From 5f34248cedb13b8b5600b97217bf93e9f30b1fcd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Emilio=20Cobos=20=C3=81lvarez?= <emilio@crisal.io>
Date: Tue, 31 Jan 2017 23:45:48 +0100
Subject: [PATCH] Re-enable OSX builds on Travis CI

This reverts commit fc38f9b18a9dacc76b7e8a5c8633f0f02289daae.
---
 .travis.yml          |  1 +
 ci/before_install.sh | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index dd271f22e5..47af4eeb41 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ addons:
 
 os:
   - linux
+  - osx
 
 rust:
   - stable
diff --git a/ci/before_install.sh b/ci/before_install.sh
index 06c75218dc..ebe4f4fb94 100644
--- a/ci/before_install.sh
+++ b/ci/before_install.sh
@@ -1,6 +1,11 @@
 set -e
 pushd ~
 
+# Workaround for Travis CI macOS bug (https://github.com/travis-ci/travis-ci/issues/6307)
+if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
+    rvm get head || true
+fi
+
 function llvm_version_triple() {
     if [ "$1" == "3.8" ]; then
         echo "3.8.0"
@@ -18,9 +23,17 @@ function llvm_download() {
     tar -xf ${LLVM}.tar.xz -C llvm --strip-components=1
 
     export LLVM_CONFIG_PATH=`pwd`/llvm/bin/llvm-config
+    if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
+        cp llvm/lib/libclang.dylib /usr/local/lib/libclang.dylib
+    fi
 }
 
-llvm_download linux-gnu-ubuntu-14.04
+
+if [ "${TRAVIS_OS_NAME}" == "linux" ]; then
+    llvm_download linux-gnu-ubuntu-14.04
+else
+    llvm_download apple-darwin
+fi
 
 popd
 set +e