mac下加速ndk代码编译速度

1. 安装brew

sudo su  
curl -L http://github.com/mxcl/homebrew/tarball/master | tar xz --strip 1 -C /usr/local

2. 安装ccache

brew install ccache

3.加入到环境变量PATH中去

echo "export PATH=\$PATH:/usr/local/Cellar/ccache/3.1.9/bin" >> ~/.bash_profile; 
source ~/.bash_profile

4.加环境变量

echo "export NDK_CCACHE=ccache" >> ~/.bash_profile
source ~/.bash_profile