发现我的eclipse kelper ，没有setting下的工具链的设置，好奇怪啊。
CDT的官方网站啊
https://www.eclipse.org/cdt/downloads.php
http://max.berger.name/howto/cdt/ar01s04.jsp#installingcdt
http://download.eclipse.org/tools/cdt/releases/kepler
http://sourceforge.net/projects/mingw/?source=dlp
Installing: mingw-get pkginfo C Compiler C++ Compiler MSYS Basic System MinGW Developer Toolkit Using pre-packaged repository catalogues (20120426) Destination
