Install Command Line Tools
Xcode: Preferences->Downloads install
Command Line Tools
Note: I installed Xcode 4.5
in /Applications/Xcode
Download node.js src code
git clone https://github.com/joyent/node.git
cd node
git checkout v0.8.2
export CC=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang
export CXX=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++
./configure && make && sudo make install
原文:http://www.cnblogs.com/aprilxia/p/3598371.html