose
[ebuild U ] dev-lang/perl-5.44.0:0/5.44::gentoo [5.42.0-r1:0/5.42::gentoo] USE="gdbm -berkdb -doc -minimal" PERL_FEATURES="ithreads (-debug) -quadmath" 14.4 MiB
[ebuild N ] virtual/perl-IO-Socket-IP-0.440.0::gentoo
[ebuild N ] dev-perl/ExtUtils-Config-0.10.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 13.1 KiB
[ebuild N ] dev-perl/ExtUtils-Helpers-0.28.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 16.2 KiB
[ebuild N ] dev-perl/ExtUtils-InstallPaths-0.15.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 18.8 KiB
[ebuild N ] virtual/perl-Getopt-Long-2.580.0-r2::gentoo
[ebuild N ] dev-perl/CPAN-Meta-Requirements-2.145.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 33.3 KiB
[ebuild N ] dev-perl/ExtUtils-HasCompiler-0.25.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 15.8 KiB
[ebuild N ] dev-perl/CPAN-Requirements-Dynamic-0.1.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 13.3 KiB
[ebuild N ] dev-perl/Module-Build-Tiny-0.52.0::gentoo USE="-minimal -test" PERL_FEATURES="ithreads (-debug) -quadmath" 22.4 KiB
[ebuild N ] dev-perl/HTTP-Daemon-6.160.0-r1::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 44.8 KiB
[ebuild N ] dev-perl/Frontier-RPC-0.07_beta4-r5::gentoo USE="-examples -test" PERL_FEATURES="ithreads (-debug) -quadmath" 21.2 KiB
Total: 12 packages (11 new, 1 upgrade), Size of downloads: 14.6 MiB
* Running sanity checks...
>>> dev-lang/perl-5.44.0: 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: dev-lang/perl-5.44.0:: failed (pretend phase):
* USE flag 'perl_features_ithreads' not in IUSE for dev-lang/perl-5.44.0
*
* Call stack:
* isolated-functions.bash, line 333: called pkg_pretend
* ebuild.bash, line 1834: called use 'perl_features_ithreads'
* pkg_pretend, line 145: called die
*
* Working directory: '/var/tmp/portage'
!!! Sanity checks failed, exiting...
- Wall time
- 0.759 s vs. 0.746 s for portage-ng