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-rw-r--r--pkgs/development/ocaml-modules/cstruct/sexp.nix8
1 files changed, 4 insertions, 4 deletions
diff --git a/pkgs/development/ocaml-modules/cstruct/sexp.nix b/pkgs/development/ocaml-modules/cstruct/sexp.nix
index 9a1ef0dd301..d0df442013f 100644
--- a/pkgs/development/ocaml-modules/cstruct/sexp.nix
+++ b/pkgs/development/ocaml-modules/cstruct/sexp.nix
@@ -1,15 +1,15 @@
-{ lib, buildDunePackage, alcotest, cstruct, sexplib }:
+{ lib, buildDunePackage, ocaml, alcotest, cstruct, sexplib }:
 
 if !lib.versionAtLeast (cstruct.version or "1") "3"
 then cstruct
 else
 
-buildDunePackage {
+buildDunePackage rec {
 	pname = "cstruct-sexp";
 	inherit (cstruct) version src meta;
 
-	doCheck = true;
-	buildInputs = [ alcotest ];
+	doCheck = lib.versionAtLeast ocaml.version "4.03";
+	checkInputs = lib.optional doCheck alcotest;
 
 	propagatedBuildInputs = [ cstruct sexplib ];
 }