Build on Linux/macOS #415

Job	Run time
Build (clang-18/bmake on ubuntu-22.04)	23s
Build (gcc-14/bmake on macos-14)	15s
Build (clang-18/bsdmake on macos-15)	17s
Build (gcc-13/make on macos-13)	18s
Build (musl-gcc/bmake on ubuntu-22.04)	1m 7s
Build (gcc-14/make on ubuntu-24.04)	1m 10s
	3m 30s

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