Use updated cmake to support ninja-build

deanberris · deanberris · commit 99f6168a8443 · 2015-11-13T00:09:46.000+11:00
diff --git a/.travis.yml b/.travis.yml
@@ -36,6 +36,7 @@ addons:
     sources:
     - ubuntu-toolchain-r-test
     - llvm-toolchain-precise-3.6
+    - kalakris-cmake
     packages:
     - gcc-4.8
     - g++-4.8
