Enable OSX build

.travis.yml

@@ -10,19 +10,16 @@ matrix:
   include:
     - os: linux
       rust: stable
-#    - os: osx
-#      rust: stable
+    - os: osx
+      osx_image: xcode8
+      rust: stable
 
 install:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ./build_linux.sh; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
-        brew config;
-        brew update;
-        brew install -v https://raw.githubusercontent.com/Homebrew/homebrew-versions/master/llvm38.rb; fi
-
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then ./build_osx.sh; fi
 script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export LIBCLANG_STATIC_PATH=~/clang/lib; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export LLVM_CONFIG_PATH=/usr/local/bin/llvm-config-3.8; export LIBCLANG_STATIC_PATH=`/usr/local/bin/llvm-config-3.8 --libdir`; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export LLVM_CONFIG_PATH=/clang/bin/llvm-config; fi
   - cargo build --verbose --features "clang_3_8 static"
   - RUST_TEST_THREADS=1 cargo test --verbose --features "clang_3_8 static"
 

build_osx.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -x
+set -o errexit
+brew config;
+brew update;
+brew install --force curl ninja
+pushd $HOME
+if [ ! -d "llvm/tools" ]; then rm -rf llvm; git clone -b release_38 --depth=1 https://github.com/llvm-mirror/llvm.git; fi
+pushd llvm
+pushd tools
+if [ ! -d "clang" ]; then git clone -b release_38 --depth=1 https://github.com/llvm-mirror/clang.git; fi
+popd
+mkdir -p _build
+pushd _build
+cmake .. -DLIBCLANG_BUILD_STATIC=On -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/clang -DLLVM_TARGETS_TO_BUILD=X86 -GNinja
+ninja
+sudo mkdir -p /clang
+sudo ninja install
+sudo cp lib/libclang.a /clang/lib
+popd
+popd
+popd