add travis CI support

.travis.yml

@@ -0,0 +1,41 @@
+language: cpp
+
+compiler:
+  - gcc
+  - clang
+
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    - llvm-toolchain-precise
+    packages:
+    - gcc-5
+    - g++-5
+    - clang-3.8
+
+install:
+  - sudo apt-get update -q
+  - sudo apt-get install -y build-essential python3 wget ninja
+
+before_script:
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-5" CC="gcc-5"; fi
+  - if [ "$CXX" = "clang++" ]; then export CXX="clang++-3.7" CC="clang-3.7"; fi
+
+  # meson
+  - wget https://github.com/mesonbuild/meson/releases/download/0.30.0/meson_0.30.0.tar.gz
+  - tar -xvf meson_0.30.0.tar.gz
+  - cd meson-0.30.0
+  - sudo python3 setup.py install --prefix=/usr
+  - sudo ln -s /usr/bin/meson.py /usr/bin/meson
+  - cd ..
+
+script:
+  - mkdir build
+  - meson build
+  - cd build
+  - ninja
+  - ninja test
+
+notifications:
+  email: false