ocamlPackages.{benchmark,obuild,ptmap,rope}: init at 1.4, 0.1.8, 2.0.1, 0.5

pkgs/development/ocaml-modules/ptmap/default.nix

@@ -0,0 +1,34 @@
+{ stdenv, fetchzip, ocaml, findlib, obuild }:
+
+let version = "2.0.1"; in
+
+stdenv.mkDerivation {
+  name = "ocaml${ocaml.version}-ptmap-${version}";
+
+  src = fetchzip {
+    url = "https://github.com/UnixJunkie/ptmap/archive/v${version}.tar.gz";
+    sha256 = "09ib4q5amkac2yy0hr7yn1n1j6y10v08chh82qc70wl7s473if15";
+  };
+
+  buildInputs = [ ocaml findlib obuild ];
+
+  createFindlibDestdir = true;
+
+  buildPhase = ''
+    substituteInPlace ptmap.obuild --replace 'build-deps: qcheck' ""
+    obuild configure
+    obuild build lib-ptmap
+  '';
+
+  installPhase = ''
+    obuild install --destdir $out/lib/ocaml/${ocaml.version}/site-lib
+  '';
+
+  meta = {
+    homepage = https://www.lri.fr/~filliatr/software.en.html;
+    platforms = ocaml.meta.platforms or [];
+    description = "Maps over integers implemented as Patricia trees";
+    license = stdenv.lib.licenses.lgpl21;
+    maintainers = with stdenv.lib.maintainers; [ volth ];
+  };
+}