Meson

libnixt: add Serialize #1747

Job	Run time
nix-build-develop-clang (none, release, true)	2m 46s
nix-build-develop-gcc (none, release, true)	3m 4s
nix-build-develop-clang (none, release, false)	2m 50s
nix-build-develop-gcc (none, release, false)	3m 4s
nix-build-develop-clang (none, debug, true)	2m 33s
nix-build-develop-gcc (none, debug, true)	2m 57s
nix-build-develop-clang (none, debug, false)	2m 34s
nix-build-develop-gcc (none, debug, false)	2m 53s
nix-build-develop-gcc (undefined, release, true)	6m 26s
nix-build-develop-gcc (undefined, release, false)	6m 11s
nix-build-develop-gcc (undefined, debug, true)	3m 31s
nix-build-develop-gcc (undefined, debug, false)	3m 31s
	42m 20s

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