1 files changed, 5 insertions, 3 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/uchar/default.nix b/nixpkgs/pkgs/development/ocaml-modules/uchar/default.nix
index c943d3ce35a8..2140871021da 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/uchar/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/uchar/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opaline }:
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, opaline, withShared ? true }:
 
 stdenv.mkDerivation {
   name = "ocaml${ocaml.version}-uchar-0.0.2";
@@ -8,9 +8,11 @@ stdenv.mkDerivation {
     sha256 = "1w2saw7zanf9m9ffvz2lvcxvlm118pws2x1wym526xmydhqpyfa7";
   };
 
-  buildInputs = [ ocaml ocamlbuild findlib opaline ];
-  buildPhase = "ocaml pkg/build.ml native=true native-dynlink=true";
+  nativeBuildInputs = [ ocaml ocamlbuild findlib opaline ];
+  buildInputs = [ findlib ocaml ocamlbuild opaline ];
+  buildPhase = "ocaml pkg/build.ml native=true native-dynlink=${if withShared then "true" else "false"}";
   installPhase = "opaline -libdir $OCAMLFIND_DESTDIR";
+  configurePlatforms = [];
 
   meta = {
     description = "Compatibility library for OCaml’s Uchar module";