``` (setq comp-async-env-modifier-form '((setenv "LIBRARY_PATH" (concat "/nix/store/wfvfxj1w9gj21nbai6rsyhwvkbqf59w0-libgccjit-9.3.0/lib/gcc/x86_64-unknown-linux-gnu/9.3.0:" "/nix/store/a6z7ighixg7gb6krf9k60ylgmahij63x-gcc-9.3.0-lib/lib:" "/nix/store/jx19wa4xlh9n4324xdl9rjnykd19mmq3-glibc-2.30/lib:" ) ))) ```