[3.6] Install dependencies in Travis OSX build (GH-1952)

zware · web-flow · commit 01ea561f29ae · 2017-06-05T22:41:17.000-05:00
(cherry picked from commit 167e0fc)
diff --git a/.travis.yml b/.travis.yml
@@ -28,6 +28,10 @@ matrix:
       compiler: clang
       # Testing under macOS is optional until testing stability has been demonstrated.
       env: OPTIONAL=true
+      before_install:
+        - brew install openssl xz
+        - export CPPFLAGS="-I$(brew --prefix openssl)/include"
+        - export LDFLAGS="-L$(brew --prefix openssl)/lib"
     - os: linux
       language: python
       python: 3.6
