1 files changed, 50 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/ppx_tools/default.nix b/nixpkgs/pkgs/development/ocaml-modules/ppx_tools/default.nix
new file mode 100644
index 000000000000..60b730e06403
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/ppx_tools/default.nix
@@ -0,0 +1,50 @@
+{ stdenv, fetchFromGitHub, ocaml, findlib }:
+
+let param = {
+  "4.02" = {
+    version = "5.0+4.02.0";
+    sha256 = "16drjk0qafjls8blng69qiv35a84wlafpk16grrg2i3x19p8dlj8"; };
+  "4.03" = {
+    version = "5.0+4.03.0";
+    sha256 = "061v1fl5z7z3ywi4ppryrlcywnvnqbsw83ppq72qmkc7ma4603jg"; };
+  "4.04" = {
+    version = "unstable-20161114";
+    rev = "49c08e2e4ea8fef88692cd1dcc1b38a9133f17ac";
+    sha256 = "0ywzfkf5brj33nwh49k9if8x8v433ral25f3nbklfc9vqr06zrfl"; };
+  "4.05" = {
+    version = "5.0+4.05.0";
+    sha256 = "1jvvhk6wnkvm7b9zph309ihsc0hyxfpahmxxrq19vx8c674jsdm4"; };
+  "4.06" = {
+    version = "5.1+4.06.0";
+    sha256 = "1ww4cspdpgjjsgiv71s0im5yjkr3544x96wsq1vpdacq7dr7zwiw"; };
+  "4.07" = {
+    version = "5.1+4.06.0";
+    sha256 = "1ww4cspdpgjjsgiv71s0im5yjkr3544x96wsq1vpdacq7dr7zwiw"; };
+  "4.08" = {
+    version = "5.3+4.08.0";
+    sha256 = "0vdmhs3hpmh5iclx4lzgdpf362m4l35zprxs73r84z1yhr4jcr4m"; };
+}.${ocaml.meta.branch};
+in
+  stdenv.mkDerivation {
+    name = "ocaml${ocaml.version}-ppx_tools-${param.version}";
+    src = fetchFromGitHub {
+      owner = "alainfrisch";
+      repo = "ppx_tools";
+      rev = if param ? rev then param.rev else param.version;
+      inherit (param) sha256;
+    };
+
+    buildInputs = [ ocaml findlib ];
+
+    createFindlibDestdir = true;
+
+    dontStrip = true;
+
+    meta = with stdenv.lib; {
+      description = "Tools for authors of ppx rewriters";
+      homepage = http://www.lexifi.com/ppx_tools;
+      license = licenses.mit;
+      platforms = ocaml.meta.platforms or [];
+      maintainers = with maintainers; [ vbgl ];
+    };
+  }