pmerge --pretend --verbose
[ebuild N ] media-libs/libv4l-1.32.0-r1::gentoo USE="jpeg utils -bpf -doc -dvb -qt6 -tracer" 1.3 MiB
[ebuild N ] app-text/iso-codes-4.20.1::gentoo 15.6 MiB
[ebuild N ] media-libs/alsa-topology-conf-1.2.5.1-r1::gentoo USE="-verify-sig" 11.4 KiB
[ebuild N ] media-libs/alsa-ucm-conf-1.2.16.1::gentoo USE="-verify-sig" 82.3 KiB
[ebuild N ] media-libs/alsa-lib-1.2.16.1::gentoo USE="python -debug -doc -verify-sig" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13 (-python3_15)" 1.1 MiB
[ebuild N ] media-libs/libogg-1.3.6::gentoo USE="-static-libs" 429.6 KiB
[ebuild N ] dev-lang/orc-0.4.42::gentoo USE="-static-libs -test" 274.2 KiB
[ebuild N ] media-libs/libvorbis-1.3.7-r2::gentoo USE="-static-libs -test" 1.1 MiB
[ebuild N ] x11-libs/libXv-1.0.13::gentoo USE="-doc" 274.9 KiB
[ebuild N ] media-libs/graphene-1.10.8-r1::gentoo USE="-doc -introspection -test" CPU_FLAGS_X86="sse2" 174.4 KiB
[ebuild N ] media-libs/gstreamer-1.26.11:1.0::gentoo USE="caps nls -introspection -ptp -test -unwind -verify-sig" 1.8 MiB
[ebuild N ] media-libs/gst-plugins-base-1.26.11:1.0::gentoo USE="X alsa egl gles2 nls ogg opengl orc pango vorbis -gbm -introspection -ivorbis -test -theora -verify-sig -wayland" 2.4 MiB
[ebuild N ] media-libs/gst-plugins-good-1.26.11:1.0::gentoo USE="nls orc -test -verify-sig" 2.9 MiB
[ebuild N ] media-plugins/gst-plugins-v4l2-1.24.13:1.0::gentoo USE="-udev" 2.8 MiB
Total: 14 packages (14 new), Size of downloads: 30.3 MiB
* Running sanity checks...
>>> media-libs/libv4l-1.32.0-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: media-libs/libv4l-1.32.0-r1:: failed (pretend phase):
* USE flag 'bpf' not in IUSE for media-libs/libv4l-1.32.0-r1
*
* Call stack:
* isolated-functions.bash, line 333: called pkg_pretend
* ebuild.bash, line 3581: called check_llvm
* ebuild.bash, line 1831: called use 'bpf'
* pkg_pretend, line 145: called die
*
* Working directory: '/var/tmp/portage'
!!! Sanity checks failed, exiting...
- Wall time
- 0.841 s vs. 0.218 s for portage-ng