Add missing addons: line

2017-11-02 18:48:57 +02:00
parent 50e7b7686c
commit 15500ebba1
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,6 +31,7 @@ matrix:
    - os: linux
      compiler: clang++
      env: TOOLSET=clang CXXSTD=03,11,14,1z
+      addons:
        apt:
          packages:
            - libstdc++-4.9-dev