>>> Emerging : portage://sci-astronomy/gnuastro-0.16-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-lang/cfortran-20210827-r1
             │           └─ file ─┤ 7.91 Kb  	 cfortran_20210827-1.debian.tar.xz
             │                    │ 92.28 Kb  	 cfortran_20210827.orig.tar.gz
             │ download  portage://dev-lang/python-3.15.0
             │           └─ file ─┤ 34.04 Mb  	 Python-3.15.0.tar.xz
             │                    │ 4.52 Kb  	 python-gentoo-patches-3.15.0.tar.xz
             │ download  portage://dev-libs/libgit2-1.9.7
             │           └─ file ─┤ 7.41 Mb  	 libgit2-1.9.7.tar.gz
             │ download  portage://net-libs/llhttp-9.4.3
             │           └─ file ─┤ 39.46 Kb  	 llhttp-release-v9.4.3.tar.gz
             │ download  portage://sci-astronomy/gnuastro-0.16-r1
             │           └─ file ─┤ 5.81 Mb  	 gnuastro-0.16.tar.gz
             │ download  portage://sci-astronomy/wcslib-8.3-r1
             │           └─ file ─┤ 3.09 Mb  	 wcslib-8.3.tar.bz2
             │ download  portage://sci-libs/cfitsio-4.7.0
             │           └─ file ─┤ 2.06 Mb  	 cfitsio-4.7.0.tar.gz
             │ download  portage://sci-libs/gsl-2.7.1-r3
             │           └─ file ─┤ 11.79 Kb  	 gsl-2.7-cblas.patch.bz2
             │                    │ 7.16 Mb  	 gsl-2.7.1.tar.gz

 └─step  2─┤ install   portage://net-libs/llhttp-9.4.3
             │           └─ conf ─┤ SLOT = "0/9.4"
             │ install   portage://sci-astronomy/wcslib-8.3-r1
             │           └─ conf ─┤ USE = "tools -doc -fits -fortran -pgplot -static-libs"
             │                    │ SLOT = "0/8"
             │ install   portage://sci-libs/gsl-2.7.1-r3
             │           └─ conf ─┤ USE = "deprecated -cblas-external -static-libs"
             │                    │ SLOT = "0/27"
             │ install   portage://virtual/fortran-0-r1
             │           └─ conf ─┤ USE = "openmp"
             │ install   portage://dev-lang/cfortran-20210827-r1
             │           └─ conf ─┤ USE = "-examples -test"
             │ install   portage://dev-lang/python-3.15.0
             │           └─ conf ─┤ USE = "gdbm* ncurses pgo* readline sqlite* ssl ensurepip (-jit) -bluetooth -build% -debug -examples -libedit
             │                    │          -tail-call-interp -test -tk -valgrind -verify-sig"
             │                    │ LLVM_SLOT = "21%*"
             │                    │ SLOT = "3.15"

 └─step  3─┤ run       portage://net-libs/llhttp-9.4.3
             │ run       portage://sci-astronomy/wcslib-8.3-r1
             │ run       portage://sci-libs/gsl-2.7.1-r3
             │ run       portage://virtual/fortran-0-r1

 └─step  4─┤ install   portage://dev-libs/libgit2-1.9.7
             │           └─ conf ─┤ USE = "ssh* -examples -gssapi -test -trace"
             │                    │ SLOT = "0/1.9"
             │ install   portage://sci-libs/cfitsio-4.7.0
             │           └─ conf ─┤ USE = "bzip2 -curl -test -tools"
             │                    │ SLOT = "0/10-r1"

 └─step  5─┤ run       portage://dev-libs/libgit2-1.9.7
             │ run       portage://sci-libs/cfitsio-4.7.0

 └─step  6─┤ install   portage://sci-astronomy/gnuastro-0.16-r1
             │           └─ conf ─┤ USE = "threads* -static-libs"
             │                    │ SLOT = "0/1"

 └─step  7─┤ run     portage://sci-astronomy/gnuastro-0.16-r1

Total: 24 actions (8 downloads, 9 installs, 7 runs), grouped into 7 steps.
       59.72 Mb to be downloaded.