ghmm: Initial packaging including split off python2 interface

pkgs/ghmm/default.nix

@@ -0,0 +1,56 @@
+{ stdenv, fetchsvn, autoreconfHook, pkgconfig
+, libxml2, python2Packages, swig }:
+
+stdenv.mkDerivation rec {
+  name = "ghmm-svn${version}";
+  version = "2341";
+
+  src = fetchsvn {
+    url = "https://svn.code.sf.net/p/ghmm/code/trunk/ghmm";
+    rev = "${version}";
+    sha256 = "067anx9mhs0f4f38q4wj2fds1pkp0jcy10i0fhggvrcp31gy0329";
+  };
+
+  #patches = [ ./static-lib-for-tools.patch ];
+  postPatch = ''
+    sed -i -e 's,\(LDADD = .*/ghmm/\.libs/libghmm\)\.a,\1.la,' */Makefile.am
+  '';
+
+  # The python wrapper needs to be built here for dependencies
+  outputs = [ "out" "py" ];
+
+  configureFlags = [
+    "--without-python"
+  ];
+
+  postBuild = ''
+    cd ghmmwrapper
+    python setup.py build
+    cd ..
+  '';
+
+  postInstall = ''
+    cd ghmmwrapper
+    python setup.py install --prefix="$py"
+    cd ..
+  '';
+
+  buildInputs = [
+    autoreconfHook
+    pkgconfig
+    libxml2
+    python2Packages.python
+    swig
+  ];
+
+  hardeningDisable = [ "format" ];
+
+  meta = with stdenv.lib; {
+    description = "The General Hidden Markov Model library (GHMM) is a freely available C library implementing efficient data structures and algorithms for basic and extended HMMs with discrete and continous emissions.";
+    homepage = http://ghmm.sourceforge.net;
+    platforms = platforms.all;
+    license = licenses.lgpl2Plus;
+  };
+
+  enableParallelBuilding = true;
+}