Enable OSX Builds in travis

Still not building correctly though

.travis.yml

@@ -5,29 +5,41 @@ addons:
     sources:
     - george-edison55-precise-backports
     packages:
-    - libopenal-dev
+    - cmake
+    - cmake-data
+    - freeglut3-dev
+    - freetype
     - libdevil-dev
-    - libglew-dev
     - libgles2-mesa-dev
-    - freeglut3-dev
+    - libglew-dev
+    - libglu1-mesa-dev
+    - libopenal-dev
     - libx11-dev
-    - libxmu-dev
     - libxi-dev
+    - libxmu-dev
     - libyaml-dev
     - xorg-dev
-    - libglu1-mesa-dev
-    - cmake
-    - cmake-data
 matrix:
   include:
-    - compiler: gcc
+    - os: linux
+      compiler: gcc
       env: MOON_MRUBY_TOOLCHAIN=gcc
 
-    - compiler: clang
+    - os: linux
+      compiler: clang
       env:
       - MOON_MRUBY_TOOLCHAIN=clang
       - LD_LIBRARY_PATH: "${TRAVIS_BUILD_DIR}/build/vendor/glfw/src"
 
+    - os: osx
+      compiler: clang
+      env:
+      - MOON_MRUBY_TOOLCHAIN=clang
+      - LD_LIBRARY_PATH: "${TRAVIS_BUILD_DIR}/build/vendor/glfw/src"
+
+  allow_failures:
+    - os: osx
+
 branches:
   only:
   - master
@@ -37,8 +49,7 @@ before_install:
   - git submodule update --init --recursive --depth=1
 
 install:
-  - gem install bundler
-  - bundle install --without development --deployment  --jobs=3 --retry=3
+  - ./.travis/install.sh
 
 before_script:
   - ruby --version

.travis/install.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+if [[ $TRAVIS_OS_NAME == 'osx' ]]; then
+  brew update || exit
+  for package in libyaml freetype glfw3 cmake ; do
+    brew outdated "${package}" || brew upgrade "${package}" || exit
+  done
+
+  whereis libfreetype
+fi
+
+gem update --system
+gem install bundler
+bundle install

lib/platform.rb

@@ -1,29 +1,37 @@
-module Platform
-  def self.cygwin?
-    RUBY_PLATFORM.include?('cygwin')
+class Platform
+  def initialize(platform = RUBY_PLATFORM)
+    @platform_name = platform
   end
 
-  def self.mingw?
-    RUBY_PLATFORM.include?('mingw')
+  def include?(str)
+    @platform_name.include?(str)
   end
 
-  def self.msvcr?
-    RUBY_PLATFORM.include?('msvcr')
+  def cygwin?
+    include?('cygwin')
   end
 
-  def self.windows?
+  def mingw?
+    include?('mingw')
+  end
+
+  def msvcr?
+    include?('msvcr')
+  end
+
+  def windows?
     cygwin? || mingw? || msvcr?
   end
 
-  def self.linux?
-    RUBY_PLATFORM.include?('linux')
+  def linux?
+    include?('linux')
   end
 
-  def self.darwin?
-    RUBY_PLATFORM.include?('darwin')
+  def darwin?
+    include?('darwin')
   end
 
-  def self.unix?
+  def unix?
     linux? || darwin?
   end
 end

mrb_config.rb

@@ -2,6 +2,7 @@
 require_relative 'lib/platform'
 
 toolchain_name = (ENV['MOON_MRUBY_TOOLCHAIN'] || :gcc).to_sym
+platform = Platform.new
 
 rootdir = File.dirname(__FILE__)
 MRuby::Build.new 'host', File.expand_path("build", rootdir) do |conf|
@@ -71,7 +72,7 @@
 
     c.defines << 'ENABLE_DEBUG'
 
-    if Platform.darwin?
+    if platform.darwin?
       # GLFW
       c.defines << 'MOON_GL_GLFW'
     else
@@ -120,23 +121,22 @@
     l.libraries << 'SOIL'
     l.libraries << 'SIL'
 
-
-    if Platform.linux?
+    if platform.linux?
       l.libraries << 'GLEW'
       l.libraries << 'GL'
       l.libraries << 'openal'
-    elsif Platform.windows?
+    elsif platform.windows?
       l.libraries << 'glew32'
       l.libraries << 'opengl32'
       l.libraries << 'OpenAL32'
-    elsif Platform.darwin?
+    elsif platform.darwin?
       l.libraries << 'GLEW'
       l.flags_after_libraries << '-framework OpenGL'
       l.flags_after_libraries << '-framework OpenAL'
       l.flags_after_libraries << '-framework CoreFoundation'
     end
 
-    if Platform.unix?
+    if platform.unix?
       l.libraries << 'pthread'
     end