Merge master into staging-next

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

@@ -0,0 +1,25 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, ctypes }:
+
+buildDunePackage rec {
+  pname = "eigen";
+  version = "0.1.5";
+
+  src = fetchFromGitHub {
+    owner = "owlbarn";
+    repo   = pname;
+    rev    = version;
+    sha256 = "0pbqd87i9h7qpx84hr8k4iw0rhmjgma4s3wihxh992jjvsrgdyfi";
+  };
+
+  minimumOCamlVersion = "4.04";
+
+  propagatedBuildInputs = [ ctypes ];
+
+  meta = with stdenv.lib; {
+    inherit (src.meta) homepage;
+    description = "Minimal/incomplete Ocaml interface to Eigen3, mostly for Owl";
+    platforms = platforms.x86_64;
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.mit;
+  };
+}

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

@@ -0,0 +1,26 @@
+{ stdenv, fetchFromGitHub, buildDunePackage, base, cmdliner, ocaml_lwt,
+  rdkafka, zlib }:
+
+buildDunePackage rec {
+  pname = "kafka";
+  version = "0.4";
+
+  src = fetchFromGitHub {
+    owner = "didier-wenzek";
+    repo = "ocaml-kafka";
+    rev = version;
+    sha256 = "0lb8x0wh7sf8v9mjwhq32azjz54kw49fsjfb7m76z4nhxfkjw5hy";
+  };
+
+  buildInputs = [ base cmdliner ocaml_lwt zlib ];
+
+  propagatedBuildInputs = [ rdkafka zlib ];
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/didier-wenzek/ocaml-kafka;
+    description = "OCaml bindings for Kafka";
+    license     = licenses.mit;
+    maintainers = [ maintainers.rixed ];
+  };
+}
+

pkgs/development/ocaml-modules/owl-base/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, integers, stdlib-shims }:
+
+buildDunePackage rec {
+  pname = "owl-base";
+  version = "0.7.1";
+
+  src = fetchFromGitHub {
+    owner  = "owlbarn";
+    repo   = "owl";
+    rev    = version;
+    sha256 = "1v4jfn3w18zq188f9gskx9ffja3xx59j2mgrw6azp8lsbqixg5xk";
+  };
+
+  propagatedBuildInputs = [ stdlib-shims ];
+
+  minimumOCamlVersion = "4.06";
+
+  meta = with stdenv.lib; {
+    description = "Numerical computing library for Ocaml";
+    homepage = "https://ocaml.xyz";
+    platforms = platforms.x86_64;
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.mit;
+  };
+}

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

@@ -0,0 +1,15 @@
+{ stdenv, buildDunePackage, fetchFromGitHub, alcotest
+, eigen, stdio, stdlib-shims, openblasCompat, owl-base
+}:
+
+buildDunePackage rec {
+  pname = "owl";
+
+  inherit (owl-base) version src meta;
+
+  buildInputs = [ eigen ];
+  checkInputs = [ alcotest ];
+  propagatedBuildInputs = [ stdio stdlib-shims openblasCompat owl-base ];
+
+  # tests not enabled for now due to owlbarn/owl/issues/460
+}