missing mpfr library?

jonathan-taylor · jonathan-taylor · commit 73f5829aba52 · 2017-08-08T16:42:16.000-07:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,6 +5,9 @@ r:
   - oldrel
   - release
   - devel
+addons:
+   apt: 
+      packages: libmpfr-dev
 warnings_are_errors: true
 before_install:
   - tlmgr install index # for texlive and vignette?
