state that sudo is required for CI

This informs travis that the container-based build environment can not be used.
2024-09-15 15:13:22 +00:00 · 2016-02-05 14:33:56 +01:00 · 2016-02-05 14:33:56 +01:00 · 754be04f11
commit 754be04f11
parent 1adee75e1c
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -1,4 +1,5 @@
 language: cpp
+sudo: required # the doc target uses sudo to install dependencies

 os:
  - linux