“Initializer is not a compile time constant” error works in .mm?

Question

I\'m puzzled by a situation I\'m observing and would love some insight. First, I\'m using Xcode 5, with LLVM 5 compiler options set to defaults.

I have a line in a .

Answer 1

As you mentioned, in C and Objective-C static variables can only be initialised with compile-time constants. In C++ (and therefore Objective-C++) on the other hand, static variables are assigned at run time, before main runs.

For more details have a look at Eli Bendersky's Non-constant global initialization in C and C++