version 4.2

ac-guidoum · ac-guidoum · commit 416aa4819d7b · 2018-09-18T13:18:04.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,10 @@ cache: packages
 
 warnings_are_errors: true
 
+os:
+  - linux
+  - osx
+
 jobs:
   include:
   - r: oldrel
