do not use which

Author: zapashcanon

packages/conf-rust-llvm/conf-rust-llvm.1/opam

@@ -5,10 +5,9 @@ homepage: "https://github.com/ocaml/opam-repository"
 bug-reports: "https://github.com/ocaml/opam-repository/issues"
 license: "MIT"
 build: [
-  ["which" "rust-lld"] { os-distribution != "homebrew" }
+  ["command" "-v" "rust-lld"] { os-distribution != "homebrew" }
 ]
 depends: [
-  "conf-which" {build}
   "conf-rust"
   "conf-llvm"
   "conf-lld"