Travis: Added xcode build for the OSX+Metal example. (#1044) [@petmac]
diff --git a/.travis.yml b/.travis.yml
index 5bea91c..672d132 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -29,3 +29,4 @@
   - make -C examples/example_glfw_opengl2
   - make -C examples/example_glfw_opengl3
   - make -C examples/example_sdl_opengl3
+  - if [ $TRAVIS_OS_NAME == osx ]; then xcodebuild -project examples/example_apple_metal/example_apple_metal.xcodeproj -target example_apple_metal_macos;