perf: build external cmake deps in parallel #21
2026-06-01
perf: build external cmake deps in parallel
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cmake --build was invoked with no --parallel, so the default Unix Makefiles generator compiled external deps (DPP, msquic, glslang, …) one translation unit at a time, leaving all but one core idle. Pass an explicit --parallel N using hardware_concurrency() so dep builds use the available cores. An explicit count (not a bare --parallel) avoids an unbounded make -j fork bomb on the Makefiles generator. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>