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-rw-r--r--pkgs/development/ocaml-modules/ppx_cstubs/default.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/ppx_cstubs/default.nix b/pkgs/development/ocaml-modules/ppx_cstubs/default.nix
index 7cf1a0d869e34..189efc3a675dd 100644
--- a/pkgs/development/ocaml-modules/ppx_cstubs/default.nix
+++ b/pkgs/development/ocaml-modules/ppx_cstubs/default.nix
@@ -1,4 +1,5 @@
 { lib
+, ocaml
 , fetchFromGitHub
 , buildDunePackage
 , bigarray-compat
@@ -12,6 +13,9 @@
 , findlib
 }:
 
+lib.throwIf (lib.versionAtLeast ocaml.version "5.2")
+  "ppx_cstubs is not available for OCaml ${ocaml.version}"
+
 buildDunePackage rec {
   pname = "ppx_cstubs";
   version = "0.7.0";