From 0c1cbacdcc31133a9340b3989f74951e5c655ad7 Mon Sep 17 00:00:00 2001
From: Stefan Schlager <zarquon42@gmail.com>
Date: Wed, 20 Apr 2016 19:34:05 +0200
Subject: [PATCH] added export RGL_USE_NULL=TRUE in travis.yml

---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index 43bb73c..3de0718 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ before_install:
   - sudo add-apt-repository ppa:zarquon42/travis-trusty -y
   - sudo apt-get update -qq
   - curl -OL http://raw.github.com/craigcitro/r-travis/master/scripts/travis-tool.sh
+  - export RGL_USE_NULL=TRUE
   - chmod 755 ./travis-tool.sh
   - ./travis-tool.sh bootstrap
   - ./travis-tool.sh install_r_binary rgl Rcpp RcppEigen RcppArmadillo foreach doParallel yaImpute testthat car colorRamps shapes rvcg