Build PhantomJS from Source

Getting the Code

To obtain the code using Git from the official repository github.com/ariya/phantomjs:

git clone git://github.com/ariya/phantomjs.git
cd phantomjs
git checkout 2.1.1
git submodule init
git submodule update
Compile and Link

From the code checkout:

python build.py

在ARM下编译遇到的问题如下：

 解决方法：

打开 src/qt/qtbase/src/gui/Makefile

把-O3改成-O2即可