Add 'nixpkgs/' from commit 'abf060725d7614bd3b9f96764262dfbc2f9c2199'

git-subtree-dir: nixpkgs
git-subtree-mainline: 4e31070265257dc67d120c27e0f75c2344fdfa9a
git-subtree-split: abf060725d7614bd3b9f96764262dfbc2f9c2199

1 files changed, 23 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix b/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix
new file mode 100644
index 000000000000..25a83fa79128
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/visitors/default.nix
@@ -0,0 +1,23 @@
+{ stdenv, fetchurl, ocaml, findlib, ocamlbuild, cppo, ppx_tools, ppx_deriving, result }:
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-visitors-20180513";
+
+  src = fetchurl {
+    url = http://gallium.inria.fr/~fpottier/visitors/visitors-20180513.tar.gz;
+    sha256 = "12j8n9fkl43sd0j78x2zqix8m1vinswl2jgwndd62vmx98f5rl1v";
+  };
+
+  buildInputs = [ ocaml findlib ocamlbuild cppo ];
+  propagatedBuildInputs = [ ppx_tools ppx_deriving result ];
+
+  createFindlibDestdir = true;
+
+  meta = with stdenv.lib; {
+    homepage = https://gitlab.inria.fr/fpottier/visitors;
+    license = licenses.lgpl21;
+    description = "An OCaml syntax extension (technically, a ppx_deriving plugin) which generates object-oriented visitors for traversing and transforming data structures";
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.marsam ];
+  };
+}