only set CXX for linux

prebuild · Jan 27, 2018 · 25353ce · 25353ce
1 parent f687798
commit 25353ce
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -7,10 +7,8 @@ addons:
       - g++-4.9
       - gcc-4.9
 
-env:
-  global:
-    - CXX: g++-4.9
-    - CC: gcc-4.9
+before_install:
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export CXX=g++-4.9; fi
 
 matrix:
   include: