Try a complex Travis CI matrix.

brixen · brixen · commit e2a9354fb37a · 2015-12-05T12:41:54.000-08:00
This passes 'travis lint' but I don't know what that actually means.
diff --git a/.travis.yml b/.travis.yml
@@ -36,10 +36,20 @@ notifications:
     on_success: change
     on_failure: always
     on_start: always
+matrix:
+  include:
+  - env: RVM=rbx-2
+    os: osx
+    compiler: gcc
+  - env: RVM=2.2.0
+    os: linux
+    compiler: clang
+  - env: RVM=rbx-2
+    os: linux
+    compiler: clang
 env:
-  matrix:
-  - RVM=2.2.0 LANG="en_US.UTF-8"
   global:
+  - LANG="en_US.UTF-8"
   - secure: olbok/GN6rOYvPnHBYWGz7giCoCdLFpT/7WSBHukYO3E0uNeqAUOOgW2BFOwCVWdSEJ/iTvJXZQ4qVZHX+6jRfvILZeGv+D2P93VdD8UFQRoTOfFC7esAo525s9fuKm9ehUGWZxlzGOBHHckky1jn6pEf8mlXAVM5e76dlH0fck=
   - secure: aqG9eB/PrzQ7XJQN6YX/00sNVvwSB77saxXQzguL2WFjAXB74h6168Hzq+awHtNX/vfOb6ta7fpWLHrA0D+gmZnvTR29VlP6nd0vs1tkdX1/jWbiBHjamRffp+NWVdKbJKYn5iLOGXcuUMOzY/opLKOdvxKZfkxGMxR2tTNLZUE=
 os:
