[3.20] backport #12133 (#12136)

Signed-off-by: Ali Caglayan <alizter@gmail.com>
Co-authored-by: Ali Caglayan <alizter@gmail.com>

Author: maiste

dune-project

@@ -149,7 +149,7 @@ understood by dune language."))
 (package
  (name dune-rpc)
  (synopsis "Communicate with dune using rpc")
- (depends csexp ordering dyn xdg (stdune (= :version)) (pp (>= 1.1.0)))
+ (depends ocamlc-loc csexp ordering dyn xdg (stdune (= :version)) (pp (>= 1.1.0)))
  (description "Library to connect and control a running dune instance"))
 
 (package

dune-rpc.opam

@@ -10,6 +10,7 @@ doc: "https://dune.readthedocs.io/"
 bug-reports: "https://github.com/ocaml/dune/issues"
 depends: [
   "dune" {>= "3.20"}
+  "ocamlc-loc"
   "csexp"
   "ordering"
   "dyn"