dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib when running on iPhone
ios, swift
Solution
I'm guessing your iPhone 4S is lower than iOS 6. We also did regression tests on iPhone 4S's on iOS 6 and 7 but they were all fine. Devices on iOS 5 and 5.1 had the same error as you have though.
Problem
Update 2: This is an old question involving the developer beta of iOS 8 and Xcode. The problem was that the Swift standard library wasn't included in the iPhone 4s iOS 8 beta. The issue has been resolved in the release. Update: I've been getting fed up with the errors and crashes that come along with beta software, so I decided to reset my phone to iOS 7.1.1 and now the error is gone... I have no idea what is going on, but I'm going to assume its a bug since iOS 8 is still in beta. I will file a bug report with Apple and hope it gets resolved with the next seed. As many other people before me, I am receiving the following error message when running a swift-based app on my iPhone (4S running iOS 8.0 beta 1): ``` dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib Referenced from: /private/var/mobile/Containers/Bundle/Application/ CDC7263B-9F18-4369-87CC-F36DB5163B99/TESTPROJECT.app/TESTPROJECT Reason: no suitable image found. Did find: /private/var/mobile/Containers/Bundle/Application/ CDC7263B-9F18-4369-87CC-F36DB5163B99/TESTPROJECT.app/Frameworks/ libswift_stdlib_core.dylib: mmap() error 1 at address=0x00206000, size=0x00128000 segment=__TEXT in Segment::map() mapping /private/var/mobile/Containers/Bundle/Application/ CDC7263B-9F18-4369-87CC-F36DB5163B99/TESTPROJECT.app/Frameworks/ libswift_stdlib_core.dylib ``` When running on the iOS simulator (iPhone 4S), I get the following (many times): ``` SetAppThreadPriority: setpriority failed with error 45 ``` - This is a new single view application project generated from the built-in templates with Xcode 6 beta, with none of my own code. (Also happens with an empty application) - I have already tried the solution found here (restarting Xcode) I can't seem to find any other way of moving/accessing the required swift library.