>>> Emerging : portage://dev-debug/systemtap-5.3-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://dev-debug/systemtap-5.3-r1 (python_single_target_python3_13)

 └─step  2─┤ download  portage://app-alternatives/cpio-0
             │ download  portage://app-arch/cpio-2.15
             │           └─ file ─┤ 1.57 Mb  	 cpio-2.15.tar.bz2
             │ download  portage://dev-build/b2-5.5.3
             │           └─ file ─┤ 1.17 Mb  	 b2-5.5.3.tar.gz
             │ download  portage://dev-debug/systemtap-5.3-r1
             │           └─ file ─┤ 6.30 Mb  	 systemtap-5.3.tar.gz
             │ download  portage://dev-libs/boost-1.91.0-r2
             │           └─ file ─┤ 195.10 Mb  	 boost_1_91_0.tar.bz2
             │ download  portage://dev-libs/nspr-4.40
             │           └─ file ─┤ 985.34 Kb  	 nspr-4.40.tar.gz
             │ download  portage://dev-libs/nss-3.131
             │           └─ file ─┤ 83.98 Mb  	 nss-3.131.tar.gz

 └─step  3─┤ install   portage://dev-libs/nspr-4.40
             │           └─ conf ─┤ USE = "-debug"
             │ install   portage://acct-group/stapdev-0-r2
             │ install   portage://acct-group/stapsys-0-r2
             │ install   portage://acct-group/stapusr-0-r2
             │ install   portage://app-arch/cpio-2.15
             │           └─ conf ─┤ USE = "nls"

 └─step  4─┤ install   portage://app-alternatives/cpio-0
             │           └─ conf ─┤ USE = "gnu -libarchive"
             │ install   portage://dev-build/b2-5.5.3
             │           └─ conf ─┤ USE = "-examples"
             │ run       portage://dev-libs/nspr-4.40
             │ run       portage://acct-group/stapdev-0-r2
             │ run       portage://acct-group/stapsys-0-r2
             │ run       portage://acct-group/stapusr-0-r2
             │ run       portage://app-arch/cpio-2.15

 └─step  5─┤ run       portage://app-alternatives/cpio-0

 └─step  6─┤ install   portage://dev-libs/boost-1.91.0-r2
             │           └─ conf ─┤ USE = "bzip2 nls python* zlib context stacktrace -debug -doc -icu -lzma -mpi -numpy -test -test-full -tools -zstd"
             │                    │ PYTHON_TARGETS = "python3_14 -python3_12 -python3_13"
             │                    │ SLOT = "0/1.91.0"
             │ install   portage://dev-libs/nss-3.131
             │           └─ conf ─┤ USE = "utils -cacert -test -test-full"
             │                    │ CPU_FLAGS_X86 = "avx2 sse3*"

 └─step  7─┤ run       portage://dev-libs/boost-1.91.0-r2
             │ run       portage://dev-libs/nss-3.131

 └─step  8─┤ install   portage://dev-debug/systemtap-5.3-r1 (USE modified)
             │           └─ conf ─┤ USE = "sqlite* ssl zeroconf* -debuginfod -dtrace-symlink -libvirt -test"
             │                    │ PYTHON_SINGLE_TARGET = "-python3_12 python3_13"

 └─step  9─┤ run     portage://dev-debug/systemtap-5.3-r1

Total: 27 actions (1 useflag, 7 downloads, 10 installs, 9 runs), grouped into 9 steps.
       289.09 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    dev-debug/systemtap python_single_target_python3_13