travis: Disable macOS build

The build often hits the 50m time limit or fails with spurious errors.
It can be re-enabled when/if we figure out how to solve this.

diff --git a/.travis.yml b/.travis.yml
index 2eb14a96f51d09992d0afc8167e8cfdce86a535e..bdf3e8d42df9ea4b5378df6c94e2cc1394b89d2b 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,10 +39,10 @@ matrix:
       compiler: gcc
       os: linux
 
-    - env: PLATFORM=Unix
-      compiler: clang
-      os: osx
-      osx_image: xcode8
+#    - env: PLATFORM=Unix
+#      compiler: clang
+#      os: osx
+#      osx_image: xcode8
 
     - env: PLATFORM=Unix COMPILER=gcc-6
       compiler: gcc