pmerge --pretend --verbose
[ebuild N ] sci-libs/fftw-3.3.10-r1:3.0/3::gentoo USE="openmp threads -doc -fortran -mpi -test (-zbus)" CPU_FLAGS_X86="avx avx2 fma3 sse sse2 -fma4" 4.0 MiB
[ebuild N ] dev-libs/crypto++-8.9.0:0/8.9.0::gentoo USE="asm openmp -static-libs -verify-sig" 8.9 MiB
[ebuild N ] app-crypt/codecrypt-1.8-r3::gentoo USE="cryptopp" 460.2 KiB
Total: 3 packages (3 new), Size of downloads: 13.3 MiB
* Running sanity checks...
>>> sci-libs/fftw-3.3.10-r1: 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: sci-libs/fftw-3.3.10-r1:: failed (pretend phase):
* USE flag 'openmp' not in IUSE for sci-libs/fftw-3.3.10-r1
*
* Call stack:
* isolated-functions.bash, line 333: called pkg_pretend
* ebuild.bash, line 2167: called use 'openmp'
* pkg_pretend, line 145: called die
*
* Working directory: '/var/tmp/portage'
>>> dev-libs/crypto++-8.9.0: 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-libs/crypto++-8.9.0:: failed (pretend phase):
* USE flag 'openmp' not in IUSE for dev-libs/crypto++-8.9.0
*
* Call stack:
* isolated-functions.bash, line 333: called pkg_pretend
* ebuild.bash, line 1153: called use 'openmp'
* pkg_pretend, line 145: called die
*
* Working directory: '/var/tmp/portage'
!!! Sanity checks failed, exiting...
- Wall time
- 1.004 s vs. 0.027 s for portage-ng