portage-ng / portage / media-gfx / nomacs / 3.21.0
emerge -vp

These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 0.95 s (backtrack: 0/20).


!!! The ebuild selected to satisfy ">=media-libs/opencv-3.4:=" has unmet requirements.
- media-libs/opencv-4.14.0::gentoo USE="eigen ffmpeg gif jpeg jpeg2k opengl openmp png python tiff truetype -atlas -avif -contrib -contribcvv -contribdnn -contribfreetype -contribhdf (-contribovis) -contribsfm -contribxfeatures2d -cuda -cudnn -debug -doc -examples -features2d -gdal -gflags -glog -gphoto2 -gstreamer -gtk3 -ieee1394 -jasper -java -lapack -mkl -non-free -opencl -opencvapps -openexr -openni -openni2 -qt6 -quirc -spng -tbb -tesseract -test -testprograms -v4l -vaapi -vtk -vulkan -wayland -webp -wechat-qrcode -xine" CPU_FLAGS_X86="avx avx2 avx512bw avx512cd avx512dq avx512f avx512vl f16c fma3 popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3 -avx512_4fmaps -avx512_4vnniw -avx512_bitalg -avx512_vbmi2 -avx512_vnni -avx512_vpopcntdq -avx512er -avx512ifma -avx512pf -avx512vbmi" PYTHON_TARGETS="python3_14 -python3_12 -python3_13" VIDEO_CARDS="-intel"

  The following REQUIRED_USE flag constraints are unsatisfied:
    opengl? ( any-of ( gtk3 qt6 wayland ) )

  The above constraints are a subset of the following complete expression:
    amd64? ( cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_avx2? ( cpu_flags_x86_f16c ) cpu_flags_x86_f16c? ( cpu_flags_x86_avx ) cpu_flags_x86_avx512er? ( cpu_flags_x86_avx512pf ) cpu_flags_x86_avx512pf? ( cpu_flags_x86_avx512er ) cpu_flags_x86_avx512_4fmaps? ( cpu_flags_x86_avx512_4fmaps ) cpu_flags_x86_avx512_4vnniw? ( cpu_flags_x86_avx512_4vnniw ) ) atlas? ( lapack ) cuda? ( contrib ) cudnn? ( cuda ) gflags? ( contrib ) glog? ( contrib ) contribcvv? ( contrib qt6 ) contribfreetype? ( contrib ) contribhdf? ( contrib ) contribovis? ( contrib ) contribsfm? ( contrib eigen gflags glog ) contribxfeatures2d? ( contrib ) jasper? ( !abi_x86_32 ) java? ( python ) mkl? ( lapack ) opengl? ( any-of ( gtk3 qt6 wayland ) ) python? ( any-of ( python_targets_python3_12 python_targets_python3_13 python_targets_python3_14 ) ) tesseract? ( contrib ) testprograms? ( test ) test? ( any-of ( ffmpeg gstreamer ) jpeg png tiff features2d ) wayland? ( !vtk ) wechat-qrcode? ( contribdnn )

(dependency required by "media-gfx/nomacs-3.21.0::gentoo[opencv]" [ebuild])
(dependency required by "=media-gfx/nomacs-3.21.0" [argument])

Wall time
1.929 s vs. 1.725 s for portage-ng