diff --git a/.travis.yml b/.travis.yml
index 7df184f..5ffa2d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,31 +3,60 @@ language: python
 matrix:
   include:
     - sudo: required
-      services: docker
-      env: RELEASE=trusty
+      services:
+        - docker
+      env:
+        - RELEASE=trusty
     - sudo: required
-      env: RELEASE=precise
+      env:
+        - RELEASE=precise
+    - language: c
+      os: osx
+      osx_image: xcode8.2
+      env:
+        - RELEASE=sierra
+    - language: c
+      os: osx
+      osx_image: xcode7.3
+      env:
+        - RELEASE=elcapitan
+    - language: c
+      os: osx
+      osx_image: xcode6.4
+      env:
+        - RELEASE=yosemite
 
 env:
   global:
-  - VERSION='3.7-dev'
-  - ALIAS=nightly
+    - VERSION='3.7-dev'
+    - ALIAS='nightly'
 
 install:
-- pushd /opt/pyenv/
-- sudo git checkout master
-- sudo git pull
-- popd
-- python -m pip install virtualenv
+- |
+  if [[ "$(uname)" == "Linux" ]] ; then
+    pushd /opt/pyenv/
+    sudo git checkout master
+    sudo git pull
+    popd
+  else
+    brew uninstall pyenv
+    brew install pyenv --HEAD
+  fi
+  if ! python -m pip >&/dev/null; then
+    wget https://bootstrap.pypa.io/get-pip.py
+    sudo python get-pip.py
+  fi
+- sudo -H python -m pip install virtualenv --upgrade
 
 before_script:
 - 'export INSTALL_DEST=${INSTALL_DEST:-/opt/python}'
-- 'export LSB_RELEASE=${LSB_RELEASE:-$(lsb_release -rs || echo ${$(sw_vers -productVersion)%*.*})}'
-- 'export OS_NAME=${OS_NAME:-$(lsb_release -is | tr "A-Z" "a-z" || echo "osx")}'
+- export LSB_RELEASE=$(lsb_release -rs 2>/dev/null || sw_vers -productVersion | sed 's/^\([0-9][0-9]*.[0-9][0-9]*\).*/\1/')
+- 'export OS_NAME=$((lsb_release -is 2>/dev/null || echo "osx") | tr [[:upper:]] [[:lower:]])'
 - 'export ARCH=${ARCH:-$(uname -m)}'
 - 'export PACKAGES=${PACKAGES:-pip nose pytest mock wheel}'
 - 'export CPYTHON_ONLY_PKGS="numpy"'
 - export PYTHON_CONFIGURE_OPTS="--with-wide-unicode --enable-shared --enable-ipv6 --enable-loadable-sqlite-extensions --with-computed-gotos $CONFIGURE_OPTS"
+
 script: ./bin/compile
 
 after_success: ./bin/archive
@@ -43,3 +72,4 @@ addons:
     - $LSB_RELEASE/
     target_paths:
     - /binaries/$OS_NAME/$LSB_RELEASE/$ARCH
+
diff --git a/bin/archive b/bin/archive
index 5d33458..b9a0743 100755
--- a/bin/archive
+++ b/bin/archive
@@ -53,7 +53,11 @@ for DEST in $DESTS ; do
 
   shopt -s nullglob
   for f in *.* ; do
-    sha256sum $f > ${f}.sha256sum.txt
+    if command -v sha256sum; then
+      sha256sum $f > ${f}.sha256sum.txt
+    else
+      shasum -a 256 $f > ${f}.sha256sum.txt
+    fi
   done
 
   popd &>/dev/null
diff --git a/bin/compile b/bin/compile
index 6a2836f..b429ffa 100755
--- a/bin/compile
+++ b/bin/compile
@@ -21,8 +21,14 @@ function install_numpy() {
 
 set -o xtrace
 
-sudo env PYTHON_BUILD_ROOT=/opt/pyenv/plugins/python-build \
-  /opt/pyenv/plugins/python-build/bin/python-build $VERSION $INSTALL_DEST/$VERSION
+if [[ "$(uname)" == "Linux" ]] ; then
+  PYENV_ROOT=/opt/pyenv
+else
+  PYENV_ROOT=/usr/local/opt/pyenv
+fi
+
+sudo env PYTHON_BUILD_ROOT=$PYENV_ROOT/plugins/python-build \
+  $PYENV_ROOT/plugins/python-build/bin/python-build $VERSION $INSTALL_DEST/$VERSION
 
 if [[ $ALIAS ]] ; then
   rm -f $INSTALL_DEST/$ALIAS