1 files changed, 29 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/mtime/default.nix b/nixpkgs/pkgs/development/ocaml-modules/mtime/default.nix
new file mode 100644
index 000000000000..ff53efb9d9a4
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/mtime/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, lib, fetchurl, ocaml, findlib, ocamlbuild, topkg }:
+
+lib.throwIfNot (lib.versionAtLeast ocaml.version "4.08")
+  "mtime is not available for OCaml ${ocaml.version}"
+
+stdenv.mkDerivation rec {
+  pname = "ocaml${ocaml.version}-mtime";
+  version = "2.0.0";
+
+  src = fetchurl {
+    url = "https://erratique.ch/software/mtime/releases/mtime-${version}.tbz";
+    sha256 = "Pz2g6gBts0RlsDCE3npYqxWg8W9HgoxQC+U63fHgROs=";
+  };
+
+  nativeBuildInputs = [ ocaml findlib ocamlbuild topkg ];
+  buildInputs = [ topkg ];
+
+  strictDeps = true;
+
+  inherit (topkg) buildPhase installPhase;
+
+  meta = with lib; {
+    description = "Monotonic wall-clock time for OCaml";
+    homepage = "https://erratique.ch/software/mtime";
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.vbgl ];
+    license = licenses.bsd3;
+  };
+}