diff --git a/.travis.yml b/.travis.yml
index cf84d92591..271b6069b5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,24 +1,16 @@
+os:
+  - linux
+  - osx
 dist: trusty
+osx_image: xcode8.3
 sudo: required
 language: cpp
 before_install:
-  - sudo sh -c 'echo "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-5.0 main" >> /etc/apt/sources.list'
-  - wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
-  - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
-  - sudo apt-get update -q
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ci/travis_linux_before_install; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then ci/travis_osx_before_install; fi
 install:
-  - sudo apt-get remove -y llvm-*
-  - sudo rm -rf /usr/local/*
-  - sudo apt-get install -y clang-5.0 libclang-5.0 libclang-5.0-dev llvm-5.0 llvm-5.0-dev liblld-5.0 liblld-5.0-dev cmake
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ci/travis_linux_install; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then ci/travis_osx_install; fi
 script:
-  - export CC=clang-5.0
-  - export CXX=clang++-5.0
-  - which $CC
-  - which $CXX
-  - echo $PATH
-  - mkdir build
-  - cd build
-  - cmake .. -DCMAKE_INSTALL_PREFIX=$(pwd) -DZIG_LIBC_LIB_DIR=$(dirname $($CC -print-file-name=crt1.o)) -DZIG_LIBC_INCLUDE_DIR=$(echo -n | $CC -E -x c - -v 2>&1 | grep -B1 "End of search list." | head -n1 | cut -c 2- | sed "s/ .*//") -DZIG_LIBC_STATIC_LIB_DIR=$(dirname $($CC -print-file-name=crtbegin.o))
-  - make VERBOSE=1
-  - make install
-  - ./zig build --build-file ../build.zig test
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ci/travis_linux_script; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then ci/travis_osx_script; fi
diff --git a/ci/travis_linux_before_install b/ci/travis_linux_before_install
new file mode 100755
index 0000000000..8c417ba6f2
--- /dev/null
+++ b/ci/travis_linux_before_install
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+sudo sh -c 'echo "deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-5.0 main" >> /etc/apt/sources.list'
+wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -
+sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+sudo apt-get update -q
diff --git a/ci/travis_linux_install b/ci/travis_linux_install
new file mode 100755
index 0000000000..74714a8148
--- /dev/null
+++ b/ci/travis_linux_install
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+sudo apt-get remove -y llvm-*
+sudo rm -rf /usr/local/*
+sudo apt-get install -y clang-5.0 libclang-5.0 libclang-5.0-dev llvm-5.0 llvm-5.0-dev liblld-5.0 liblld-5.0-dev cmake
diff --git a/ci/travis_linux_script b/ci/travis_linux_script
new file mode 100755
index 0000000000..dc72e0742a
--- /dev/null
+++ b/ci/travis_linux_script
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+export CC=clang-5.0
+export CXX=clang++-5.0
+which $CC
+which $CXX
+echo $PATH
+mkdir build
+cd build
+cmake .. -DCMAKE_INSTALL_PREFIX=$(pwd) -DZIG_LIBC_LIB_DIR=$(dirname $($CC -print-file-name=crt1.o)) -DZIG_LIBC_INCLUDE_DIR=$(echo -n | $CC -E -x c - -v 2>&1 | grep -B1 "End of search list." | head -n1 | cut -c 2- | sed "s/ .*//") -DZIG_LIBC_STATIC_LIB_DIR=$(dirname $($CC -print-file-name=crtbegin.o))
+make VERBOSE=1
+make install
+./zig build --build-file ../build.zig test
diff --git a/ci/travis_osx_before_install b/ci/travis_osx_before_install
new file mode 100755
index 0000000000..943babef1f
--- /dev/null
+++ b/ci/travis_osx_before_install
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+brew update
diff --git a/ci/travis_osx_install b/ci/travis_osx_install
new file mode 100755
index 0000000000..5311a9cc5c
--- /dev/null
+++ b/ci/travis_osx_install
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+brew install gcc@7
+brew outdated gcc@7 || brew upgrade gcc@7
+
+SRC_DIR=$(pwd)
+PREFIX_DIR=$SRC_DIR/local
+export CC=/usr/local/opt/gcc/bin/$(uname -m)-apple-darwin$(uname -r)-gcc-7
+export CXX=/usr/local/opt/gcc/bin/$(uname -m)-apple-darwin$(uname -r)-g++-7
+
+wget http://prereleases.llvm.org/5.0.0/rc2/llvm-5.0.0rc2.src.tar.xz 
+wget http://prereleases.llvm.org/5.0.0/rc2/cfe-5.0.0rc2.src.tar.xz
+wget http://prereleases.llvm.org/5.0.0/rc2/lld-5.0.0rc2.src.tar.xz
+
+cd $SRC_DIR
+tar xvf llvm-5.0.0rc2.src.tar.xz
+cd llvm-5.0.0rc2.src
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PREFIX_DIR -DCMAKE_PREFIX_PATH=$PREFIX_DIR
+make install
+
+cd $SRC_DIR
+tar xvf lld-5.0.0rc2.src.tar.xz
+cd lld-5.0.0rc2.src
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PREFIX_DIR -DCMAKE_PREFIX_PATH=$PREFIX_DIR
+make install
+
+cd $SRC_DIR
+tar xvf cfe-5.0.0rc2.src.tar.xz
+cd cfe-5.0.0rc2.src
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=$PREFIX_DIR -DCMAKE_PREFIX_PATH=$PREFIX_DIR
+make install
+
+cd $SRC_DIR
diff --git a/ci/travis_osx_script b/ci/travis_osx_script
new file mode 100755
index 0000000000..9120e0c766
--- /dev/null
+++ b/ci/travis_osx_script
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+PREFIX_DIR=$(pwd)/local
+export CC=/usr/local/opt/gcc/bin/$(uname -m)-apple-darwin$(uname -r)-gcc-7
+export CXX=/usr/local/opt/gcc/bin/$(uname -m)-apple-darwin$(uname -r)-g++-7
+
+echo $PATH
+mkdir build
+cd build
+cmake .. -DCMAKE_PREFIX_PATH=$PREFIX_DIR -DCMAKE_INSTALL_PREFIX=$(pwd) -DZIG_LIBC_LIB_DIR=$(dirname $($CC -print-file-name=crt1.o)) -DZIG_LIBC_INCLUDE_DIR=$(echo -n | $CC -E -x c - -v 2>&1 | grep -B1 "End of search list." | head -n1 | cut -c 2- | sed "s/ .*//") -DZIG_LIBC_STATIC_LIB_DIR=$(dirname $($CC -print-file-name=crtbegin.o))
+make VERBOSE=1
+make install
+# TODO get tests passing on macos
+# ./zig build --build-file ../build.zig test