1 files changed, 29 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/type_conv/108.08.00.nix b/pkgs/development/ocaml-modules/type_conv/108.08.00.nix
new file mode 100644
index 000000000000..d3e32105f7df
--- /dev/null
+++ b/pkgs/development/ocaml-modules/type_conv/108.08.00.nix
@@ -0,0 +1,29 @@
+{stdenv, fetchurl, ocaml, findlib, camlp4}:
+
+let
+  ocaml_version = (builtins.parseDrvName ocaml.name).version;
+in
+
+assert stdenv.lib.versionOlder "3.12" ocaml_version;
+
+stdenv.mkDerivation {
+  name = "ocaml-type_conv-108.08.00";
+
+  src = fetchurl {
+    url = https://ocaml.janestreet.com/ocaml-core/108.08.00/individual/type_conv-108.08.00.tar.gz;
+    sha256 = "08ysikwwp69zvc147lzzg79nwlrzrk738rj0ggcfadi8h5il42sl";
+  };
+
+  buildInputs = [ocaml findlib camlp4];
+
+  createFindlibDestdir = true;
+
+  meta = with stdenv.lib; {
+    homepage = https://ocaml.janestreet.com/;
+    description = "Support library for OCaml preprocessor type conversions";
+    license = licenses.asl20;
+    branch = "108";
+    platforms = ocaml.meta.platforms;
+    maintainers = with maintainers; [ z77z ];
+  };
+}