Interface Builder Cocoa Touch Tool: assertion failed

Xcode 7.2 Whenever I switch to the storyboard in my iOS app project, Xcode dumps 100s of the following (identical) messages into the console log: 7/21/16 11:53:53.659 AM Interface Builder Cocoa Touch Tool[68946]: assertion failed: 14F1605 13C75: libxpc.dylib + 27744

Compiling for 10.9 through 10.12

Hi,I’m currently trying to port our app to 10.12 using Xcode 8 beta 2. Our app here still supports Mac OS X 10.9, so I need to target that platform. I’ve been having trouble with compiling or running the app. The problems seems to stem from changes in the System libraries.I can compile with macOS

Re: Compiling for 10.9 through 10.12

On Thursday, July 21, 2016, Charles Francoise wrote: I’m trying to find a way to either build for 10.12 from 10.11, or build from 10.12 and run for lower versions. There are two relevant settings: the SDK and the "Deployment Target". There used to be multiple options

RE: Compiling for 10.9 through 10.12

Charles Francoise wrote: > I'll keep looking into it, but introducing POSIX standard syscalls without > protecting > backwards compatibility is going to cause quite some havoc in multi-platform > code, > and call for a lot of platform-specific fixes. With Xcode 7.3.1 onwards, you can use the