Re: Lua source does not build for iOS since recent XCode Update

[Roberto Ierusalimschy <roberto@...>]

> Between iOS, Android and UWP, it's a great excuse to throw standards
> like POSIX out of the window. The future is locked-down appliances
> on the consumer side. The last thing they want is to let you use
> system().

Just a reminder that 'system' is not POSIX; it is part of ISO C.
Because of that, it has official ways to do nothing, so one can remove
the functionality without removing the function from the library.

-- Roberto