opengl back in travis conf file

tpaviot · tpaviot · commit 593baff781ab · 2019-11-28T16:34:12.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,13 @@ language: cpp
 cache:
  apt: true
 
+addons:
+  apt:
+    packages:
+      - mesa-common-dev
+      - libgl1-mesa-dev
+      - libglu1-mesa-dev
+
 git:
   depth: false
 
