BR zlib1g-dev

diff --git a/.travis.yml b/.travis.yml
index 53403eea14f0833f93fcce7bbe82f8a5105af8f6..4e0f176774397a1a9edc19ca225771038f8bfae5 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,5 @@ compiler:
  - clang
 before_install:
  - sudo apt-get update -qq
- - sudo apt-get install -qq automake make
+ - sudo apt-get install -qq automake make zlib1g-dev
 script: ./autogen.sh && ./configure && make -j4