Add build_ios task in travis, and move the installing of glide into check_style.sh.

.travis.yml

@@ -5,6 +5,7 @@ cache:
     - $HOME/.cache/pip
     - $TRAVIS_BUILD_DIR/build/third_party
     - $TRAVIS_BUILD_DIR/build_android/third_party
+    - $TRAVIS_BUILD_DIR/build_ios/third_party
 sudo: required
 dist: trusty
 os:
@@ -13,6 +14,12 @@ env:
   - JOB=build_doc
   - JOB=check_style
   - JOB=build_android
+matrix:
+  include:
+    - env: JOB=build_ios
+      os: osx
+      osx_image: xcode8.3
+      compiler: clang
 addons:
   apt:
     packages:
@@ -39,10 +46,6 @@ before_install:
   # protobuf version.
   - pip install -r $TRAVIS_BUILD_DIR/python/requirements.txt
   - pip install wheel sphinx==1.5.6 recommonmark sphinx-rtd-theme==0.1.9 virtualenv pre-commit LinkChecker
-  - curl https://glide.sh/get | bash
-  - eval "$(GIMME_GO_VERSION=1.8.3 gimme)"
-  - go get -u github.com/alecthomas/gometalinter
-  - gometalinter --install
   - |
     function timeout() { perl -e 'alarm shift; exec @ARGV' "$@"; }
 script:

paddle/scripts/travis/build_ios.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+
+# Create the build directory for CMake.
+mkdir -p $TRAVIS_BUILD_DIR/build_ios
+cd $TRAVIS_BUILD_DIR/build_ios
+
+# Compile paddle binaries
+cmake -DCMAKE_SYSTEM_NAME=iOS \
+      -DIOS_PLATFORM=OS \
+      -DWITH_C_API=ON \
+      -DWITH_TESTING=OFF \
+      -DWITH_SWIG_PY=OFF \
+      -DWITH_STYLE_CHECK=OFF \
+      ..
+
+make -j `nproc`

paddle/scripts/travis/check_style.sh

@@ -8,6 +8,12 @@ function abort(){
 trap 'abort' 0
 set -e
 
+# install glide
+curl https://glide.sh/get | bash
+eval "$(GIMME_GO_VERSION=1.8.3 gimme)"
+go get -u github.com/alecthomas/gometalinter
+gometalinter --install
+
 cd $TRAVIS_BUILD_DIR
 export PATH=/usr/bin:$PATH
 pre-commit install