Meson

nixd/Controller: allow setting initial configuration via CLI #3138

Job	Run time
nix-build-develop-clang (none, release, true)	2m 54s
nix-build-develop-gcc (none, release, true)	3m 4s
nix-build-develop-clang (none, release, false)	2m 57s
nix-build-develop-gcc (none, release, false)	3m 4s
nix-build-develop-clang (none, debug, true)	2m 48s
nix-build-develop-gcc (none, debug, true)	2m 58s
nix-build-develop-clang (none, debug, false)	2m 47s
nix-build-develop-gcc (none, debug, false)	3m 2s
nix-build-develop-gcc (address, release, true)	4m 42s
nix-build-develop-gcc (address, release, false)	4m 48s
nix-build-develop-gcc (address, debug, true)	3m 54s
nix-build-develop-gcc (address, debug, false)	4m 2s
nix-build-develop-gcc (undefined, release, true)	4m 6s
nix-build-develop-gcc (undefined, release, false)	4m 7s
nix-build-develop-gcc (undefined, debug, true)	3m 27s
nix-build-develop-gcc (undefined, debug, false)	3m 20s
	56m 0s

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