portage-ng --merge
>>> Emerging : portage://dev-cpp/opentelemetry-cpp-1.25.0:run?{[]}
These are the packages that would be merged, in order:
Calculating dependencies... done!
└─step 1─┤ useflag portage://dev-cpp/opentelemetry-cpp-1.25.0 (otlp)
└─step 2─┤ download portage://dev-cpp/abseil-cpp-20260107.1
│ └─ file ─┤ 3.82 Kb abseil-cpp-20260107.0-c++23.patch
│ │ 2.19 Mb abseil-cpp-20260107.1.tar.gz
│ download portage://dev-cpp/nlohmann_json-3.12.0-r1
│ └─ file ─┤ 9.23 Mb nlohmann_json-3.12.0.tar.gz
│ download portage://dev-cpp/opentelemetry-cpp-1.25.0
│ └─ file ─┤ 1.19 Mb opentelemetry-cpp-1.25.0.tar.gz
│ download portage://dev-libs/protobuf-34.2
│ └─ file ─┤ 6.71 Mb protobuf-34.2.tar.gz
└─step 3─┤ install portage://dev-cpp/abseil-cpp-20260107.1
│ └─ conf ─┤ USE = "-debug -test -test-helpers"
│ │ SLOT = "0/2601.1.0-cpp20"
│ install portage://dev-cpp/nlohmann_json-3.12.0-r1
│ └─ conf ─┤ USE = "-test"
└─step 4─┤ run portage://dev-cpp/abseil-cpp-20260107.1
│ run portage://dev-cpp/nlohmann_json-3.12.0-r1
└─step 5─┤ install portage://dev-libs/protobuf-34.2
│ └─ conf ─┤ USE = "zlib (libupb) libprotoc protobuf protoc -conformance -debug -emacs -examples -test"
│ │ SLOT = "0/34.2.0"
└─step 6─┤ run portage://dev-libs/protobuf-34.2
└─step 7─┤ install portage://dev-cpp/opentelemetry-cpp-1.25.0 (USE modified)
│ └─ conf ─┤ USE = "http* -elasticsearch -grpc otlp -prometheus -test"
│ │ SLOT = "0/1"
└─step 8─┤ run portage://dev-cpp/opentelemetry-cpp-1.25.0
Total: 13 actions (1 useflag, 4 downloads, 4 installs, 4 runs), grouped into 8 steps.
19.32 Mb to be downloaded.
>>> Assumptions taken during proving & planning:
USE flag change (1 package):
Add to /etc/portage/package.use:
dev-cpp/opentelemetry-cpp otlp