>>> Emerging : portage://dev-ada/libgpr-25.0.0-r3:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ useflag portage://sys-devel/gcc-15.3.1_p20261009 (ada)

 └─step  2─┤ download  portage://dev-ada/gprbuild-26.0.0
             │           └─ file ─┤ 900.66 Kb  	 gprbuild-26.0.0.tar.gz
             │                    │ 1.03 Mb  	 xmlada-26.0.0.tar.gz
             │ download  portage://dev-ada/gprconfig_kb-26.0.0
             │           └─ file ─┤ 48.52 Kb  	 gprconfig_kb-26.0.0.tar.gz
             │ download  portage://dev-ada/libgpr-25.0.0-r3
             │           └─ file ─┤ 918.72 Kb  	 gprbuild-25.0.0.tar.gz
             │ download  portage://dev-ada/xmlada-26.0.0
             │           └─ file ─┤ 1.03 Mb  	 xmlada-26.0.0.tar.gz
             │ download  portage://dev-lang/ada-bootstrap-14
             │           └─ file ─┤ 44.48 Mb  	 ada-bootstrap-14-x86_64-pc-linux-gnu.gpkg.tar
             │ download  portage://sys-devel/gcc-15.3.1_p20261009
             │           └─ file ─┤ 88.24 Mb  	 gcc-15-20261009.tar.xz
             │                    │ 7.00 Kb  	 gcc-15.2.0-musl-patches-1.tar.xz
             │                    │ 17.17 Kb  	 gcc-15.2.0-patches-8.tar.xz

 └─step  3─┤ install   portage://dev-ada/gprconfig_kb-26.0.0
             │           └─ conf ─┤ USE = ""
             │                    │ ADA_TARGET = "gcc_15 -gcc_12 -gcc_13 -gcc_14"
             │ install   portage://dev-lang/ada-bootstrap-14
             │           └─ conf ─┤ USE = ""

 └─step  4─┤ run       portage://dev-ada/gprconfig_kb-26.0.0

 └─step  5─┤ update    portage://sys-devel/gcc-15.3.1_p20261009 (USE modified)
             │           └─ conf ─┤ USE = "cet graphite* lto* nls openmp pgo* zstd (cxx) (default-stack-clash-protection) (default-znow) (pie) fortran
             │                    │          sanitize ssp (-custom-cflags) (-fixed-point) (-ieee-long-double) (-libssp) ada -cobol -d -debug -doc -go -hardened
             │                    │          -jit -libgdiagnostics -modula2 -objc -objc++ -objc-gc -rust -systemtap -test -valgrind -vanilla -vtv"
             │                    │ SLOT = "15"

 └─step  6─┤ install   portage://dev-ada/gprbuild-26.0.0
             │           └─ conf ─┤ USE = "-doc"
             │                    │ ADA_TARGET = "gcc_15 -gcc_12 -gcc_13 -gcc_14"

 └─step  7─┤ install   portage://dev-ada/xmlada-26.0.0
             │           └─ conf ─┤ USE = "shared -doc -static-libs -static-pic"
             │                    │ ADA_TARGET = "gcc_15 -gcc_12 -gcc_13 -gcc_14"
             │                    │ SLOT = "0/26.0.0"

 └─step  8─┤ run       portage://dev-ada/xmlada-26.0.0

 └─step  9─┤ install   portage://dev-ada/libgpr-25.0.0-r3
             │           └─ conf ─┤ USE = "-static-libs -static-pic"
             │                    │ ADA_TARGET = "gcc_15 -gcc_12 -gcc_13 -gcc_14"
             │                    │ SLOT = "0/25.0.0"

 └─step 10─┤ run     portage://dev-ada/libgpr-25.0.0-r3

Total: 16 actions (1 useflag, 6 downloads, 5 installs, 1 update, 3 runs), grouped into 10 steps.
       136.63 Mb to be downloaded.


>>> Assumptions taken during proving & planning:

  USE flag change (1 package):
  Add to /etc/portage/package.use:
    sys-devel/gcc ada