kc3-lang/libffi

diff --git a/.travis.yml b/.travis.yml
index fc7f5bc..ffc43a5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,6 @@ compiler:
   - gcc
   - clang
 
+before_script: apt-get install dejagnu
+
 script: ./configure && make && make check