Clever Geek Handbook

Apple Mac BlueTooth Low Power Issues with Precompiled Headers and Later Xcode

I downloaded the BlueTooth Low Energy (BLE) heart rate code example (see http://developer.apple.com/library/mac/#samplecode/HeartRateMonitor/Listings/ReadMe_txt.html if interested) and built it with XCode 4.6 on Mtn Lion MacBook Air. I am getting the following error: Docs / HeartRateMonitor / HeartRateMonitor / HeartRateMonitor -Prefix.pch: 6:13: fatal error: 'Cocoa / Cocoa.h' file not found #import

I've tried various things like getting rid of the precompiled header file, changing some settings, but nothing worked. I'm new to the Apple world; I've done limited iOS stuff with Xcode but no Mac programming. I did some research and tried to follow an example here: Compile, build or archive issues with Xcode 4 (and dependencies)

Is it possible to remove Prefix.pch file from Xcode project?

Note that the original example states that this is for XCode 4.2 or newer.

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I had this problem for the same exact project. Download the command line tools package from apple dev site and do your best.



https://developer.apple.com/downloads/index.action?name=for%20Xcode%20-

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You need to add Cocoa.framework to your project - that's where Cocoa / Cocoa.h is found. For more information on how to do this with a specific version of Xcode, see the Xcode documentation. (BTW, once you've done that, you won't need to delete the .pch file.)



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