From 937f37e3878254c165e655f9bf5c0d6273c27f53 Mon Sep 17 00:00:00 2001
From: Cody Northrop <cnorthrop@google.com>
Date: Mon, 24 Apr 2017 09:28:10 -0600
Subject: [PATCH] build: Add Android to travis config

---
 .travis.yml                       | 23 ++++++++++++++--------
 scripts/travis/android_compile.sh |  6 ++++++
 scripts/travis/android_setup.sh   | 32 +++++++++++++++++++++++++++++++
 3 files changed, 53 insertions(+), 8 deletions(-)
 create mode 100644 scripts/travis/android_compile.sh
 create mode 100644 scripts/travis/android_setup.sh

diff --git a/.travis.yml b/.travis.yml
index 3aef70c4b..0b4910113 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,29 +17,36 @@ matrix:
     - os: linux
       dist: trusty
       sudo: false
-      env: CODE_BUILD=0 LINUX_BUILD=0 APPLE_BUILD=0 DOCS_BUILD=1
+      env: CODE_BUILD=0 LINUX_BUILD=0 APPLE_BUILD=0 DOCS_BUILD=1 ANDROID_BUILD=0
     - os: linux
       dist: trusty
       sudo: required
-      env: CODE_BUILD=1 LINUX_BUILD=1 APPLE_BUILD=0 DOCS_BUILD=0
+      env: CODE_BUILD=1 LINUX_BUILD=1 APPLE_BUILD=0 DOCS_BUILD=0 ANDROID_BUILD=0
       compiler: gcc
     - os: linux
       dist: trusty
       sudo: required
-      env: CODE_BUILD=1 LINUX_BUILD=1 APPLE_BUILD=0 DOCS_BUILD=0
+      env: CODE_BUILD=1 LINUX_BUILD=1 APPLE_BUILD=0 DOCS_BUILD=0 ANDROID_BUILD=0
+      compiler: clang
+    - os: linux
+      dist: trusty
+      sudo: required
+      env: CODE_BUILD=1 LINUX_BUILD=0 APPLE_BUILD=0 DOCS_BUILD=0 ANDROID_BUILD=1
       compiler: clang
     - os: osx
       osx_image: xcode8.2
-      env: CODE_BUILD=1 LINUX_BUILD=0 APPLE_BUILD=1 DOCS_BUILD=0
+      env: CODE_BUILD=1 LINUX_BUILD=0 APPLE_BUILD=1 DOCS_BUILD=0 ANDROID_BUILD=0
       compiler: clang
 
 # install dependencies
 install:
   - if [[ "$DOCS_BUILD" == "1" ]]; then . ./scripts/travis/docs_setup.sh ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]]; then . ./scripts/travis/linux_setup.sh ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CODE_BUILD" == "1" ]]; then . ./scripts/travis/osx_setup.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$LINUX_BUILD" == 1 ]]; then . ./scripts/travis/linux_setup.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$ANDROID_BUILD" == 1 ]]; then . ./scripts/travis/android_setup.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$APPLE_BUILD" == 1 ]]; then . ./scripts/travis/osx_setup.sh ; fi
 
 script:
   - if [[ "$DOCS_BUILD" == "1" ]]; then . ./scripts/travis/docs_compile.sh ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]]; then . ./scripts/travis/linux_compile.sh ; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CODE_BUILD" == "1" ]]; then . ./scripts/travis/osx_compile.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$LINUX_BUILD" == 1 ]]; then . ./scripts/travis/linux_compile.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$ANDROID_BUILD" == 1 ]]; then . ./scripts/travis/android_compile.sh ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ "$CODE_BUILD" == "1" ]] && [[ "$APPLE_BUILD" == 1 ]]; then . ./scripts/travis/osx_compile.sh ; fi
diff --git a/scripts/travis/android_compile.sh b/scripts/travis/android_compile.sh
new file mode 100644
index 000000000..237807958
--- /dev/null
+++ b/scripts/travis/android_compile.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+CORES=$(nproc) || echo 4
+mkdir -p build-android && cd build-android
+cmake -DBUILD_ANDROID=On -DANDROID_ABI=armeabi-v7a -DANDROID_NATIVE_API_LEVEL=23 ..
+make -j $CORES
diff --git a/scripts/travis/android_setup.sh b/scripts/travis/android_setup.sh
new file mode 100644
index 000000000..a884b8256
--- /dev/null
+++ b/scripts/travis/android_setup.sh
@@ -0,0 +1,32 @@
+#!/bin/sh
+set -ev
+
+sudo apt-get -qq update
+sudo apt-get install -y cmake
+
+export ARCH=`uname -m`
+
+# Pull known working tools toward the end of 2016
+wget http://dl.google.com/android/repository/android-ndk-r13b-linux-${ARCH}.zip
+wget https://dl.google.com/android/repository/tools_r25.2.5-linux.zip
+wget https://dl.google.com/android/repository/platform-tools_r25.0.3-linux.zip
+wget https://dl.google.com/android/repository/build-tools_r25.0.2-linux.zip
+unzip -u -q android-ndk-r13b-linux-${ARCH}.zip
+unzip -u -q tools_r25.2.5-linux.zip
+unzip -u -q platform-tools_r25.0.3-linux.zip
+unzip -u -q build-tools_r25.0.2-linux.zip
+
+# Munge the build-tools layout
+mkdir -p build-tools/25.0.2
+mv android-7.1.1/* build-tools/25.0.2/
+
+export ANDROID_HOME=`pwd`/tools
+export JAVA_HOME="/usr/lib/jvm/java-8-oracle"
+export ANDROID_NDK=`pwd`/android-ndk-r13b
+export PATH=`pwd`/android-ndk-r13b:$PATH
+export PATH=`pwd`/tools:$PATH
+export PATH=`pwd`/platform-tools:$PATH
+export PATH=`pwd`/build-tools/25.0.2:$PATH
+
+# Answer "yes" to any license acceptance requests
+(while sleep 3; do echo "y"; done) | android update sdk --no-ui -s -t android-23