Update travis.yml for magick

willgearty · Oct 29, 2019 · 20db5fc · 20db5fc
1 parent 6ac027b
commit 20db5fc
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/.travis.yml b/.travis.yml
@@ -3,4 +3,12 @@
 language: R
 warnings_are_errors: false
 sudo: false
-cache: packages
+cache: packages
+
+addons:
+  apt:
+    update: true
+    sources:
+      - sourceline: 'ppa:cran/imagemagick'
+    packages:
+      - libmagick++-dev