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

Calculating dependencies ... done!
Dependency resolution took 1.30 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/uthash-2.4.0::gentoo  USE="-test" 192 KiB
[ebuild  N     ] dev-lang/luajit-2.1.1787165859:2/2.1.1787165859::gentoo  USE="-lua52compat -static-libs" 1078 KiB
[ebuild  N     ] dev-cpp/abseil-cpp-20260107.1:0/2601.1.0-cpp20::gentoo  USE="-debug -test -test-helpers" 2251 KiB
[ebuild  N     ] dev-cpp/yaml-cpp-0.9.0-r1:0/0.9::gentoo  USE="-test" 1032 KiB
[ebuild  N     ] dev-libs/libb64-2.0.0.1-r1:0/2.0.0.1-r1::gentoo  16 KiB
[ebuild  N     ] dev-cpp/nlohmann_json-3.12.0-r1::gentoo  USE="-test" 9452 KiB
[ebuild  N     ] dev-cpp/valijson-1.1.3::gentoo  745 KiB
[ebuild  N     ] virtual/linux-sources-3-r9::gentoo  USE="-firmware" 0 KiB
[ebuild  N     ] dev-libs/protobuf-34.2:0/34.2.0::gentoo  USE="libprotoc (libupb) protobuf protoc zlib -conformance -debug -emacs -examples -test" 6872 KiB
[ebuild  N     ] dev-libs/re2-2025.08.12:0/11::gentoo  USE="-icu -test" 389 KiB
[ebuild  N     ] dev-util/pahole-1.32::gentoo  USE="-debug -verify-sig" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13 (-python3_15)" 2427 KiB
[ebuild  N     ] x11-libs/libpciaccess-0.19::gentoo  USE="zlib -static-libs" 64 KiB
[ebuild  N     ] net-libs/grpc-1.80.0:0/53.180::gentoo  USE="-doc -examples (-systemd) -test" 15403 KiB
[ebuild  N     ] dev-debug/scap-driver-0.20.0::gentoo  USE="strip -dist-kernel -modules-compress -modules-sign" 4439 KiB
[ebuild  N     ] sys-apps/hwloc-2.12.2:0/15::gentoo  USE="X cairo cpuid pci -cuda -debug -doc -l0 -nvml -rocm (-selinux) -static-libs -svg -udev -valgrind -xml" VIDEO_CARDS="-nvidia" 5504 KiB
[ebuild  N     ] dev-cpp/tbb-2023.1.0:0/12.2.3::gentoo  USE="-test" 7542 KiB
[ebuild  N     ] dev-debug/sysdig-0.40.1-r1::gentoo  USE="modules -bpf" LUA_SINGLE_TARGET="luajit" 66696 KiB

Total: 17 packages (17 new), Size of downloads: 124096 KiB