1 files changed, 46 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/misc/megam/default.nix b/nixpkgs/pkgs/applications/science/misc/megam/default.nix
new file mode 100644
index 000000000000..8cd119c7b7b0
--- /dev/null
+++ b/nixpkgs/pkgs/applications/science/misc/megam/default.nix
@@ -0,0 +1,46 @@
+{ fetchurl, stdenv, ocaml, makeWrapper, ncurses }:
+
+let version = "0.92"; in
+stdenv.mkDerivation rec {
+  name = "megam-${version}";
+
+  src = fetchurl {
+    url = "http://hal3.name/megam/megam_src.tgz";
+    sha256 = "dc0e9f59ff8513449fe3bd40b260141f89c88a4edf6ddc8b8a394c758e49724e";
+  };
+
+  patches = [ ./ocaml-includes.patch ./ocaml-3.12.patch ];
+  
+  buildInputs = [ ocaml ncurses ];
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  makeFlags = "CAML_INCLUDES=${ocaml}/lib/ocaml/caml";
+
+  # see https://bugzilla.redhat.com/show_bug.cgi?id=435559
+  dontStrip = true;
+
+  installPhase = ''
+    mkdir -pv $out/bin
+    cp -Rv megam $out/bin
+  '';
+
+
+  meta = {
+    description = "MEGA Model Optimization Package";
+
+    longDescription =
+      ''  The software here is an implementation of maximum likelihood
+          and maximum a posterior optimization of the parameters of
+          these models.  The algorithms used are much more efficient
+          than the iterative scaling techniques used in almost every
+          other maxent package out there.  '';
+
+    homepage = http://www.umiacs.umd.edu/~hal/megam;
+
+    license = "non-commercial";
+
+    maintainers = [ ];
+    platforms = stdenv.lib.platforms.gnu ++ stdenv.lib.platforms.linux;  # arbitrary choice
+  };
+}