Auto merge of #440 - redis:pr-438, r=badboy

Test on OSX

Thanks to @tnm & @xor-gate

.travis.yml

@@ -4,6 +4,13 @@ compiler:
   - gcc
   - clang
 
+os:
+  - linux
+  - osx
+
+before_script:
+    - if [ "$TRAVIS_OS_NAME" == "osx" ] ; then brew update; brew install redis; fi
+
 addons:
   apt:
     packages:
@@ -21,4 +28,12 @@ env:
     - TARGET="32bit" TARGET_VARS="32bit-vars" CFLAGS="-Werror"
     - TARGET="32bit" TARGET_VARS="32bit-vars" PRE="valgrind --track-origins=yes --leak-check=full"
 
+matrix:
+  exclude:
+    - os: osx
+      env: PRE="valgrind --track-origins=yes --leak-check=full"
+
+    - os: osx
+      env: TARGET="32bit" TARGET_VARS="32bit-vars" PRE="valgrind --track-origins=yes --leak-check=full"
+
 script: make $TARGET CFLAGS="$CFLAGS" && make check PRE="$PRE" && make $TARGET_VARS hiredis-example