custom titanium module not doing proper work with using xcode 4

i have created a iphone module later on. it's work on xcode 3 and titanium 1.6.2 but not proper work on xcode 4 and titanium 1.7.2 giving error that Tiproxy.h and TiModule.h开发者_如何学JAVA file not found pls solve this problem

i experiences something same. building the application with an older titanium sdk version (1.5.x) worked.