Make sure CMake is still built by install script.

zbeekman · zbeekman · commit f4b32f9428cd · 2017-12-26T14:11:46.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -24,7 +24,7 @@ matrix:
     - os: osx
       env:
         - BUILD_TYPE="InstallScript"
-          OSX_PACKAGES="gcc@6 cmake"
+          OSX_PACKAGES="gcc@6"
           GCC=6
     - &ubuntu
       os: linux
