I am tying a cross compilation and for that I need to find where Xcode have placed the arm-gcc compiller.
It used to be in /Applications/Xcode.app/Contents/Develope
https://developer.apple.com/library/ios/documentation/DeveloperTools/Conceptual/WhatsNewXcode/Articles/xcode_5_0.html
Compiler
**LLVM-GCC is not included in Xcode 5**