Added dependencies to .travis.yml

Various optional libraries where not present, resulting in multiple warnings. To mitigate this, the libraries where added to the .travis.yml file.

diff --git a/.travis.yml b/.travis.yml
index dfe188a65b4184ff5bab2e8e6f7b0de029f31649..57ff7e76f17c972a969803375540dc5fe2d8bb1d 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,13 @@ sudo: false
 addons:
   apt:
     packages:
-      - libgd2-xpm-dev
       - ksh
+      - libgd2-xpm-dev
+      - tcl-dev
+      - libdevil-dev
+      - libxaw7-dev
+      - freeglut3-dev
+
 script:
   - ./autogen.sh
   - ./configure