xrg build fails after OS X upgrade to 10.11.2 (15C50) and Xcode Version 7.2

[Ryan Schmidt]

On Dec 9, 2015, at 13:49, Manfred Antar <mantar at pozo.comcastbiz.net> wrote:
> 
> When trying to build xrg on OS X 10.11.2 I get this:
> 
> (/)747}port -v build xrg
> --->  Building xrg
> Build settings from command line:
>    ARCHS = x86_64
>    CLANG_CXX_LIBRARY = libc++
>    GCC_VERSION = com.apple.compilers.llvm.clang.1_0
>    MACOSX_DEPLOYMENT_TARGET = 10.11
>    OBJROOT = build/
>    SDKROOT = 
>    SYMROOT = build/
> 
> Could not find service "com.apple.CoreSimulator.CoreSimulatorService" in domain for uid: 502
> 2015-12-09 13:39:45.231 xcodebuild[8831:128591] launchctl print returned an error code: 28928
> 2015-12-09 13:39:45.231 xcodebuild[8831:128591] Failed to locate a valid instance of CoreSimulatorService in the bootstrap.  Adding it now.
> 

Sounds like a problem described on the ElCapitanProblems or ProblemHotlist wiki pages. Open Xcode.app once, then close it.