>>> 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

Total: 8 actions (1 useflag, 7 downloads), grouped into 2 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