Add 'libuv1'

Author: StuartWheater

.circleci/config.yml

@@ -22,7 +22,7 @@ jobs:
               sudo apt-get install -y r-base-core cmake
       - run:
           command: |
-              sudo apt-get install -y libxml2-dev
+              sudo apt-get install -y libxml2-dev libuv1-dev
       - run:
           command: |
               echo "options(Ncpus=4)" >> ~/.Rprofile