问如何在Xcode4.1中使用iAds

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WARNING: Falling back to active SDK directory at: /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk

GNU gdb 6.3.50-20050815 (Apple version gdb-1472) (Thu Aug  5 05:54:10 UTC 2010)
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This GDB was configured as "--host=i386-apple-darwin --target=arm-apple-darwin".tty    /dev/ttys000
Loading program into debugger…
Program loaded.
target remote-mobile /tmp/.XcodeGDBRemote-169-47
Switching to remote-macosx protocol
mem 0x1000 0x3fffffff cache
mem 0x40000000 0xffffffff none
mem 0x00000000 0x0fff none
run
Running…
[Switching to thread 11523]
[Switching to thread 11523]
sharedlibrary apply-load-rules all
continue
warning: UUID mismatch detected with the loaded library - on disk is:
/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.1.sdk
/System/Library/Frameworks/Foundation.framework/Foundation