Added script to build and install moose on OSX.

.travis.yml

@@ -27,7 +27,9 @@ env:
 
 before_script:
     - if [ "$TRAVIS_OS_NAME" == "linux" ]; then ./_travis/prepare_linux.sh ; fi
+    - if [ "$TRAVIS_OS_NAME" == "osx" ]; then ./_travis/prepare_osx.sh ; fi
 
 
 script:
-    - ./build_on_travis.sh
+    - if [ "$TRAVIS_OS_NAME" == "linux" ]; then ./_travis/build_on_linux.sh ; fi
+    - if [ "$TRAVIS_OS_NAME" == "osx" ]; then ./_travis/build_on_osx.sh ; fi

_travis/moose.rb

+class Moose < Formula
+  include Language::Python::Virtualenv
+
+  desc "Multiscale Object Oriented Simulation Environment"
+  homepage "http://moose.ncbs.res.in"
+  url "https://github.com/BhallaLab/moose-core/archive/3.1.2.tar.gz"
+  sha256 "a542983e4903b2b51c79f25f4acc372555cbe31bc0b9827302a6430fad466ef7"
+  head "https://github.com/BhallaLab/moose-core.git"
+
+  bottle do
+    cellar :any
+    sha256 "6077f886560480c956270f855cf9576a3e8261c5f2ea064117c3483f74a84462" => :sierra
+    sha256 "a637de34ce0b92f16afc120ecb2e0e4aff8f8a2e6a2ada5521ee01cf7ccdca9e" => :el_capitan
+    sha256 "1bb0712ef178577a3c44190be8f21f894cddc66ce03f742d768e44371425dce7" => :yosemite
+    sha256 "a62366e1e1de37c13dec6d2b7f91dc63f8b40ab460e35b31a4d94507a0df6219" => :x86_64_linux
+  end
+
+  depends_on "cmake" => :build
+  depends_on "gsl"
+  depends_on "hdf5"
+  depends_on :python if MacOS.version <= :snow_leopard
+  depends_on "numpy"
+
+  def install
+    (buildpath/"VERSION").write("#{version}\n")
+    # FindHDF5.cmake needs a little help
+    ENV.prepend "LDFLAGS", "-lhdf5 -lhdf5_hl"
+
+    args = std_cmake_args
+    args << "-DCMAKE_SKIP_RPATH=ON"
+    mkdir "_build" do
+      system "cmake", "..", "-DPYTHON_EXECUTABLE:FILEPATH=#{which("python")}", *args
+      system "make"
+      system "ctest", "--output-on-failure"
+    end
+
+    Dir.chdir("_build/python") do
+      system "python", *Language::Python.setup_install_args(prefix)
+    end
+  end
+
+  def caveats; <<-EOS.undent
+    You need to install `networkx` and `python-libsbml` using python-pip. Open terminal
+    and execute following command:
+      $ pip install python-libsbml networkx
+    EOS
+  end
+
+  test do
+    system "python", "-c", "import moose"
+  end
+end

_travis/prepare_osx.sh

+#!/bin/bash -
+#===============================================================================
+#
+#          FILE: prepare_osx.sh
+#
+#         USAGE: ./prepare_osx.sh
+#
+#   DESCRIPTION: 
+#
+#       OPTIONS: ---
+#  REQUIREMENTS: ---
+#          BUGS: ---
+#         NOTES: ---
+#        AUTHOR: Dilawar Singh (), dilawars@ncbs.res.in
+#  ORGANIZATION: NCBS Bangalore
+#       CREATED: Wednesday 28 June 2017 10:23:28  IST
+#      REVISION:  ---
+#===============================================================================
+
+set -o nounset                              # Treat unset variables as an error
+brew install gsl
+brew install cmake 
+brew install homebrew/science/hdf5
+brew install homebrew/science/matplotlib