>>> Emerging : portage://dev-cpp/eigen-3.4.1-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-cpp/eigen-3.4.1-r1
             │           └─ file ─┤ 2.06 Mb  	 eigen-3.4.1.tar.bz2
             │                    │ 0.98 Kb  	 eigen-3.4.1_p1.patch
             │                    │ 1.03 Kb  	 eigen-3.4.1_p2.patch

 └─step  2─┤ update    portage://dev-cpp/eigen-3.4.1-r1 (replaces pkg://dev-cpp/eigen-3.4.0-r3)
             │           └─ conf ─┤ USE = "openmp (-blas) (-doc) (-lapack) (-metis) (-opengl) (-pastix) (-test) -adolc -boost -cholmod -cuda-clang% -debug
             │                    │          -fftw -klu -mathjax -pocketfft% -sparsehash -spqr -superlu -umfpack"
             │                    │ CPU_FLAGS_X86 = "avx avx2 avx512dq avx512f f16c fma3 popcnt sse* sse2* sse3* sse4_1 sse4_2* ssse3*"
             │                    │ LLVM_SLOT = "22%* -21%"
             │                    │ SLOT = "3/3.4"

 └─step  3─┤ run     portage://dev-cpp/eigen-3.4.1-r1

Total: 3 actions (1 download, 1 update, 1 run), grouped into 3 steps.
       2.06 Mb to be downloaded.