1 files changed, 24 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/bitstring/ppx.nix b/nixpkgs/pkgs/development/ocaml-modules/bitstring/ppx.nix
new file mode 100644
index 000000000000..87370ef64b20
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/bitstring/ppx.nix
@@ -0,0 +1,24 @@
+{ lib, buildDunePackage, ocaml
+, bitstring, ppxlib
+, ounit
+}:
+
+if lib.versionOlder ppxlib.version "0.18.0"
+then throw "ppx_bitstring is not available with ppxlib-${ppxlib.version}"
+else
+
+buildDunePackage rec {
+  pname = "ppx_bitstring";
+  inherit (bitstring) version src;
+
+  duneVersion = "3";
+
+  buildInputs = [ bitstring ppxlib ];
+
+  doCheck = lib.versionAtLeast ocaml.version "4.08";
+  checkInputs = [ ounit ];
+
+  meta = bitstring.meta // {
+    description = "Bitstrings and bitstring matching for OCaml - PPX extension";
+  };
+}