Merge pull request #2845 from Xreki/travis_build_android

Add build_android task on Travis CI.

.travis.yml

@@ -4,6 +4,7 @@ cache:
     - $HOME/.ccache
     - $HOME/.cache/pip
     - $TRAVIS_BUILD_DIR/build/third_party
+    - $TRAVIS_BUILD_DIR/build_android/third_party
 sudo: required
 dist: trusty
 os:
@@ -11,6 +12,7 @@ os:
 env:
   - JOB=build_doc
   - JOB=check_style
+  - JOB=build_android
 addons:
   apt:
     packages:

paddle/scripts/travis/build_android.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+ANDROID_STANDALONE_TOOLCHAIN=$HOME/android-toolchain-gcc
+TMP_DIR=$HOME/$JOB/tmp
+mkdir -p $TMP_DIR
+cd $TMP_DIR
+wget -q https://dl.google.com/android/repository/android-ndk-r14b-linux-x86_64.zip
+unzip -q android-ndk-r14b-linux-x86_64.zip
+chmod +x $TMP_DIR/android-ndk-r14b/build/tools/make-standalone-toolchain.sh
+$TMP_DIR/android-ndk-r14b/build/tools/make-standalone-toolchain.sh --force --arch=arm --platform=android-21 --install-dir=$ANDROID_STANDALONE_TOOLCHAIN
+cd $HOME
+rm -rf $TMP_DIR
+
+# Create the build directory for CMake.
+mkdir -p $TRAVIS_BUILD_DIR/build_android
+cd $TRAVIS_BUILD_DIR/build_android
+
+# Compile paddle binaries
+cmake -DCMAKE_SYSTEM_NAME=Android \
+      -DANDROID_STANDALONE_TOOLCHAIN=$ANDROID_STANDALONE_TOOLCHAIN \
+      -DANDROID_ABI=armeabi-v7a \
+      -DANDROID_ARM_NEON=ON \
+      -DANDROID_ARM_MODE=ON \
+      -DWITH_C_API=ON \
+      -DWITH_SWIG_PY=OFF \
+      -DWITH_STYLE_CHECK=OFF \
+      ..
+
+make -j `nproc`