Meson

nixd/Controller: support "goto definition" for select expressions #3068

Job	Run time
nix-build-develop-clang (none, release, true)	2m 55s
nix-build-develop-gcc (none, release, true)	3m 1s
nix-build-develop-clang (none, release, false)	2m 55s
nix-build-develop-gcc (none, release, false)	3m 7s
nix-build-develop-clang (none, debug, true)	2m 47s
nix-build-develop-gcc (none, debug, true)	3m 2s
nix-build-develop-clang (none, debug, false)	2m 46s
nix-build-develop-gcc (none, debug, false)	2m 57s
nix-build-develop-gcc (address, release, true)	4m 39s
nix-build-develop-gcc (address, release, false)	4m 39s
nix-build-develop-gcc (address, debug, true)	3m 47s
nix-build-develop-gcc (address, debug, false)	3m 52s
nix-build-develop-gcc (undefined, release, true)	4m 6s
nix-build-develop-gcc (undefined, release, false)	4m 10s
nix-build-develop-gcc (undefined, debug, true)	3m 21s
nix-build-develop-gcc (undefined, debug, false)	3m 19s
	55m 23s

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