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-Time-HiRes-1.978.0::gentoo
[ebuild N ] dev-perl/Class-XSAccessor-1.190.0-r3::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 78.9 KiB
[ebuild N ] virtual/perl-Getopt-Long-2.580.0-r2::gentoo
[ebuild N ] dev-perl/Unicode-UTF8-0.620.0-r1::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 85.8 KiB
[ebuild N ] dev-perl/Path-Tiny-0.150.0::gentoo USE="-minimal -test" PERL_FEATURES="ithreads (-debug) -quadmath" 103.4 KiB
[ebuild N ] dev-perl/Data-Dump-1.250.0::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 20.4 KiB
[ebuild N ] virtual/perl-Test-Simple-1.302.219::gentoo
[ebuild N ] dev-perl/Test-Trap-0.3.5::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 54.3 KiB
[ebuild N ] app-text/App-XML-DocBook-Builder-0.100.300-r1::gentoo USE="-test" PERL_FEATURES="ithreads (-debug) -quadmath" 18.0 KiB
Total: 10 packages (9 new, 1 upgrade), Size of downloads: 14.7 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
- 0.761 s vs. 0.732 s for portage-ng