How to add libm3SysLibDebug.a in xcode 4.3.2

I want to run unity3d app in iphone. i had build source code from unity build setting but it only show splash screen. I also refer http://www.scio.de/en/blog-a-neues/scio-development-blog/entry/iphone-a-unity3d-integrating-3rd-party-static-libraries-in-unity3d-generated-xcode-projects#FirstSteps but i am not able to find libm3SysLibDebug.a from Add Other button of libraries to link with and new libraries in xcode. please let me know where i am missing... thanks in advance... please help me...