Bazel build on linux/osx (#526)

.travis.sh

@@ -1,6 +1,19 @@
 #!/bin/bash
 
 case "$1" in
+    "before_install")
+	case "${TRAVIS_OS_NAME}" in
+	    "linux")
+		case "${BUILD_SYSTEM}" in
+		    "bazel")
+			wget https://github.com/bazelbuild/bazel/releases/download/0.4.5/bazel_0.4.5-linux-x86_64.deb
+			echo "b494d0a413e4703b6cd5312403bea4d92246d6425b3be68c9bfbeb8cc4db8a55  bazel_0.4.5-linux-x86_64.deb" | sha256sum -c --strict
+			sudo dpkg -i bazel_0.4.5-linux-x86_64.deb
+			;;
+		esac
+		;;
+	esac
+	;;
     "install")
 	case "${TRAVIS_OS_NAME}" in
 	    "osx")
@@ -19,6 +32,9 @@ case "$1" in
 			get_python_environment $INSTALL_TYPE $PYTHON_VERSION venv
 			pip install --upgrade wheel
 			;;
+		    "bazel")
+			brew install bazel
+			;;
 		esac
 		;;
 	    "linux")
@@ -52,6 +68,9 @@ case "$1" in
 		cd java/org/brotli
 		mvn install && cd integration && mvn verify
 		;;
+	    "bazel")
+		bazel test ...:all
+		;;
 	esac
 	;;
     "after_success")

.travis.yml

@@ -227,6 +227,21 @@ matrix:
       env: BUILD_SYSTEM=maven
       language: java
 
+    - os: linux
+      dist: trusty
+      sudo: required
+      env: BUILD_SYSTEM=bazel
+      addons:
+        apt:
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - wget
+            - pkg-config
+
+    - os: osx
+      env: BUILD_SYSTEM=bazel
+
 before_install:
 ###
 ## If we use the matrix to set CC/CXX Travis, overwrites the values,
@@ -235,6 +250,7 @@ before_install:
 ###
 - if [ -n "${C_COMPILER}" ]; then export CC="${C_COMPILER}"; fi
 - if [ -n "${CXX_COMPILER}" ]; then export CXX="${CXX_COMPILER}"; fi
+- ./.travis.sh before_install
 install:
 - ./.travis.sh install
 script: