diff --git a/.travis.yml b/.travis.yml
index 1939d97..23bed43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-# Copyright 2016-2018 Peter Dimov
+# Copyright 2016-2019 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
 # (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
 
@@ -12,6 +12,40 @@ branches:
     - develop
     - /feature\/.*/
 
+env:
+  matrix:
+    - DEFAULT_JOB=true
+
+matrix:
+
+  exclude:
+    - env: DEFAULT_JOB=true
+
+  include:
+    - os: linux
+      dist: trusty
+      compiler: g++
+      env: COMMENT=trusty-g++
+
+    - os: linux
+      dist: trusty
+      compiler: clang++
+      env: COMMENT=trusty-clang++
+
+    - os: linux
+      dist: xenial
+      compiler: g++
+      env: COMMENT=xenial-g++
+
+    - os: linux
+      dist: xenial
+      compiler: clang++
+      env: COMMENT=xenial-clang++
+
+    - os: osx
+      compiler: clang++
+      env: COMMENT=macos-clang++
+
 script:
   - mkdir __build__
   - cd __build__
diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..1b241f7
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,26 @@
+# Copyright 2016-2019 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
+
+version: 1.0.{build}-{branch}
+
+shallow_clone: true
+
+branches:
+  only:
+    - master
+    - develop
+    - /feature\/.*/
+
+image:
+  - Visual Studio 2013
+  - Visual Studio 2015
+  - Visual Studio 2017
+
+build: off
+
+test_script:
+  - mkdir __build__
+  - cd __build__
+  - cmake ..
+  - cmake --build . --target check