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FStarC.Util: make sure executable_name and exec_dir point to concrete… #3697

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Jan 24, 2025
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FStarC.Util: make sure executable_name and exec_dir point to concrete… #3697

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9 changes: 7 additions & 2 deletions src/ml/bare/FStarC_Util.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -937,8 +937,13 @@ let incr r = r := Z.(!r + one)
let decr r = r := Z.(!r - one)
let geq (i:int) (j:int) = i >= j

let exec_name = Sys.executable_name
let get_exec_dir () = Filename.dirname (Sys.executable_name)
(* Note: If F* is called invoked via a symlink, executable_name contains
the name of the unresolved link in macos (not so in Linux). Since
F* needs to find its library relative to the path of its installed
executable, we must resolve all links, so we use realpath. *)
let exec_name = Unix.realpath Sys.executable_name

let get_exec_dir () = Filename.dirname exec_name
let get_cmd_args () = Array.to_list Sys.argv
let expand_environment_variable x = try Some (Sys.getenv x) with Not_found -> None

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