1 files changed, 6 insertions, 2 deletions
diff --git a/pkgs/development/ocaml-modules/ppx_deriving_protobuf/default.nix b/pkgs/development/ocaml-modules/ppx_deriving_protobuf/default.nix
index 4af711ce395..f85e32d72c7 100644
--- a/pkgs/development/ocaml-modules/ppx_deriving_protobuf/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_deriving_protobuf/default.nix
@@ -1,6 +1,10 @@
-{ stdenv, fetchFromGitHub, buildDunePackage, cppo, ppx_tools, ppx_deriving
+{ lib, fetchFromGitHub, buildDunePackage, ocaml, cppo, ppx_tools, ppx_deriving
 , ppxfind }:
 
+if lib.versionAtLeast ocaml.version "4.11"
+then throw "ppx_deriving_protobuf is not available for OCaml ${ocaml.version}"
+else
+
 buildDunePackage rec {
   pname = "ppx_deriving_protobuf";
   version = "2.7";
@@ -14,7 +18,7 @@ buildDunePackage rec {
 
   buildInputs = [ cppo ppx_tools ppxfind ppx_deriving ];
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     homepage = "https://github.com/ocaml-ppx/ppx_deriving_protobuf";
     description = "A Protocol Buffers codec generator for OCaml";
     license = licenses.mit;